Lok Sabha Question No. 2471 (UNSTARRED), answered on 2021-12-13
Subject: Air Purification Equipment
Ministry: ENVIRONMENT,  FORESTS AND CLIMATE CHANGE
Asked by: Pratima Mondal

## GOVERNMENT OF INDIA MINISTRY OF ENVIRONMENT, FOREST AND CLIMATE CHANGE

## LOK SABHA UNSTARRED QUESTION No. 2471

TO BE ANSWERED ON13.12.2021

## Air Purification Equipment

## 2471. SHRIMATI PRATIMA MONDAL:

Will the Minister of ENVIRONMENT, FOREST AND CLIMATE CHANGE be pleased to state:

- (a) the steps taken by the Government to harness technology for air purification;
- (b) whether the air purifier equipment in India have been calibrated to Indian air standards and if so, the details thereof; and
- (c) the details of air quality index recorded in the States in the past three years?

## ANSWER MINISTER OF STATE IN THE MINISTRY OF ENVIRONMENT, FOREST AND CLIMATE CHANGE (SHRI ASHWINI KUMAR CHOUBEY)

## (a) and (b)

Major air purification technologies for mitigation of air pollution under examination include:

-  Deployment and Evaluation of Air Purification Units for Traffic Junction Pollution Abatement in Delhi,
-  Control of Dust Emissions using dust Suppressant,
-  Demonstrate the effectiveness of Air Pollution Mitigation by Pariyayantra Filtration,
-  Multiple antenna high density ion generators for pollution control.

The  Hon'ble  Supreme  Court  vide  its  order  dated  13.01.2020  in  Writ  Petition  (Civil) 13029/1985 had directed for installation of two smog towers. In compliance to the orders of the Hon'ble Supreme Court, two experimental pilot projects of smog tower are operational. The smog tower is intended for localized reduction of PM2.5 and PM10.

In  addition  to  above,  a  Technology  challenge  for  Identifying  and  Promoting  Solutions  for Mitigating  Ambient  Air  Pollution  have  been  initiated  by  the  Govt.  for  inviting  innovative technological solutions for control / abatement of urban ambient air pollution.

No ambient air purifier equipment has been calibrated to Indian air standards.

(c)

The details of Air Quality Index (AQI)calculated based on the measurement of pollutants in major citiesin the States and UT in the past three yearsis given as Annexure - I.

*****

ANNEXURE  REFERRED  TO  IN  REPLY  TO  (c)  OF  THE  LOK  SABHA  UN-STARRED QUESTION NO. 2471 DUE FOR REPLY ON 13.12.2021 REGARDING 'AIR PURIFICATION EQUIPMENT' BY SHRIMATI PRATIMA MONDAL, HON'BLE MEMBER OF

## PARLIAMENT

## AQI status of major cities in India(Year 2018-2020)

| Amaravati (Maharashtra)   | Amaravati (Maharashtra)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|---------------------------|---------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category              | Range                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                           |                           | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                      | (0-50)                    | 52                                 | 100                                | 191                                | 286                                | 278                                | 347                                |
| Satisfactory              | (51-100)                  | 150                                | 111                                | 116                                | 286                                | 278                                | 347                                |
| Moderate                  | (101-200)                 | 84                                 | 67                                 | 40                                 | 286                                | 278                                | 347                                |
| Poor                      | (201-300)                 | 16                                 | 21                                 | 10                                 | 16                                 | 21                                 | 11                                 |
| Very Poor                 | (301-400)                 | 0                                  | 0                                  | 1                                  | 16                                 | 21                                 | 11                                 |
| Severe                    | (>401)                    | 0                                  | 0                                  | 0                                  | 16                                 | 21                                 | 11                                 |
| Total Number of Days      | Total Number of Days      | 302                                | 299                                | 358                                | 302                                | 299                                | 358                                |

| Visakhapatnam (Andhra Pradesh)   | Visakhapatnam (Andhra Pradesh)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|----------------------------------|----------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category                     | Range                            | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                                  |                                  | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                             | (0-50)                           | 13                                 | 11                                 | 52                                 | 268                                | 189                                | 309                                |
| Satisfactory                     | (51-100)                         | 127                                | 97                                 | 177                                | 268                                | 189                                | 309                                |
| Moderate                         | (101-200)                        | 128                                | 81                                 | 80                                 | 268                                | 189                                | 309                                |
| Poor                             | (201-300)                        | 34                                 | 21                                 | 19                                 | 35                                 | 25                                 | 23                                 |
| Very Poor                        | (301-400)                        | 1                                  | 4                                  | 4                                  | 35                                 | 25                                 | 23                                 |
| Severe                           | (>401)                           | 0                                  | 0                                  | 0                                  | 35                                 | 25                                 | 23                                 |
| Total Number of Days             | Total Number of Days             | 303                                | 214                                | 332                                | 303                                | 214                                | 332                                |

| Guwahati (Assam) Comparative AQI Status 2019-2020   | Guwahati (Assam) Comparative AQI Status 2019-2020   | Guwahati (Assam) Comparative AQI Status 2019-2020   | Guwahati (Assam) Comparative AQI Status 2019-2020   | Guwahati (Assam) Comparative AQI Status 2019-2020   | Guwahati (Assam) Comparative AQI Status 2019-2020   |
|-----------------------------------------------------|-----------------------------------------------------|-----------------------------------------------------|-----------------------------------------------------|-----------------------------------------------------|-----------------------------------------------------|
| AQI Category                                        | Range                                               | Number of days                                      | Number of days                                      | Number of days                                      | Number of days                                      |
|                                                     |                                                     | 2019                                                | 2020                                                | 2019                                                | 2020                                                |
| Good                                                | (0-50)                                              | 81                                                  | 138                                                 |                                                     |                                                     |
| Satisfactory                                        | (51-100)                                            | 89                                                  | 60                                                  | 250                                                 | 273                                                 |
| Moderate                                            | (101-200)                                           | 80                                                  | 75                                                  |                                                     |                                                     |
| Poor                                                | (201-300)                                           | 42                                                  | 73                                                  | 46                                                  | 86                                                  |
| Very Poor                                           | (301-400)                                           | 3                                                   | 13                                                  |                                                     |                                                     |
| Severe                                              | (>401)                                              | 1                                                   | 0                                                   |                                                     |                                                     |
| Total Number of Days                                | Total Number of Days                                | 296                                                 | 359                                                 | 296                                                 | 359                                                 |

| Patna (Bihar) Comparative AQI Status 2018-2020   | Patna (Bihar) Comparative AQI Status 2018-2020   | Patna (Bihar) Comparative AQI Status 2018-2020   | Patna (Bihar) Comparative AQI Status 2018-2020   | Patna (Bihar) Comparative AQI Status 2018-2020   | Patna (Bihar) Comparative AQI Status 2018-2020   | Patna (Bihar) Comparative AQI Status 2018-2020   | Patna (Bihar) Comparative AQI Status 2018-2020   |
|--------------------------------------------------|--------------------------------------------------|--------------------------------------------------|--------------------------------------------------|--------------------------------------------------|--------------------------------------------------|--------------------------------------------------|--------------------------------------------------|
| AQI Category                                     | Range                                            | Number of days                                   | Number of days                                   | Number of days                                   | Number of days                                   | Number of days                                   | Number of days                                   |
|                                                  |                                                  | 2018                                             | 2019                                             | 2020                                             | 2018                                             | 2019                                             | 2020                                             |
| Good                                             | (0-50)                                           | 0                                                | 0                                                | 47                                               | 157                                              | 168                                              | 271                                              |
| Satisfactory                                     | (51-100)                                         | 56                                               | 92                                               | 107                                              |                                                  |                                                  |                                                  |
| Moderate                                         | (101-200)                                        | 101                                              | 76                                               | 117                                              |                                                  |                                                  |                                                  |

| Poor                 | (201-300)   |   80 |   72 |   63 | 165   | 157   | 95   |
|----------------------|-------------|------|------|------|-------|-------|------|
| Very Poor            | (301-400)   |   69 |   56 |   31 |       |       |      |
| Severe               | (>401)      |   16 |   29 |    1 |       |       |      |
| Total Number of Days |             |  322 |  325 |  366 | 322   | 325   | 366  |

| Chandigarh (Punjab)   | Chandigarh (Punjab)   | Comparative AQI Status 2019-2020   | Comparative AQI Status 2019-2020   | Comparative AQI Status 2019-2020   | Comparative AQI Status 2019-2020   |
|-----------------------|-----------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category          | Range                 | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                       |                       | 2019                               | 2020                               | 2019                               | 2020                               |
| Good                  | (0-50)                | 2                                  | 121                                |                                    |                                    |
| Satisfactory          | (51-100)              | 37                                 | 149                                | 80                                 | 361                                |
| Moderate              | (101-200)             | 41                                 | 91                                 |                                    |                                    |
| Poor                  | (201-300)             | 22                                 | 3                                  |                                    |                                    |
| Very Poor             | (301-400)             | 1                                  | 0                                  | 23                                 | 3                                  |
| Severe                | (>401)                | 0                                  | 0                                  |                                    |                                    |
| Total Number of Days  | Total Number of Days  | 103                                | 364                                | 103                                | 364                                |

| Delhi Comparative AQI Status 2018-2020   | Delhi Comparative AQI Status 2018-2020   | Delhi Comparative AQI Status 2018-2020   | Delhi Comparative AQI Status 2018-2020   | Delhi Comparative AQI Status 2018-2020   | Delhi Comparative AQI Status 2018-2020   | Delhi Comparative AQI Status 2018-2020   | Delhi Comparative AQI Status 2018-2020   |
|------------------------------------------|------------------------------------------|------------------------------------------|------------------------------------------|------------------------------------------|------------------------------------------|------------------------------------------|------------------------------------------|
| AQI Category                             | Range                                    | Number of days                           | Number of days                           | Number of days                           | Number of days                           | Number of days                           | Number of days                           |
|                                          |                                          | 2018                                     | 2019                                     | 2020                                     | 2018                                     | 2019                                     | 2020                                     |
| Good                                     | (0-50)                                   | 0                                        | 2                                        | 5                                        |                                          |                                          |                                          |
| Satisfactory                             | (51-100)                                 | 53                                       | 59                                       | 95                                       | 159                                      | 182                                      | 227                                      |
| Moderate                                 | (101-200)                                | 106                                      | 121                                      | 127                                      |                                          |                                          |                                          |
| Poor                                     | (201-300)                                | 113                                      | 103                                      | 75                                       |                                          |                                          |                                          |
| Very Poor                                | (301-400)                                | 73                                       | 56                                       | 49                                       | 206                                      | 183                                      | 139                                      |
| Severe                                   | (>401)                                   | 20                                       | 24                                       | 15                                       |                                          |                                          |                                          |
| Total Number of Days                     | Total Number of Days                     | 365                                      | 365                                      | 366                                      | 365                                      | 365                                      | 366                                      |

| Ahmedabad (Gujarat)   | Ahmedabad (Gujarat)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|-----------------------|-----------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category          | Range                 | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                       |                       | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                  | (0-50)                | 0                                  | 0                                  | 7                                  | 252                                | 277                                | 331                                |
| Satisfactory          | (51-100)              | 85                                 | 56                                 | 155                                | 252                                | 277                                | 331                                |
| Moderate              | (101-200)             | 167                                | 221                                | 169                                | 252                                | 277                                | 331                                |
| Poor                  | (201-300)             | 82                                 | 57                                 | 15                                 | 252                                | 277                                | 331                                |
| Very Poor             | (301-400)             | 11                                 | 1                                  | 0                                  | 93                                 | 58                                 | 15                                 |
| Severe                | (>401)                | 0                                  | 0                                  | 0                                  | 93                                 | 58                                 | 15                                 |
| Total Number of Days  | Total Number of Days  | 345                                | 335                                | 346                                | 345                                | 335                                | 346                                |

| Faridabad (Haryana)   | Faridabad (Haryana)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|-----------------------|-----------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category          | Range                 | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                       |                       | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                  | (0-50)                | 3                                  | 37                                 | 1                                  | 155                                | 186                                | 219                                |
| Satisfactory          | (51-100)              | 46                                 | 46                                 | 80                                 | 155                                | 186                                | 219                                |
| Moderate              | (101-200)             | 106                                | 103                                | 138                                | 155                                | 186                                | 219                                |
| Poor                  | (201-300)             | 88                                 | 70                                 | 80                                 | 155                                | 186                                | 219                                |

| Very Poor            |   74 |   35 |   45 | 183   | 128   | 139   |
|----------------------|------|------|------|-------|-------|-------|
| Severe               |   21 |   23 |   14 |       |       |       |
| Total Number of Days |  338 |  314 |  358 | 338   | 314   | 358   |

| Gurugram (Haryana)   | Gurugram (Haryana)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|----------------------|----------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category         | Range                | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                      |                      | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                 | (0-50)               | 5                                  | 28                                 | 12                                 | 126                                | 211                                | 259                                |
| Satisfactory         | (51-100)             | 30                                 | 69                                 | 87                                 | 126                                | 211                                | 259                                |
| Moderate             | (101-200)            | 91                                 | 114                                | 160                                | 126                                | 211                                | 259                                |
| Poor                 | (201-300)            | 117                                | 89                                 | 69                                 | 126                                | 211                                | 259                                |
| Very Poor            | (301-400)            | 73                                 | 41                                 | 29                                 | 196                                | 138                                | 107                                |
| Severe               | (>401)               | 6                                  | 8                                  | 9                                  | 196                                | 138                                | 107                                |
| Total Number of Days | Total Number of Days | 322                                | 349                                | 366                                | 322                                | 349                                | 366                                |

| Jorapokhar (Jharkhand)   | Jorapokhar (Jharkhand)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|--------------------------|--------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category             | Range                    | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                          |                          | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                     | (0-50)                   | 3                                  | 5                                  | 4                                  | 115                                | 239                                | 225                                |
| Satisfactory             | (51-100)                 | 28                                 | 115                                | 94                                 | 115                                | 239                                | 225                                |
| Moderate                 | (101-200)                | 84                                 | 119                                | 127                                | 115                                | 239                                | 225                                |
| Poor                     | (201-300)                | 45                                 | 35                                 | 20                                 | 69                                 | 42                                 | 20                                 |
| Very Poor                | (301-400)                | 20                                 | 5                                  | 0                                  | 69                                 | 42                                 | 20                                 |
| Severe                   | (>401)                   | 4                                  | 2                                  | 0                                  | 69                                 | 42                                 | 20                                 |
| Total Number of Days     | Total Number of Days     | 184                                | 281                                | 245                                | 184                                | 281                                | 245                                |

| Bengaluru (Karnataka)   | Bengaluru (Karnataka)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|-------------------------|-------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category            | Range                   | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                         |                         | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                    | (0-50)                  | 34                                 | 49                                 | 116                                | 364                                | 365                                | 366                                |
| Satisfactory            | (51-100)                | 264                                | 207                                | 216                                | 364                                | 365                                | 366                                |
| Moderate                | (101-200)               | 66                                 | 109                                | 34                                 | 364                                | 365                                | 366                                |
| Poor                    | (201-300)               | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  |
| Very Poor               | (301-400)               | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  |
| Severe                  | (>401)                  | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  |
| Total Number of Days    | Total Number of Days    | 364                                | 365                                | 366                                | 364                                | 365                                | 366                                |

| Thiruvananthapuram (Kerala)   | Thiruvananthapuram (Kerala)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|-------------------------------|-------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category                  | Range                         | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                               |                               | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                          | (0-50)                        | 99                                 | 111                                | 166                                | 346                                | 324                                | 364                                |
| Satisfactory                  | (51-100)                      | 186                                | 179                                | 190                                | 346                                | 324                                | 364                                |
| Moderate                      | (101-200)                     | 61                                 | 34                                 | 8                                  | 346                                | 324                                | 364                                |
| Poor                          | (201-300)                     | 2                                  | 0                                  | 0                                  | 346                                | 324                                | 364                                |

| Very Poor            |   0 |   0 |   0 | 2   | 0   | 0   |
|----------------------|-----|-----|-----|-----|-----|-----|
| Severe               |   0 |   0 |   0 |     |     |     |
| Total Number of Days | 348 | 324 | 364 | 348 | 324 | 364 |

| Bhopal (Madhya Pradesh)   | Bhopal (Madhya Pradesh)   | Comparative AQI Status 2019-2020   | Comparative AQI Status 2019-2020   | Comparative AQI Status 2019-2020   | Comparative AQI Status 2019-2020   |
|---------------------------|---------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category              | Range                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                           |                           | 2019                               | 2020                               | 2019                               | 2020                               |
| Good                      | (0-50)                    | 6                                  | 49                                 |                                    |                                    |
| Satisfactory              | (51-100)                  | 13                                 | 105                                | 65                                 | 324                                |
| Moderate                  | (101-200)                 | 46                                 | 170                                |                                    |                                    |
| Poor                      | (201-300)                 | 33                                 | 16                                 |                                    |                                    |
| Very Poor                 | (301-400)                 | 0                                  | 3                                  | 33                                 | 19                                 |
| Severe                    | (>401)                    | 0                                  | 0                                  |                                    |                                    |
| Total Number of Days      | Total Number of Days      | 98                                 | 343                                | 98                                 | 343                                |

| Shillong (Meghalaya) Comparative AQI Status 2019-2020   | Shillong (Meghalaya) Comparative AQI Status 2019-2020   | Shillong (Meghalaya) Comparative AQI Status 2019-2020   | Shillong (Meghalaya) Comparative AQI Status 2019-2020   | Shillong (Meghalaya) Comparative AQI Status 2019-2020   | Shillong (Meghalaya) Comparative AQI Status 2019-2020   |
|---------------------------------------------------------|---------------------------------------------------------|---------------------------------------------------------|---------------------------------------------------------|---------------------------------------------------------|---------------------------------------------------------|
| AQI Category                                            | Range                                                   | Number of days                                          | Number of days                                          | Number of days                                          | Number of days                                          |
|                                                         |                                                         | 2019                                                    | 2020                                                    | 2019                                                    | 2020                                                    |
| Good                                                    | (0-50)                                                  | 34                                                      | 192                                                     |                                                         |                                                         |
| Satisfactory                                            | (51-100)                                                | 5                                                       | 51                                                      | 39                                                      | 261                                                     |
| Moderate                                                | (101-200)                                               | 0                                                       | 18                                                      |                                                         |                                                         |
| Poor                                                    | (201-300)                                               | 0                                                       | 0                                                       |                                                         |                                                         |
| Very Poor                                               | (301-400)                                               | 0                                                       | 0                                                       | 0                                                       | 0                                                       |
| Severe                                                  | (>401)                                                  | 0                                                       | 0                                                       |                                                         |                                                         |
| Total Number of Days                                    | Total Number of Days                                    | 39                                                      | 261                                                     | 39                                                      | 261                                                     |

| Aizawl (Mizoram) AQI Status 2020   | Aizawl (Mizoram) AQI Status 2020   | Aizawl (Mizoram) AQI Status 2020   | Aizawl (Mizoram) AQI Status 2020   |
|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category                       | Range                              | Number of days                     | Number of days                     |
|                                    |                                    | 2020                               | 2020                               |
| Good                               | (0-50)                             | 162                                |                                    |
| Satisfactory                       | (51-100)                           | 24                                 | 190                                |
| Moderate                           | (101-200)                          | 4                                  |                                    |
| Poor                               | (201-300)                          | 0                                  |                                    |
| Very Poor                          | (301-400)                          | 0                                  | 0                                  |
| Severe                             | (>401)                             | 0                                  |                                    |
| Total Number of Days               |                                    | 190                                | 190                                |

| Kohima (Nagaland) AQI Status 2020   | Kohima (Nagaland) AQI Status 2020   | Kohima (Nagaland) AQI Status 2020   | Kohima (Nagaland) AQI Status 2020   |
|-------------------------------------|-------------------------------------|-------------------------------------|-------------------------------------|
| AQI Category                        | Range                               | Number of days                      | Number of days                      |
|                                     |                                     | 2020                                | 2020                                |
| Good                                | (0-50)                              | 34                                  |                                     |
| Satisfactory                        | (51-100)                            | 65                                  | 109                                 |
| Moderate                            | (101-200)                           | 10                                  |                                     |

| Poor             | (201-300)   | 0     |     |
|------------------|-------------|-------|-----|
| Very Poor        | (301-400)   | 0     |   0 |
| Severe Number of | (>401)      | 0 109 | 109 |

| Brajrajnagar (Orissa)   | Brajrajnagar (Orissa)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|-------------------------|-------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category            | Range                   | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                         |                         | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                    | (0-50)                  | 12                                 | 1                                  | 37                                 | 181                                | 212                                | 203                                |
| Satisfactory            | (51-100)                | 34                                 | 92                                 | 46                                 | 181                                | 212                                | 203                                |
| Moderate                | (101-200)               | 135                                | 119                                | 120                                | 181                                | 212                                | 203                                |
| Poor                    | (201-300)               | 38                                 | 49                                 | 25                                 | 45                                 | 52                                 | 25                                 |
| Very Poor               | (301-400)               | 7                                  | 3                                  | 0                                  | 45                                 | 52                                 | 25                                 |
| Severe                  | (>401)                  | 0                                  | 0                                  | 0                                  | 45                                 | 52                                 | 25                                 |
| Total Number of Days    | Total Number of Days    | 226                                | 264                                | 228                                | 226                                | 264                                | 228                                |

| Amritsar (Punjab)    | Amritsar (Punjab)    | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|----------------------|----------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category         | Range                | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                      |                      | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                 | (0-50)               | 26                                 | 41                                 | 49                                 | 272                                | 313                                | 306                                |
| Satisfactory         | (51-100)             | 81                                 | 163                                | 148                                | 272                                | 313                                | 306                                |
| Moderate             | (101-200)            | 165                                | 109                                | 109                                | 272                                | 313                                | 306                                |
| Poor                 | (201-300)            | 14                                 | 25                                 | 25                                 | 19                                 | 29                                 | 32                                 |
| Very Poor            | (301-400)            | 2                                  | 4                                  | 7                                  | 19                                 | 29                                 | 32                                 |
| Severe               | (>401)               | 3                                  | 0                                  | 0                                  | 19                                 | 29                                 | 32                                 |
| Total Number of Days | Total Number of Days | 291                                | 342                                | 338                                | 291                                | 342                                | 338                                |

| Jaipur (Rajasthan)   | Jaipur (Rajasthan)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|----------------------|----------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category         | Range                | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                      |                      | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                 | (0-50)               | 7                                  | 13                                 | 26                                 |                                    |                                    |                                    |
| Satisfactory         | (51-100)             | 67                                 | 149                                | 173                                | 330                                | 346                                | 353                                |
| Moderate             | (101-200)            | 256                                | 184                                | 154                                |                                    |                                    |                                    |
| Poor                 | (201-300)            | 31                                 | 18                                 | 11                                 |                                    |                                    |                                    |
| Very Poor            | (301-400)            | 3                                  | 1                                  | 1                                  | 34                                 | 19                                 | 12                                 |
| Severe               | (>401)               | 0                                  | 0                                  | 0                                  |                                    |                                    |                                    |
| Total Number of Days | Total Number of Days | 364                                | 365                                | 365                                | 364                                | 365                                | 365                                |

| Chennai (Tamilnadu)   | Chennai (Tamilnadu)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|-----------------------|-----------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category          | Range                 | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                       |                       | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                  | (0-50)                | 15                                 | 43                                 | 60                                 |                                    |                                    |                                    |
| Satisfactory          | (51-100)              | 196                                | 230                                | 275                                | 353                                | 352                                | 365                                |

| Moderate             | (101-200)   |   142 |   79 |   30 |     |     |     |
|----------------------|-------------|-------|------|------|-----|-----|-----|
| Poor                 | (201-300)   |     8 |   12 |    0 |     |     |     |
| Very Poor            | (301-400)   |     0 |    0 |    0 | 8   | 12  | 0   |
| Severe               | (>401)      |     0 |    0 |    0 |     |     |     |
| Total Number of Days |             |   361 |  364 |  365 | 361 | 364 | 365 |

| Hyderabad (Telengana)   | Hyderabad (Telengana)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|-------------------------|-------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category            | Range                   | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                         |                         | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                    | (0-50)                  | 38                                 | 76                                 | 113                                | 364                                | 365                                | 366                                |
| Satisfactory            | (51-100)                | 156                                | 135                                | 158                                | 364                                | 365                                | 366                                |
| Moderate                | (101-200)               | 170                                | 154                                | 95                                 | 364                                | 365                                | 366                                |
| Poor                    | (201-300)               | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  |
| Very Poor               | (301-400)               | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  |
| Severe                  | (>401)                  | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  |
| Total Number of Days    | Total Number of Days    | 364                                | 365                                | 366                                | 364                                | 365                                | 366                                |

| Agartala (Tripura)   | Agartala (Tripura)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|----------------------|----------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category         | Range                | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                      |                      | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                 | (0-50)               | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  | 42                                 |
| Satisfactory         | (51-100)             | 0                                  | 0                                  | 10                                 | 0                                  | 0                                  | 42                                 |
| Moderate             | (101-200)            | 0                                  | 0                                  | 32                                 | 0                                  | 0                                  | 42                                 |
| Poor                 | (201-300)            | 0                                  | 0                                  | 8                                  | 0                                  | 0                                  | 8                                  |
| Very Poor            | (301-400)            | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  | 8                                  |
| Severe               | (>401)               | 0                                  | 0                                  | 0                                  | 0                                  | 0                                  | 8                                  |
| Total Number of Days | Total Number of Days | 0                                  | 0                                  | 50                                 | 0                                  | 0                                  | 50                                 |

| Lucknow (Uttar Pradesh)   | Lucknow (Uttar Pradesh)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|---------------------------|---------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category              | Range                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                           |                           | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                      | (0-50)                    | 3                                  | 7                                  | 0                                  |                                    |                                    |                                    |
| Satisfactory              | (51-100)                  | 72                                 | 88                                 | 132                                | 161                                | 211                                | 237                                |
| Moderate                  | (101-200)                 | 86                                 | 116                                | 105                                |                                    |                                    |                                    |
| Poor                      | (201-300)                 | 106                                | 89                                 | 74                                 |                                    |                                    |                                    |
| Very Poor                 | (301-400)                 | 89                                 | 59                                 | 48                                 | 203                                | 153                                | 129                                |
| Severe                    | (>401)                    | 8                                  | 5                                  | 7                                  |                                    |                                    |                                    |
| Total Number of Days      | Total Number of Days      | 364                                | 364                                | 366                                | 364                                | 364                                | 366                                |

| Ghaziabad    | (Uttar Pradesh)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|--------------|-------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category | Range             | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|              |                   | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good         | (0-50)            | 4                                  | 3                                  | 13                                 |                                    |                                    |                                    |

| Satisfactory         | (51-100)   |   46 |   56 |   69 | 138   | 147   | 204   |
|----------------------|------------|------|------|------|-------|-------|-------|
| Moderate             | (101-200)  |   88 |   88 |  122 |       |       |       |
| Poor                 | (201-300)  |   86 |  109 |   75 | 217   | 216   |       |
| Very Poor            | (301-400)  |   82 |   70 |   61 | 217   | 216   | 161   |
| Severe               | (>401)     |   49 |   37 |   25 | 217   | 216   |       |
| Total Number of Days |            |  355 |  363 |  365 | 355   | 363   | 365   |

| Kolkata (West Bengal)   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   | Comparative AQI Status 2018-2020   |
|-------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|------------------------------------|
| AQI Category            | Range                              | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     | Number of days                     |
|                         |                                    | 2018                               | 2019                               | 2020                               | 2018                               | 2019                               | 2020                               |
| Good                    | (0-50)                             | 32                                 | 76                                 | 144                                | 185                                | 264                                | 292                                |
| Satisfactory            | (51-100)                           | 123                                | 114                                | 72                                 | 185                                | 264                                | 292                                |
| Moderate                | (101-200)                          | 30                                 | 74                                 | 76                                 | 185                                | 264                                | 292                                |
| Poor                    | (201-300)                          | 28                                 | 64                                 | 60                                 | 64                                 | 99                                 | 74                                 |
| Very Poor               | (301-400)                          | 35                                 | 30                                 | 14                                 | 64                                 | 99                                 | 74                                 |
| Severe                  | (>401)                             | 1                                  | 5                                  | 0                                  | 64                                 | 99                                 | 74                                 |
| Total Number of Days    | Total Number of Days               | 249                                | 363                                | 366                                | 249                                | 363                                | 366                                |

| Mumbai-Maharashtra   | Mumbai-Maharashtra   |   Mumbai-Maharashtra |   Mumbai-Maharashtra |   Mumbai-Maharashtra |   Mumbai-Maharashtra |   Mumbai-Maharashtra |   Mumbai-Maharashtra |
|----------------------|----------------------|----------------------|----------------------|----------------------|----------------------|----------------------|----------------------|
| Category             | Category             |                 2018 |                 2019 |                 2020 |                 2018 |                 2019 |                 2020 |
| Good                 | (0-50)               |                    1 |                   58 |                  119 |                  266 |                  336 |                  346 |
| Satisfactory         | (51-100)             |                  143 |                  170 |                  104 |                  266 |                  336 |                  346 |
| Moderate             | (101-200)            |                  122 |                  108 |                  123 |                  266 |                  336 |                  346 |
| Poor                 | (201-300)            |                   16 |                   26 |                   20 |                   16 |                   26 |                   20 |
| Very Poor            | (301-400)            |                    0 |                    0 |                    0 |                   16 |                   26 |                   20 |
| Severe               | (>401)               |                    0 |                    0 |                    0 |                   16 |                   26 |                   20 |
| Total Number of Days | Total Number of Days |                  282 |                  362 |                  366 |                  282 |                  362 |                  366 |