Lok Sabha Question No. 3547 (UNSTARRED), answered on 2025-08-11
Subject: Continuous Ambient Air Quality Monitoring Stations
Ministry: ENVIRONMENT, FOREST AND CLIMATE CHANGE
Asked by: Ms Iqra Choudhary

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

## LOK SABHA

## UNSTARRED QUESTION NO. 3547

TO BE ANSWERED ON 11.08.2025

## Continuous Ambient Air Quality Monitoring Stations

3547: MS IQRA CHOUDHARY :

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

- (a) the details  of  the  Continuous Ambient Air Quality Monitoring Stations (CAAQMS) sanctioned, installed and made operational along with stations pending for installation, State/UT-wise and district-wise in Uttar Pradesh;
- (b) the  total  funds  sanctioned,  released  and  utilised  under  the  National  Clean  Air Programme (NCAP) for setting up and maintaining the said stations since its inception, year-wise;
- (c) the criteria adopted by the Government for selecting cities and districts for installation of CAAQMS:
- (d) the number of districts with urban or industrial clusters have no operational CAAQMS, and
- (e) whether the Government has identified more districts for  future  coverage, if so, the details thereof?

## ANSWER

MINISTER OF STATE IN THE MINISTRY OF ENVIRONMENT, FOREST AND CLIMATE CHANGE

(SHRI KIRTI VARDHAN SINGH)

(a)  to  (e): Ambient  air  quality  monitoring  is  carried  out  by  Central  Pollution  Control  Board (CPCB)  and  State  Pollution  Control  Boards  (SPCB).  CPCB  issued  criteria  for  establishing Ambient Air Quality Monitoring stations based on population. The said criteria is  enclosed at Annexure I.

A total of 559 number of Continuous Ambient Air Quality Monitoring Stations (CAAQMS) have been installed  and  made operational across 292  cities  across  the  country.  State-wise details  of Continuous Ambient Air Quality Monitoring Stations operational in the country are enclosed at Annexure II. Year-wise details of funds utilized under NCAP for setting up of CAAQMS are provided at Annexure III .

Concerned State Pollution Control Boards have been mandated under the Air (Prevention and Control of Pollution) Act, 1981 to collect ambient air quality data.

In  Uttar  Pradesh State,  54 number of CAAQMS have been installed in 18 Districts and made operational.  Details  of  District-wise  Continuous  Ambient  Air  Quality  Monitoring  Stations operational in Uttar Pradesh State is enclosed at Annexure IV. 57 districts of Uttar Pradesh do not have operational CAAQMS.

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## Annexure I

## Criteria for designing the ambient air quality monitoring network

| Population (Census 2011)   | Minimum no. of manual stations                                                                                             | Minimum no of proposed CAAQMS                                                                                |   Total |
|----------------------------|----------------------------------------------------------------------------------------------------------------------------|--------------------------------------------------------------------------------------------------------------|---------|
| 1,00,000- < 5,00,000       | Background (1 number) Residential/ Commercial (2 numbers)                                                                  | Residential (1 number)                                                                                       |       4 |
| 5,00,000- <10,00,000       | Background (1 number) Residential/Commercial (2 numbers)                                                                   | Residential (1 number) Traffic dominant area (1 number) Commercial (1 number)                                |       6 |
| 10,00,000- <50,00,000      | Background (1 number) Residential/ Commercial (2 numbers)                                                                  | Residential (2 numbers) Traffic dominant area (1 number) Commercial (1 number) Industrial area (1 number)    |       8 |
| ≥50,00,000                 | Background in upwind direction (1 number) Background in down wind direction (1 number) Residential/ Commercial (2 numbers) | Residential (4 numbers) Traffic dominant area (3 numbers) Commercial (3 numbers) Industrial area (2 numbers) |      16 |

## Annexure II

## State-wise details of Continuous Ambient Air Quality Monitoring Stations operational in the country

| Sl. No.         | States / UTs          |   No. of CAAQMS |
|-----------------|-----------------------|-----------------|
| 1.              | Andaman &Nicobar (UT) |               1 |
| 2.              | Andhra Pradesh        |              13 |
| 3.              | Arunachal Pradesh     |               1 |
| 4.              | Assam                 |               9 |
| 5.              | Bihar                 |              35 |
| 6.              | Chandigarh (UT)       |               3 |
| 7.              | Chhattisgarh          |              14 |
| 8.              | Delhi (UT)            |              39 |
| 9.              | Gujarat               |              17 |
| 10.             | Haryana               |              31 |
| 11.             | Himachal Pradesh      |               1 |
| 12.             | Jammu &Kashmir (UT)   |               1 |
| 13.             | Jharkhand             |               4 |
| 14.             | Karnataka             |              42 |
| 15.             | Kerala                |               9 |
| 16.             | Madhya Pradesh        |              29 |
| 17.             | Maharashtra           |              97 |
| 18.             | Manipur               |               2 |
| 19.             | Meghalaya             |               2 |
| 20.             | Mizoram               |               1 |
| 21.             | Nagaland              |               1 |
| 22.             | Odisha                |              19 |
| 23.             | Pondicherry (UT)      |               1 |
| 24.             | Punjab                |               8 |
| 25.             | Rajasthan             |              46 |
| 26.             | Sikkim                |               1 |
| 27.             | Tamilnadu             |              37 |
| 28.             | Telangana             |              14 |
| 29.             | Tripura               |               2 |
| 30.             | Uttar Pradesh         |              54 |
| 31.             | Uttarakhand           |               3 |
| 32.             | West Bengal           |              22 |
| Total stations: |                       |             559 |

Annexure III Year-wise details of funds utilized under NCAP for setting up of CAAQMS across the country

| Financial Year   |   No. of CAAQMS |   Fund utilized (Rs. in crore) |
|------------------|-----------------|--------------------------------|
| 2019-20          |               3 |                           2.74 |
| 2020-21          |              18 |                          13.91 |
| 2021-22          |              35 |                          38.81 |
| 2022-23          |              27 |                          21.7  |
| 2023-24          |              18 |                          11.48 |
| Total            |             101 |                          88.64 |

Annexure IV District-wise details of Continuous Ambient Air Quality Monitoring Stations operational in

## Uttar Pradesh State

| S. No.   | District            |   No. of CAAQMS |
|----------|---------------------|-----------------|
| 1.       | Agra                |               6 |
| 2.       | Prayagraj           |               3 |
| 3.       | Baghpat             |               1 |
| 4.       | Bareilly            |               2 |
| 5.       | Bulandshahr         |               2 |
| 6.       | Firozabad           |               2 |
| 7.       | Ghaziabad           |               4 |
| 8.       | Gorakhpur           |               1 |
| 9.       | Gautam Buddha Nagar |               6 |
| 10.      | Hapur               |               1 |
| 11.      | Jhansi              |               1 |
| 12.      | Kanpur              |               3 |
| 13.      | Lucknow             |               7 |
| 14.      | Meerut              |               3 |
| 15.      | Moradabad           |               6 |
| 16.      | Muzaffarnagar       |               1 |
| 17.      | Varanasi            |               4 |
| 18.      | Mathura             |               1 |
|          | Total               |              54 |