ENV02 - Air quality statistics
Source: gov.uk (2025-06-26)

An annual update of data on concentrations of major air pollutants in the UK.

This data set contains data on the concentrations of major air pollutants as measured by the Automatic Urban and Rural Network (AURN).

If you require the data in another format please contact: xxx@xxx.xx (mailto:xxx@xxx.xx)

(https://assets.publishing.service.gov.uk/media/685bba977d72089d1997609b/PM25_Tables_2024.ods)

Particulate Matter (PM2.5) Tables (https://assets.publishing.service.gov.uk/media/685bba977d72089d1997609b/PM25_Tables_2024.ods)

ODS, 247 KB

This file is in an OpenDocument (https://www.gov.uk/guidance/using-open-document-formats-odf-in-your-organisation) format

(https://assets.publishing.service.gov.uk/media/685bbac67d72089d1997609c/PM10_Tables_2024.ods)

Particulate Matter (PM10) Tables (https://assets.publishing.service.gov.uk/media/685bbac67d72089d1997609c/PM10_Tables_2024.ods)

ODS, 211 KB

This file is in an OpenDocument (https://www.gov.uk/guidance/using-open-document-formats-odf-in-your-organisation) format

(https://assets.publishing.service.gov.uk/media/685bbade89ba18761d97609d/O3_Tables_2024.ods)

Ozone (O3) Tables (https://assets.publishing.service.gov.uk/media/685bbade89ba18761d97609d/O3_Tables_2024.ods)

ODS, 283 KB

This file is in an OpenDocument (https://www.gov.uk/guidance/using-open-document-formats-odf-in-your-organisation) format

(https://assets.publishing.service.gov.uk/media/685bbb0589ba18761d97609e/NO2_Tables_2024.ods)

Nitrogen Dioxide (NO2) Tables (https://assets.publishing.service.gov.uk/media/685bbb0589ba18761d97609e/NO2_Tables_2024.ods)

ODS, 453 KB

This file is in an OpenDocument (https://www.gov.uk/guidance/using-open-document-formats-odf-in-your-organisation) format

(https://assets.publishing.service.gov.uk/media/685bbb2689ba18761d97609f/Air_Pollution_Episodes_2024.ods)

Number of days when air pollution is moderate or higher in the UK, 2010 to 2024 (detailed site data) (https://assets.publishing.service.gov.uk/media/685bbb2689ba18761d97609f/Air_Pollution_Episodes_2024.ods)

ODS, 237 KB

This file is in an OpenDocument (https://www.gov.uk/guidance/using-open-document-formats-odf-in-your-organisation) format

(https://assets.publishing.service.gov.uk/media/685bbb43c07c71e5a8709798/Daily_Air_Quality_Index.ods)

Daily Air Quality Index Table (https://assets.publishing.service.gov.uk/media/685bbb43c07c71e5a8709798/Daily_Air_Quality_Index.ods)

ODS, 5.62 KB

This file is in an OpenDocument (https://www.gov.uk/guidance/using-open-document-formats-odf-in-your-organisation) format

(https://assets.publishing.service.gov.uk/media/685bb6da454906840a44d664/fig01_nitrogen_dioxide_annual.csv)

Figure 1: Annual mean concentrations of NO2 in the UK, 1990 to 2024 (https://assets.publishing.service.gov.uk/media/685bb6da454906840a44d664/fig01_nitrogen_dioxide_annual.csv)

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(https://assets.publishing.service.gov.uk/media/685bb6f541d77db4f68eb185/fig02_nitrogen_dioxide_road_hours_above_moderate.csv)

Figure 2: Mean hours when NO2 pollution was moderate or higher for roadside sites, 1997 to 2024 (https://assets.publishing.service.gov.uk/media/685bb6f541d77db4f68eb185/fig02_nitrogen_dioxide_road_hours_above_moderate.csv)

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(https://assets.publishing.service.gov.uk/media/685bb76f45eea7ef2e6207a8/fig03_nitrogen_dioxide_weekday.csv)

Figure 3: Weekday mean NO2 concentration at roadside, urban background and rural background sites, 2024 (https://assets.publishing.service.gov.uk/media/685bb76f45eea7ef2e6207a8/fig03_nitrogen_dioxide_weekday.csv)

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(https://assets.publishing.service.gov.uk/media/685bb79d41d77db4f68eb187/fig04_nitrogen_dioxide_hourly.csv)

Figure 4: Hourly mean NO2 concentration at roadside, urban background and rural background sites, 2024 (https://assets.publishing.service.gov.uk/media/685bb79d41d77db4f68eb187/fig04_nitrogen_dioxide_hourly.csv)

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(https://assets.publishing.service.gov.uk/media/685bb7b7e9509f1a908eb178/fig05_pm10_annual.csv)

Figure 5: Annual mean concentrations of PM10 in the UK, 1992 to 2024 (https://assets.publishing.service.gov.uk/media/685bb7b7e9509f1a908eb178/fig05_pm10_annual.csv)

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(https://assets.publishing.service.gov.uk/media/685bb7e2e9509f1a908eb179/fig06_pm25_annual.csv)

Figure 6: Annual concentrations of PM2.5 in the UK, 2009 to 2024 (https://assets.publishing.service.gov.uk/media/685bb7e2e9509f1a908eb179/fig06_pm25_annual.csv)

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(https://assets.publishing.service.gov.uk/media/685bb801454906840a44d666/fig07_pm10_road_hours_above_moderate.csv)

Figure 7: Annual mean hours when PM10 pollution was ‘Moderate’ or higher, for roadside sites, 1997 to 2024 (https://assets.publishing.service.gov.uk/media/685bb801454906840a44d666/fig07_pm10_road_hours_above_moderate.csv)

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(https://assets.publishing.service.gov.uk/media/685bb83445eea7ef2e6207a9/fig08_pm10_urban_background_hours_above_moderate.csv)

Figure 8: Annual mean hours per site when PM10 pollution was ‘Moderate’ or higher, for urban background sites, 1992 to 2024 (https://assets.publishing.service.gov.uk/media/685bb83445eea7ef2e6207a9/fig08_pm10_urban_background_hours_above_moderate.csv)

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(https://assets.publishing.service.gov.uk/media/685bb87ce9509f1a908eb17b/fig09_pm25_road_hours_above_moderate.csv)

Figure 9: Annual mean hours when PM2.5 pollution was ‘Moderate’ or higher for roadside sites, 2009 to 2024 (https://assets.publishing.service.gov.uk/media/685bb87ce9509f1a908eb17b/fig09_pm25_road_hours_above_moderate.csv)

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(https://assets.publishing.service.gov.uk/media/685bb8a0454906840a44d667/fig10_pm25_urban_background_hours_above_moderate.csv)

Figure 10: Annual mean hours when PM2.5 pollution was ‘Moderate’ or higher for urban background sites, 2009 to 2024 (https://assets.publishing.service.gov.uk/media/685bb8a0454906840a44d667/fig10_pm25_urban_background_hours_above_moderate.csv)

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(https://assets.publishing.service.gov.uk/media/685bb8d145eea7ef2e6207ab/fig11_pm25_road_monthly.csv)

Figure 11: Monthly mean PM2.5 concentration at roadside and urban background sites, 2024 (https://assets.publishing.service.gov.uk/media/685bb8d145eea7ef2e6207ab/fig11_pm25_road_monthly.csv)

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(https://assets.publishing.service.gov.uk/media/685bb8f345eea7ef2e6207ac/fig12_pm25_road_hourly.csv)

Figure 12: Hourly mean PM2.5 concentration at roadside and urban background sites, 2024 (https://assets.publishing.service.gov.uk/media/685bb8f345eea7ef2e6207ac/fig12_pm25_road_hourly.csv)

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(https://assets.publishing.service.gov.uk/media/685bb90de9509f1a908eb17c/fig13_ozone_annual.csv)

Figure 13: Annual mean concentrations of O3 in the UK, 1987 to 2024 (https://assets.publishing.service.gov.uk/media/685bb90de9509f1a908eb17c/fig13_ozone_annual.csv)

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(https://assets.publishing.service.gov.uk/media/685bb94741d77db4f68eb18b/fig14_ozone_rural_hours_above_moderate.csv)

Figure 14: Mean hours when O3 pollution was ‘Moderate’ or higher for rural background sites, 1987 to 2024 (https://assets.publishing.service.gov.uk/media/685bb94741d77db4f68eb18b/fig14_ozone_rural_hours_above_moderate.csv)

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(https://assets.publishing.service.gov.uk/media/685bb97341d77db4f68eb18c/fig15_ozone_urban_background_hours_above_moderate.csv)

Figure 15: Mean hours when O3 pollution was ‘Moderate’ or higher for urban background sites, 1992 to 2024 (https://assets.publishing.service.gov.uk/media/685bb97341d77db4f68eb18c/fig15_ozone_urban_background_hours_above_moderate.csv)

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(https://assets.publishing.service.gov.uk/media/685bb9bd72588f418862079e/fig16_ozone_monthly.csv)

Figure 16: Monthly mean daily maximum 8-hour mean concentrations of O3 in the UK, 2024 (https://assets.publishing.service.gov.uk/media/685bb9bd72588f418862079e/fig16_ozone_monthly.csv)

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(https://assets.publishing.service.gov.uk/media/685bb9e341d77db4f68eb18e/fig17_urban_days_above_moderate.csv)

Figure 17: Mean number of days per urban site when air pollution was ‘Moderate’ or higher in the UK, 2010 to 2024 (https://assets.publishing.service.gov.uk/media/685bb9e341d77db4f68eb18e/fig17_urban_days_above_moderate.csv)

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(https://assets.publishing.service.gov.uk/media/685bba0789ba18761d97609b/fig18_rural_days_above_moderate.csv)

Figure 18: Mean number of days per rural site when air pollution was 'Moderate' or higher in the UK, 2010 to 2024 (https://assets.publishing.service.gov.uk/media/685bba0789ba18761d97609b/fig18_rural_days_above_moderate.csv)

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(https://assets.publishing.service.gov.uk/media/685bba3c4cd6b03168709799/fig19_urban_days_above_moderate_by_pollutant.csv)

Figure 19: Average number of days when levels of ozone, particulate matter, nitrogen dioxide and sulphur dioxide were ‘Moderate’ or higher at urban sites in the UK, 2010 to 2024 (https://assets.publishing.service.gov.uk/media/685bba3c4cd6b03168709799/fig19_urban_days_above_moderate_by_pollutant.csv)

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(https://assets.publishing.service.gov.uk/media/685bba6889ba18761d97609c/fig20_rural_days_above_moderate_by_pollutant.csv)

Figure 20: Average number of days when levels of ozone, particulate matter, and sulphur dioxide were ‘Moderate’ or higher at rural sites in the UK, 2010 to 2024 (https://assets.publishing.service.gov.uk/media/685bba6889ba18761d97609c/fig20_rural_days_above_moderate_by_pollutant.csv)

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