| Pollutant | Band | Concentration | Period | Last updated | 
|---|---|---|---|---|
| Nitric oxide (NO) | Not applicable | 0 µg/m3 | hourly mean | 04/11/2025 04:00 | 
| Nitrogen dioxide (NO2) | LOW (1) | 3 µg/m3 | hourly mean | 04/11/2025 04:00 | 
| Nitrogen oxides as nitrogen dioxide (NOXasNO2) | Not applicable | 3 µg/m3 | hourly mean | 04/11/2025 04:00 | 
| PM10 particulate matter (Grav Equiv) | LOW (1) | 9 µg/m3 (FIDAS) | 24 Hour mean | 04/11/2025 04:00 | 
| PM2.5 particulate matter | LOW (1) | 5 µg/m3 (Ref.eq) | 24 Hour mean | 04/11/2025 04:00 | 
| Pollutants shown in graph | |
|---|---|
| Parameter | Parameter Name | 
| O3 | Ozone | 
| NO | Nitric oxide | 
| NO2 | Nitrogen dioxide | 
| NOXasNO2 | Nitrogen oxides as nitrogen dioxide | 
| SO2 | Sulphur dioxide | 
| CO | Carbon monoxide | 
| PM10 | PM10 Particulate Matter | 
| PM2.5 | PM2.5 Particulate Matter | 
| NV25 | Non-volatile PM2.5 | 
| V25 | Volatile PM2.5 | 
| Site Information | |
|---|---|
| Altitude | 3m | 
| Coordinates (Lat/Long) | 51.466030, 0.184806 | 
| Environment Type | Suburban: A location type situated in a residential area on the outskirts of a town or city. | 
| Kerb Distance | 40m | 
| Height | Metres | 
| Site Comments | The monitoring station is within a self-contained, air conditioned housing located approximately 40 metres from the nearest road in a suburban background setting. The manifold inlet is approximately 3 metres above ground level. The surrounding area is generally open and comprises residential dwellings and gardens. | 
| Parameter | Date Started | Date Ended | 
|---|---|---|
| Ozone | 01/05/1994 | 30/09/2007 | 
| Nitric oxide | 01/05/1994 | - | 
| Nitrogen dioxide | 01/05/1994 | - | 
| Nitrogen oxides as nitrogen dioxide | 01/05/1994 | - | 
| Sulphur dioxide | 01/05/1994 | 31/12/2014 | 
| Carbon monoxide | 01/05/1994 | 31/12/2012 | 
| PM10 particulate matter (Grav Equiv) | 01/05/1994 | - | 
| PM2.5 particulate matter | 25/02/2008 | - | 
| Non-volatile PM2.5 | 21/10/2008 | 01/10/2020 | 
| Volatile PM2.5 | 21/10/2008 | 01/10/2020 |