AURN Monitoring Site Monitoring Data
Charlton Mackrell (MACK, an AURN site)
Latitude: 51.056250
Longitude: -2.683450
Date Started: 03/09/2008
Longitude: -2.683450
Date Started: 03/09/2008
Altitude: 54 metres
Environment: Rural
Environment: Rural
Latest Data
This monitoring site data was last updated: 09/07/2025 07:00
| Parameter | Pollution Band | Concentration | Period |
|---|---|---|---|
| Ozone (O3) | Low (Index 1) | 33 µg/m3 | 8 Hour mean |
| Nitrogen dioxide (NO2) | Low (Index 1) | 4 µg/m3 | hourly mean |
| PM10 particulate matter (Hourly measured) | Low (Index 1) | 6 µg/m3 (FIDAS) | 24 Hour mean |
| PM2.5 particulate matter (Hourly measured) | Low (Index 1) | 3 µg/m3 (Ref.eq) | 24 Hour mean |
| Nitric oxide (NO) | not applicable | 2 µg/m3 | hourly mean |
| Nitrogen oxides as nitrogen dioxide (NOx as NO2) | not applicable | 7 µg/m3 | hourly mean |
Note: Values are based on provisional data. Data are GMT hour ending.
PM10 is measured as a running 24 hour mean, up to the current hour, and the band/index is calculated accordingly.