AURN Monitoring Site Monitoring Data
Preston (PRES, an AURN site)
Latitude: 53.765590
Longitude: -2.680353
Date Started: 06/06/2000
Longitude: -2.680353
Date Started: 06/06/2000
Altitude: 40 metres
Environment: Urban Background
Environment: Urban Background
Latest Data
This monitoring site data was last updated: 23/04/2024 18:00
| Parameter | Pollution Band | Concentration | Period |
|---|---|---|---|
| Ozone (O3) | Low (Index 3) | 72 µg/m3 | 8 Hour mean |
| Nitrogen dioxide (NO2) | Low (Index 1) | 14 µg/m3 | hourly mean |
| PM10 particulate matter (Hourly measured) | Low (Index 1) | 11 µg/m3 (FIDAS) | 24 Hour mean |
| PM2.5 particulate matter (Hourly measured) | Low (Index 1) | 6 µg/m3 (Ref.eq) | 24 Hour mean |
| Nitric oxide (NO) | not applicable | 4 µg/m3 | hourly mean |
| Nitrogen oxides as nitrogen dioxide (NOx as NO2) | not applicable | 21 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.