AURN Monitoring Site Monitoring Data
Chilbolton Observatory (CHBO, an AURN site)
Latitude: 51.149617
Longitude: -1.438228
Date Started: 11/01/2016
Longitude: -1.438228
Date Started: 11/01/2016
Altitude: 78 metres
Inlet Height: 7 metres
Inlet Height: 7 metres
Latest Data
This monitoring site data was last updated: 26/12/2024 17:00
| Parameter | Pollution Band | Concentration | Period |
|---|---|---|---|
| Ozone (O3) | Low (Index 2) | 47 µg/m3 | 8 Hour mean |
| Nitrogen dioxide (NO2) | Low (Index 1) | 4 µg/m3 | hourly mean |
| Sulphur dioxide (SO2) | Low (Index 1) | 1 µg/m3 | 15 Minute mean |
| PM10 particulate matter (Hourly measured) | No Data | 24 Hour mean | |
| PM2.5 particulate matter (Hourly measured) | No Data | 24 Hour mean | |
| Nitric oxide (NO) | not applicable | 0 µg/m3 | hourly mean |
| Nitrogen oxides as nitrogen dioxide (NOx as NO2) | not applicable | 5 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.
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