London Borough of Camden Monitoring Data
London Bloomsbury (CLL2, an AURN site)
Latitude: 51.522290
Longitude: -0.125889
Date Started: 23/01/1992
Longitude: -0.125889
Date Started: 23/01/1992
Altitude: 20 metres
Environment: Urban Centre
Environment: Urban Centre
Latest Data
This monitoring site data was last updated: 03/04/2025 22:00
| Parameter | Pollution Band | Concentration | Period |
|---|---|---|---|
| Ozone (O3) | Low (Index 2) | 63 µg/m3 | 8 Hour mean |
| PM10 particulate matter (Hourly measured) | Low (Index 2) | 32 µg/m3 (FIDAS) | 24 Hour mean |
| PM2.5 particulate matter (Hourly measured) | Low (Index 2) | 19 µg/m3 (Ref.eq) | 24 Hour mean |
| Nitrogen dioxide (NO2) | Low (Index 1) | 42 µg/m3 | hourly mean |
| Sulphur dioxide (SO2) | Low (Index 1) | 3 µg/m3 | 15 Minute mean |
| Nitric oxide (NO) | not applicable | 2 µg/m3 | hourly mean |
| Nitrogen oxides as nitrogen dioxide (NOx as NO2) | not applicable | 45 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.
Other monitoring sites
Use the dropdown below to switch to another monitoring site within this local authority.