Royal Borough of Kensington & Chelsea Monitoring Data
RBKC Chelsea Old Town Hall (KC4)
Latitude: 51.487437
Longitude: -0.168397
Date Started: 27/09/2000
Longitude: -0.168397
Date Started: 27/09/2000
Inlet Height: 3 metres
Environment: Urban Traffic
Environment: Urban Traffic
Latest Data
This monitoring site data was last updated: Sorry, no current data available. The last data date time is: 05/12/2025 21:00
| Parameter | Pollution Band | Concentration | Period |
|---|---|---|---|
| Nitrogen dioxide (NO2) | Low (Index 1) | 21 µg/m3 | hourly mean |
| Nitric oxide (NO) | not applicable | 13 µg/m3 | hourly mean |
| Nitrogen oxides as nitrogen dioxide (NOx as NO2) | not applicable | 41 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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