London Borough of Bromley Council Monitoring Data
Bromley Harwood Avenue (BRY001)
Latitude: 51.405546
Longitude: 0.018882
Date Started: 01/01/2026
Longitude: 0.018882
Date Started: 01/01/2026
Inlet Height: 3.5 metres
Environment: Urban Traffic
Environment: Urban Traffic
Latest Data
This monitoring site data was last updated: 08/01/2026 13:00
| Parameter | Pollution Band | Concentration | Period |
|---|---|---|---|
| Nitrogen dioxide (NO2) | Low (Index 1) | 18 µg/m3 | hourly mean |
| PM2.5 particulate matter (Hourly measured) | Low (Index 1) | 10 µg/m3 (BAM) | 24 Hour mean |
| PM10 particulate matter (Hourly measured) | Low (Index 1) | 12 µg/m3 (Ref.eq) | 24 Hour mean |
| Nitric oxide (NO) | not applicable | 3 µg/m3 | hourly mean |
| Nitrogen oxides as nitrogen dioxide (NOx as NO2) | not applicable | 22 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.