Spelthorne Borough Council Monitoring Data
Spelthorne Sunbury Cross (SBC01)
Latitude: 51.420250
Longitude: -0.418515
Date Started: 10/01/2017
Longitude: -0.418515
Date Started: 10/01/2017
Inlet Height: 3 metres
Environment: Urban Background
Environment: Urban Background
Site Comments
Site located in residential street adjacent to small car park and strip of grassed field. Close to M3 J1 and busy Sunbury Cross roundabout.
Site located in residential street adjacent to small car park and strip of grassed field. Close to M3 J1 and busy Sunbury Cross roundabout.
Latest Data
This monitoring site data was last updated: Sorry, no current data available. The last data date time is: 03/04/2025 21:00
| Parameter | Pollution Band | Concentration | Period |
|---|---|---|---|
| PM10 particulate matter (Hourly measured) | Low (Index 2) | 30 µg/m3 (FIDAS) | 24 Hour mean |
| PM2.5 particulate matter (Hourly measured) | Low (Index 2) | 18 µg/m3 (Ref.eq) | 24 Hour mean |
| Nitrogen dioxide (NO2) | No Data | hourly mean | |
| Nitric oxide (NO) | No Data | hourly mean | |
| Nitrogen oxides as nitrogen dioxide (NOx as NO2) | No Data | hourly mean | |
| PM1 Particulates (PM1) | not applicable | 15 µg/m3 (FIDAS) | 24 Hour 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.