London Borough of Hounslow Monitoring Data
Hounslow Hatton Cross (HS7)
Latitude: 51.463402
Longitude: -0.427525
Date Started: 01/01/2006
Longitude: -0.427525
Date Started: 01/01/2006
Altitude: 2 metres
Environment: Urban Background
Environment: Urban Background
Site Comments
Myrtle Avenue
Myrtle Avenue
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) | 25 µg/m3 (TEOM FDMS) | 24 Hour mean |
| PM2.5 particulate matter (Hourly measured) | Low (Index 2) | 15 µg/m3 (TEOM FDMS) | 24 Hour mean |
| Nitrogen dioxide (NO2) | Low (Index 1) | 40 µg/m3 | hourly mean |
| Nitric oxide (NO) | not applicable | 6 µg/m3 | hourly mean |
| Nitrogen oxides as nitrogen dioxide (NOx as NO2) | not applicable | 50 µg/m3 | hourly mean |
| Non-volatile PM10 (Hourly measured) | not applicable | 20 µg/m3 (TEOM FDMS) | 24 Hour mean |
| Volatile PM10 (Hourly measured) | not applicable | 5 µg/m3 (TEOM FDMS) | 24 Hour mean |
| Non-volatile PM2.5 (Hourly measured) | not applicable | 12 µg/m3 (TEOM FDMS) | 24 Hour mean |
| Volatile PM2.5 (Hourly measured) (Volatile PM2.5) | not applicable | 2 µg/m3 (TEOM FDMS) | 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.
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