London Borough of Hounslow Monitoring Data
Hounslow Gunnersbury (HS8)
Latitude: 51.500676
Longitude: -0.284383
Date Started: 09/02/2012
Longitude: -0.284383
Date Started: 09/02/2012
Altitude: 2 metres
Environment: Urban Traffic
Environment: Urban Traffic
Site Comments
Hounslow - Hatton Cross
Hounslow - Hatton Cross
Latest Data
This monitoring site data was last updated: 21/11/2024 07:00
Parameter | Pollution Band | Concentration | Period |
---|---|---|---|
PM10 particulate matter (Hourly measured) | Low (Index 2) | 23 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) | 26 µg/m3 | hourly mean |
Nitric oxide (NO) | not applicable | 40 µg/m3 | hourly mean |
Nitrogen oxides as nitrogen dioxide (NOx as NO2) | not applicable | 88 µg/m3 | hourly mean |
Non-volatile PM10 (Hourly measured) | not applicable | 16 µg/m3 (TEOM FDMS) | 24 Hour mean |
Volatile PM10 (Hourly measured) | not applicable | 9 µg/m3 (TEOM FDMS) | 24 Hour mean |
Non-volatile PM2.5 (Hourly measured) | not applicable | 10 µg/m3 (TEOM FDMS) | 24 Hour mean |
Volatile PM2.5 (Hourly measured) (Volatile PM2.5) | not applicable | 7 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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