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Latest air quality summary

Number of monitoring sites in each pollution band

Heathrow Airwatch was last updated at 07:00 on Saturday 20th April 2024

  • Low22
  • Moderate0
  • High0
  • Very High0
  • No Data0
  • 22

    Total monitoring sites

Green Low (1-3) Orange Moderate (4-6) Red High (7-9) Purple Very High (10)
Grey Offline | Find out more about the air pollution index and bandings

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Hounslow 2 - Cranford

Site Information
Environment Type
Coordinates (Lat/Long) ,
Altitude
Kerb Distance
Site Comments

Monitoring Networks

Heathrow airwatch

Parameter Date Started Date Ended
Modelled Temperature 01/08/2010 08/04/2020
Modelled Wind Direction 01/08/2010 08/04/2020
Modelled Wind Speed 01/08/2010 08/04/2020
Nitric Oxide 01/01/1996 08/04/2020
Nitrogen dioxide 01/01/1996 08/04/2020
Non-volatile PM10 07/10/2009 06/11/2012
Oxides of Nitrogen 01/01/1996 08/04/2020
Ozone 01/01/1996 08/04/2020
PM10 Particulate matter 01/01/1996 08/04/2020
PM10 Particulate matter 01/01/1996 08/04/2020
Sulphur dioxide 01/01/1996 08/04/2020
Volatile PM10 07/10/2009 06/11/2012