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Latest air quality summary

Number of monitoring sites in each pollution band

Heathrow Airwatch was last updated at 02:00 on Saturday 27th 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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Slough Colnbrook

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

Monitoring Networks

Heathrow airwatch

Parameter Date Started Date Ended
Mean windspeed 19/10/2000 16/03/2022
Modelled Temperature 01/08/2010 16/03/2022
Modelled Wind Direction 01/08/2010 16/03/2022
Modelled Wind Speed 01/08/2010 16/03/2022
Nitric Oxide 19/10/2000 16/03/2022
Nitrogen dioxide 19/10/2000 16/03/2022
Oxides of Nitrogen 19/10/2000 16/03/2022
PM10 Particulate matter 19/10/2000 16/03/2022
PM10 Particulate matter 19/10/2000 16/03/2022
Temperature 19/10/2000 24/01/2014
Wind direction 19/10/2000 16/03/2022

Slough monitoring network

Parameter Date Started Date Ended
19/10/2000 07/09/2005
Mean windspeed 19/10/2000 16/03/2022
Nitric Oxide 19/10/2000 16/03/2022
Nitrogen dioxide 19/10/2000 16/03/2022
Oxides of Nitrogen 19/10/2000 16/03/2022
PM10 Particulate matter 19/10/2000 16/03/2022
PM10 Particulate matter 19/10/2000 16/03/2022
Temperature 19/10/2000 16/05/2018
Wind direction 19/10/2000 16/03/2022