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Latest air quality summary

Number of monitoring sites in each pollution band

Heathrow Airwatch was last updated at 15:00 on Friday 29th March 2024

  • Low21
  • Moderate0
  • High0
  • Very High0
  • No Data1
  • 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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Hillingdon Hayes

Site Information
Environment Type Not Available
Coordinates (Lat/Long) 51.498167, -0.412333
Altitude 34m
Kerb Distance Not Available
Site Comments Hillingdon Hayes, located on the corner of N Hyde Road and N Hyde Gardens. The site is Roadside and is located just off the busy A437. The site currently measures NOx, NO, NO2 and PM10 (unheated BAM).

Monitoring Networks

Hillingdon Monitoring Network

Parameter Date Started Date Ended
Nitric Oxide 21/04/2008 -
Nitrogen dioxide 21/04/2008 -
Oxides of Nitrogen 21/04/2008 -
PM10 Particulate matter 21/04/2008 -
PM10 Particulate matter 21/04/2008 -

Heathrow airwatch

Parameter Date Started Date Ended
Modelled Temperature 01/08/2010 -
Modelled Wind Direction 01/08/2010 -
Modelled Wind Speed 01/08/2010 -
Nitric Oxide 21/04/2008 -
Nitrogen dioxide 21/04/2008 -
Oxides of Nitrogen 21/04/2008 -
PM10 Particulate matter 21/04/2008 -
PM10 Particulate matter 21/04/2008 -