Latest air quality summary

Number of monitoring sites in each pollution band

Heathrow Airwatch was last updated at 21:00 on Sunday 19th May 2024

  • Low20
  • Moderate1
  • 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 1 - South Ruislip

Site Information
Environment Type Roadside
Coordinates (Lat/Long) 51.552260, -0.402780
Altitude Not Available
Kerb Distance Not Available
Site Comments The site is in Hillingdon area

Monitoring Networks

Hillingdon Monitoring Network

Parameter Date Started Date Ended
21/09/1999 -
Mean windspeed 21/09/1999 21/07/2017
Nitric Oxide 21/09/1999 -
Nitrogen dioxide 21/09/1999 -
Oxides of Nitrogen 21/09/1999 -
PM10 Particulate matter 21/09/1999 -
PM10 Particulate matter 21/09/1999 -
Temperature 21/09/1999 24/05/2018
Wind direction 21/09/1999 21/07/2017

Heathrow airwatch

Parameter Date Started Date Ended
21/09/1999 21/09/1999
Mean windspeed 21/09/1999 21/07/2017
Modelled Temperature 01/08/2010 -
Modelled Wind Direction 01/08/2010 -
Modelled Wind Speed 01/08/2010 -
Nitric Oxide 21/09/1999 -
Nitrogen dioxide 21/09/1999 -
Oxides of Nitrogen 21/09/1999 -
PM10 Particulate matter 21/09/1999 -
PM10 Particulate matter 21/09/1999 -
Temperature 21/09/1999 24/01/2014
Wind direction 21/09/1999 21/07/2017