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Latest air quality summary

Number of monitoring sites in each pollution band

Heathrow Airwatch was last updated at 14:00 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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Spelthorne Sunbury Cross

Site Information
Environment Type Urban Background
Coordinates (Lat/Long) 51.420250, -0.418515
Altitude 13m
Kerb Distance 17
Site Comments Site located in residential street adjacent to small car park and strip of grassed field. Close to M3 J1 and busy Sunbury Cross roundabout.

Monitoring Networks

Heathrow airwatch

Parameter Date Started Date Ended
Modelled Temperature 10/01/2017 -
Modelled Wind Direction 10/01/2017 -
Modelled Wind Speed 10/01/2017 -
Nitric Oxide 10/01/2017 -
Nitrogen dioxide 10/01/2017 -
Oxides of Nitrogen 10/01/2017 -
PM1 Particulates 10/01/2017 -
PM10 Particulate matter 10/01/2017 -
PM2.5 Particulate matter 10/01/2017 -
PM2.5 Particulate matter 10/01/2017 -
Total Particulates 10/01/2017 -