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Compliance Dashboard

Note: This dashboard only shows data from the monitoring sites at Heathrow Airport.

PM10

Summary (year to date)

Monitoring Site Annual mean (µgm-3) Data Capture (%) Number of days exceeding Max daily exceedance (µgm-3)
Heathrow Green Gates 13.8 99.5 2 54
Heathrow Oaks Road 14.4 95.7 2 63
London Harlington 13.9 97.8 2 55
London Hillingdon Oxford Avenue 20.8 92.5 1 53

Exceedance history (year to date)

Number Date Monitoring Site Max exceeding
concentration
(µgm-3)
1 24/03/2022 Heathrow Green Gates 54.0
2 24/03/2022 Heathrow Oaks Road 63.0
3 24/03/2022 London Harlington 52.0
4 25/03/2022 Heathrow Green Gates 54.0
5 25/03/2022 Heathrow Oaks Road 57.0
6 25/03/2022 London Harlington 55.0
7 25/03/2022 London Hillingdon Oxford Avenue 53.0