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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 99.7 1 66
Heathrow Oaks Road 15.4 99.1 1 64
London Harlington 15.7 79.8 1 70
London Hillingdon Oxford Avenue 23.8 94.6 2 64

Exceedance history (year to date)

Number Date Monitoring Site Max exceeding
concentration
(µgm-3)
1 03/03/2018 Heathrow Green Gates 66.0
2 03/03/2018 Heathrow Oaks Road 64.0
3 03/03/2018 London Harlington 70.0
4 03/03/2018 London Hillingdon Oxford Avenue 64.0
5 05/11/2018 London Hillingdon Oxford Avenue 54.0