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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 13.1 91.0 0 0
Heathrow Oaks Road 12.5 98.7 0 0
London Harlington 11.3 98.7 1 54
London Hillingdon Oxford Avenue 22.8 93.6 0 0

Exceedance history (year to date)

Number Date Monitoring Site Max exceeding
concentration
(µgm-3)
1 08/03/2024 London Harlington 54.0