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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 12.4 92.5 0 0
Heathrow Oaks Road 12.4 99.7 0 0
London Harlington 12.2 99.7 0 0
London Hillingdon Oxford Avenue 26.0 80.7 4 58

Exceedance history (year to date)

Number Date Monitoring Site Max exceeding
concentration
(µgm-3)
1 22/01/2023 London Hillingdon Oxford Avenue 58.0
2 14/02/2023 London Hillingdon Oxford Avenue 52.0
3 18/08/2023 London Hillingdon Oxford Avenue 56.0
4 06/09/2023 London Hillingdon Oxford Avenue 56.0