Heathrow Airwatch uses cookies to make the site simpler. Find out more about this

Compliance Dashboard

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

NO2

Summary (year to date)

Monitoring Site Annual mean (µgm-3) Data Capture Number of hours exceeding Max hourly exceedance (µgm-3)
Heathrow Green Gates 38.3 99.3 0 n/a
Heathrow Oaks Road 28.7 99.5 0 n/a
London Harlington 32.1 99.8 0 n/a
London Hillingdon Oxford Avenue 42.7 97.0 0 n/a

Exceedance history (year to date)

There are no exceedances to show