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.
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 |