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 | 11.9 | 97.6 | 0 | 0 |
Heathrow Oaks Road | 11.9 | 99.0 | 0 | 0 |
London Harlington | 11.8 | 99.7 | 3 | 131 |
London Hillingdon Oxford Avenue | 17.6 | 96.9 | 0 | 0 |
Exceedance history (year to date)
Number | Date | Monitoring Site | Max exceeding concentration (µgm-3) |
---|---|---|---|
1 | 08/03/2024 | London Harlington | 54.0 |
2 | 10/07/2024 | London Harlington | 66.0 |
3 | 11/07/2024 | London Harlington | 131.0 |