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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 | 13.8 | 99.5 | 2 | 54 |
| Heathrow Oaks Road | 14.4 | 95.7 | 2 | 63 |
| London Harlington | 13.9 | 97.8 | 2 | 55 |
| London Hillingdon Oxford Avenue | 20.8 | 92.5 | 1 | 53 |
Exceedance history (year to date)
| Number | Date | Monitoring Site | Max exceeding concentration (µgm-3) |
|---|---|---|---|
| 1 | 24/03/2022 | Heathrow Green Gates | 54.0 |
| 2 | 24/03/2022 | Heathrow Oaks Road | 63.0 |
| 3 | 24/03/2022 | London Harlington | 52.0 |
| 4 | 25/03/2022 | Heathrow Green Gates | 54.0 |
| 5 | 25/03/2022 | Heathrow Oaks Road | 57.0 |
| 6 | 25/03/2022 | London Harlington | 55.0 |
| 7 | 25/03/2022 | London Hillingdon Oxford Avenue | 53.0 |
