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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 | 36.8 | 97.6 | 0 | n/a |
| Heathrow Oaks Road | 32.0 | 99.5 | 0 | n/a |
| London Harlington | 44.1 | 95.8 | 0 | n/a |
| London Hillingdon Oxford Avenue | 32.6 | 99.8 | 0 | n/a |
Exceedance history (year to date)
There are no exceedances to show
