Latest air quality summary
Number of monitoring sites in each pollution band
Heathrow Airwatch was last updated at 19:00 on Sunday 19th May 2024
- Low20
- Moderate1
- High0
- Very High0
- No Data1
- 22
Total monitoring sites
Low (1-3)
Moderate (4-6)
High (7-9)
Very High (10)
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Find out more about the air pollution index and bandings
Heathrow Green Gates
| Site Information | |
|---|---|
| Environment Type | Not Available |
| Coordinates (Lat/Long) | 51.481478, -0.486675 |
| Altitude | Not Available |
| Kerb Distance | Not Available |
| Site Comments | The site is in Hillingdon area |
Monitoring Networks
Heathrow airwatch
| Parameter | Date Started | Date Ended |
|---|---|---|
| Modelled Temperature | 01/08/2010 | - |
| Modelled Wind Direction | 01/08/2010 | - |
| Modelled Wind Speed | 01/08/2010 | - |
| Nitric Oxide | 04/05/2001 | - |
| Nitrogen dioxide | 04/05/2001 | - |
| Oxides of Nitrogen | 04/05/2001 | - |
| PM1 Particulates | 24/06/2014 | - |
| PM10 Particulate matter | 04/05/2001 | 23/06/2014 |
| PM10 Particulate matter | 04/05/2001 | - |
| PM2.5 Particulate matter | 04/05/2001 | - |
| PM2.5 Particulate matter | 24/06/2014 | - |
| Total Particulates | 24/06/2014 | - |
