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Latest air quality summary
Number of monitoring sites in each pollution band
Heathrow Airwatch was last updated at 14:00 on Thursday 25th April 2024
- Low22
- Moderate0
- High0
- Very High0
- No Data0
- 22
Total monitoring sites
Low (1-3)
Moderate (4-6)
High (7-9)
Very High (10)
Offline |
Find out more about the air pollution index and bandings
London Hillingdon Harmondsworth
| Site Information | |
|---|---|
| Environment Type | Not Available |
| Coordinates (Lat/Long) | 51.487900, -0.480900 |
| Altitude | Not Available |
| Kerb Distance | Not Available |
| Site Comments | The site is in Hillingdon area |
Monitoring Networks
Hillingdon Monitoring Network
| Parameter | Date Started | Date Ended |
|---|---|---|
| Mean windspeed | 01/07/2007 | 13/11/2007 |
| Nitric Oxide | 01/07/2007 | - |
| Nitrogen dioxide | 01/07/2007 | - |
| Oxides of Nitrogen | 01/07/2007 | - |
| PM1 Particulates | 01/07/2007 | - |
| PM10 Particulate matter | 01/07/2007 | - |
| PM10 Particulate matter | 01/07/2007 | - |
| PM2.5 Particulate matter | 01/07/2007 | - |
| Wind direction | 01/07/2007 | 01/07/2007 |
Heathrow airwatch
| Parameter | Date Started | Date Ended |
|---|---|---|
| Mean windspeed | 01/07/2007 | 13/11/2007 |
| Modelled Temperature | 01/08/2010 | - |
| Modelled Wind Direction | 01/08/2010 | - |
| Modelled Wind Speed | 01/08/2010 | - |
| Nitric Oxide | 01/07/2007 | - |
| Nitrogen dioxide | 01/07/2007 | - |
| Oxides of Nitrogen | 01/07/2007 | - |
| PM1 Particulates | 01/07/2007 | - |
| PM10 Particulate matter | 01/07/2007 | - |
| PM10 Particulate matter | 01/07/2007 | - |
| PM2.5 Particulate matter | 01/07/2007 | - |
| Wind direction | 01/07/2007 | 01/07/2007 |
