Heathrow Airwatch uses cookies to make the site simpler. Find out more about this
Latest air quality summary
Number of monitoring sites in each pollution band
Heathrow Airwatch was last updated at 21:00 on Monday 3rd August 2020
- Low22
- Moderate0
- High0
- Very High0
- No Data3
- 25
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
Click on a monitoring site from the map above or the text summary below to view the latest data and graphs for the selected site.
Site Summary
| Monitoring site | Band/Index | Last updated |
|---|---|---|
| Heathrow Bath Road | LOW (Index 1) | 03/08/2020 20:00 |
| Heathrow Green Gates | LOW (Index 1) | NO2 03/08/2020 20:00 PM10 03/08/2020 20:00 PM2.5 03/08/2020 20:00 |
| Heathrow LHR2 | LOW (Index 1) | NO2 03/08/2020 20:00 PM10 03/08/2020 20:00 PM2.5 03/08/2020 20:00 BC 03/08/2020 20:00 |
| Heathrow Oaks Road | LOW (Index 1) | NO2 03/08/2020 20:00 PM10 03/08/2020 20:00 PM2.5 03/08/2020 20:00 BC 03/08/2020 20:00 |
| Hillingdon 1 - South Ruislip | LOW (Index 1) | 03/08/2020 20:00 |
| Hillingdon Hayes | LOW (Index 1) | 03/08/2020 06:00 |
| Hillingdon Sipson | LOW (Index 1) | 03/08/2020 09:00 |
| Hounslow 2 - Cranford | NO DATA | 08/04/2020 19:00 |
| Hounslow 4 - Chiswick High Road | LOW (Index 1) | 03/08/2020 20:00 |
| Hounslow Brentford | LOW (Index 1) | 03/08/2020 18:00 |
| Hounslow Feltham | LOW (Index 1) | 03/08/2020 20:00 |
| Hounslow Gunnersbury | LOW (Index 2) | 03/08/2020 20:00 |
| Hounslow Hatton Cross | LOW (Index 1) | 03/08/2020 20:00 |
| Hounslow Heston Road | LOW (Index 1) | 03/08/2020 20:00 |
| London Harlington | LOW (Index 2) | O3 03/08/2020 20:00 NO2 03/08/2020 20:00 PM10 03/08/2020 20:00 PM2.5 03/08/2020 20:00 |
| London Hillingdon | NO DATA | 03/08/2020 14:00 |
| London Hillingdon Harmondsworth | LOW (Index 1) | 03/08/2020 13:00 |
| London Hillingdon Harmondsworth Os | LOW (Index 1) | 03/08/2020 05:00 |
| London Hillingdon Oxford Avenue | NO DATA | 03/08/2020 14:00 |
| Slough Brands Hill London Road | LOW (Index 2) | 03/08/2020 20:00 |
| Slough Chalvey M4 | LOW (Index 1) | 03/08/2020 18:00 |
| Slough Colnbrook | LOW (Index 1) | 03/08/2020 18:00 |
| Slough Town Centre Wellington Street | LOW (Index 1) | 03/08/2020 20:00 |
| Slough Windmill Bath Road | LOW (Index 1) | 03/08/2020 20:00 |
| Spelthorne Sunbury Cross | LOW (Index 1) | 03/08/2020 20:00 |
