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 07:00 on Monday 20th August 2018
- Low24
- Moderate0
- High0
- Very High0
- No Data1
- 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 Green Gates | LOW (Index 1) | PM10 20/08/2018 06:00 PM2.5 20/08/2018 06:00 NO2 20/08/2018 05:00 |
| Heathrow LHR2 | LOW (Index 1) | NO2 20/08/2018 05:00 PM10 20/08/2018 05:00 PM2.5 20/08/2018 05:00 BC 20/08/2018 05:00 |
| Heathrow Oaks Road | LOW (Index 1) | PM10 20/08/2018 06:00 PM2.5 20/08/2018 06:00 BC 20/08/2018 06:00 NO2 20/08/2018 05:00 |
| Hillingdon 1 - South Ruislip | LOW (Index 1) | 20/08/2018 05:00 |
| Hillingdon Hayes | LOW (Index 2) | 20/08/2018 03:00 |
| Hillingdon Sipson | LOW (Index 1) | 20/08/2018 03:00 |
| Hounslow 2 - Cranford | LOW (Index 1) | 20/08/2018 06:00 |
| Hounslow 4 - Chiswick High Road | LOW (Index 1) | 20/08/2018 05:00 |
| Hounslow Brentford | NO DATA | 19/08/2018 24:00 |
| Hounslow Feltham | LOW (Index 1) | 20/08/2018 05:00 |
| Hounslow Gunnersbury | LOW (Index 1) | 20/08/2018 06:00 |
| Hounslow Hatton Cross | LOW (Index 1) | 20/08/2018 06:00 |
| Hounslow Heston Road | LOW (Index 1) | 20/08/2018 06:00 |
| London Harlington | LOW (Index 1) | O3 20/08/2018 06:00 NO2 20/08/2018 06:00 PM10 20/08/2018 06:00 PM2.5 20/08/2018 06:00 |
| London Hillingdon | LOW (Index 1) | 20/08/2018 05:00 |
| London Hillingdon Harmondsworth | LOW (Index 1) | 20/08/2018 03:00 |
| London Hillingdon Harmondsworth Os | LOW (Index 1) | 20/08/2018 05:00 |
| London Hillingdon Oxford Avenue | LOW (Index 2) | 20/08/2018 06:00 |
| Slough Brands Hill London Road | LOW (Index 1) | 20/08/2018 05:00 |
| Slough Chalvey M4 | LOW (Index 1) | 20/08/2018 05:00 |
| Slough Colnbrook | LOW (Index 1) | 20/08/2018 05:00 |
| Slough Town Centre A4 | NO DATA | 19/08/2018 22:00 |
| Slough Town Centre Wellington Street | LOW (Index 1) | 20/08/2018 05:00 |
| Slough Windmill Bath Road | LOW (Index 1) | 20/08/2018 05:00 |
| Spelthorne Sunbury Cross | LOW (Index 1) | 20/08/2018 06:00 |
