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 17:00 on Monday 18th November 2019
- Low26
- Moderate0
- High0
- Very High0
- No Data0
- 26
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 18/11/2019 17:00 PM2.5 18/11/2019 17:00 NO2 18/11/2019 16:00 |
| Heathrow LHR2 | LOW (Index 2) | NO2 18/11/2019 16:00 PM10 18/11/2019 16:00 PM2.5 18/11/2019 16:00 BC 18/11/2019 16:00 |
| Heathrow Oaks Road | LOW (Index 2) | PM10 18/11/2019 17:00 PM2.5 18/11/2019 17:00 BC 18/11/2019 17:00 NO2 13/11/2019 10:00 |
| Hillingdon 1 - South Ruislip | LOW (Index 2) | 18/11/2019 16:00 |
| Hillingdon Hayes | LOW (Index 2) | 18/11/2019 07:00 |
| Hillingdon Sipson | LOW (Index 1) | 18/11/2019 07:00 |
| Hounslow 2 - Cranford | LOW (Index 2) | 18/11/2019 17:00 |
| Hounslow 4 - Chiswick High Road | LOW (Index 2) | 18/11/2019 16:00 |
| Hounslow Boston Manor Park | LOW (Index 1) | 18/11/2019 17:00 |
| Hounslow Brentford | NO DATA | 18/11/2019 13:00 |
| Hounslow Feltham | LOW (Index 2) | 18/11/2019 17:00 |
| Hounslow Gunnersbury | LOW (Index 2) | 18/11/2019 16:00 |
| Hounslow Hatton Cross | LOW (Index 2) | 18/11/2019 16:00 |
| Hounslow Heston Road | LOW (Index 2) | 18/11/2019 17:00 |
| London Harlington | LOW (Index 2) | O3 18/11/2019 17:00 NO2 18/11/2019 17:00 PM10 18/11/2019 17:00 PM2.5 18/11/2019 17:00 |
| London Hillingdon | LOW (Index 2) | 18/11/2019 16:00 |
| London Hillingdon Harmondsworth | LOW (Index 1) | 18/11/2019 14:00 |
| London Hillingdon Harmondsworth Os | LOW (Index 1) | 18/11/2019 06:00 |
| London Hillingdon Oxford Avenue | LOW (Index 2) | 18/11/2019 16:00 |
| Slough Brands Hill London Road | LOW (Index 3) | 18/11/2019 16:00 |
| Slough Chalvey M4 | LOW (Index 1) | 18/11/2019 16:00 |
| Slough Colnbrook | LOW (Index 1) | 18/11/2019 16:00 |
| Slough Town Centre A4 | LOW (Index 2) | 18/11/2019 10:00 |
| Slough Town Centre Wellington Street | LOW (Index 2) | 18/11/2019 17:00 |
| Slough Windmill Bath Road | LOW (Index 3) | 18/11/2019 16:00 |
| Spelthorne Sunbury Cross | LOW (Index 2) | 18/11/2019 17:00 |
