Greater London Monitoring Data
Use the tabs below to explore information about the current and historic air pollution levels in this local authority.
You can select another local authority using the dropdown menu.
Use the map above to explore the monitoring sites in for this local authority and the surrounding area. The table below shows a summary of sites within this local authority - you can click on the site names to get more detailed information.
Active local authority funded monitoring sites
| Monitoring Site | Ozone (O3) |
Nitrogen Dioxide (NO2) |
Sulphur Dioxide (SO2) |
Particulate Matter (PM2.5) |
Particulate Matter (PM10) |
Highest Pollution Band | Last Updated |
|---|---|---|---|---|---|---|---|
| Cam Road | n/m | 9 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Chelsea | n/m | 9 (1 Low) | n/m | n/m | n/m | Low (Index 1) |
03/04/2020 03:00 |
| Cromwell Road | n/m | 10 (1 Low) | n/m | n/m | n/a | Low (Index 1) |
03/04/2020 03:00 |
| Earls Court Road | n/m | 21 (1 Low) | n/m | n/m | 14 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Hammersmith Town Centre | 53 (2 Low) | 16 (1 Low) | n/m | 8 (1 Low) | 10 (1 Low) | Low (Index 2) |
03/04/2020 03:00 |
| Heathrow Bath Road | n/m | 75 (2 Low) | n/m | 11 (1 Low) | 19 (2 Low) | Low (Index 2) |
23/03/2020 24:00 |
| Heathrow Green Gates | n/m | 15 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Heathrow LHR2 | n/m | 16 (1 Low) | n/m | 4 (1 Low) | 7 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Hillingdon 1 - South Ruislip | n/m | 6 (1 Low) | n/m | n/m | 8 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Hillingdon Sipson | n/m | 7 (1 Low) | n/m | n/m | n/m | Low (Index 1) |
03/04/2020 03:00 |
| Hounslow Boston Manor Park | n/m | 21 (1 Low) | n/m | n/m | 10 (1 Low) | Low (Index 1) |
05/03/2020 14:00 |
| Hounslow Brentford | n/m | 15 (1 Low) | n/m | n/a | n/a | Low (Index 1) |
03/04/2020 03:00 |
| Hounslow Chiswick | n/m | 37 (1 Low) | n/m | n/a | n/a | Low (Index 1) |
03/04/2020 03:00 |
| Hounslow Cranford | 44 (2 Low) | 14 (1 Low) | 0 (1 Low) | n/m | 10 (1 Low) | Low (Index 2) |
03/04/2020 03:00 |
| Hounslow Feltham | n/m | 17 (1 Low) | n/m | n/m | 14 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Hounslow Gunnersbury | n/m | 5 (1 Low) | n/m | n/m | 13 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Hounslow Hatton Cross | n/m | 13 (1 Low) | n/m | n/m | 9 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Hounslow Heston | n/m | 4 (1 Low) | n/m | n/m | 12 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Knightsbridge | n/m | 10 (1 Low) | n/m | n/m | n/m | Low (Index 1) |
03/04/2020 03:00 |
| London Barnet Chalgrove School | n/m | 5 (1 Low) | n/m | n/m | 8 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| London Hillingdon Harmondsworth | n/m | 9 (1 Low) | n/m | n/m | 13 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| London Hillingdon Harmondsworth Os | n/m | n/m | n/m | 2 (1 Low) | 8 (1 Low) | Low (Index 1) |
02/04/2020 24:00 |
| London Hillingdon Hayes | n/m | 17 (1 Low) | n/m | n/m | 21 (2 Low) | Low (Index 2) |
03/04/2020 03:00 |
| London Hillingdon Oxford Avenue | n/m | 30 (1 Low) | n/m | n/m | 15 (1 Low) | Low (Index 1) |
03/04/2020 02:00 |
| Shepherd's Bush | n/m | 25 (1 Low) | n/m | n/m | 14 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Tally Ho | n/m | 7 (1 Low) | n/m | n/m | 12 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Tower Hamlets - Blackwall | 51 (2 Low) | 23 (1 Low) | n/m | 4 (1 Low) | 12 (1 Low) | Low (Index 2) |
03/04/2020 03:00 |
| Tower Hamlets - Millwall Park | 41 (2 Low) | 18 (1 Low) | n/m | n/m | 10 (1 Low) | Low (Index 2) |
02/04/2020 11:00 |
| Tower Hamlets - Roadside | n/m | n/m | n/m | 8 (1 Low) | n/m | Low (Index 1) |
02/04/2020 18:00 |
| Tower Hamlets - Victoria Park | n/m | 20 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Waltham Crooked Billet | n/m | 9 (1 Low) | n/m | n/m | 16 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Waltham Forest Dawlish Rd | n/m | 6 (1 Low) | n/m | 6 (1 Low) | 9 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Waltham Forest Leyton | n/m | 23 (1 Low) | n/m | n/m | 12 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Wren Close | n/m | 13 (1 Low) | n/m | 5 (1 Low) | 15 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Camden Kerbside | n/m | 12 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Ealing Horn Lane | n/m | n/m | n/m | n/m | 15 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| Haringey Roadside | n/m | 9 (1 Low) | n/m | n/m | n/m | Low (Index 1) |
03/04/2020 03:00 |
| London Bexley | n/m | 14 (1 Low) | n/m | 7 (1 Low) | n/m | Low (Index 1) |
03/04/2020 03:00 |
| London Bloomsbury | 20 (1 Low) | 17 (1 Low) | 2 (1 Low) | 5 (1 Low) | 10 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| London Eltham | 57 (2 Low) | 7 (1 Low) | n/m | 6 (1 Low) | n/m | Low (Index 2) |
03/04/2020 03:00 |
| London Haringey Priory Park South | 61 (2 Low) | 5 (1 Low) | n/m | n/m | n/m | Low (Index 2) |
03/04/2020 03:00 |
| London Harlington | 51 (2 Low) | 22 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) | Low (Index 2) |
03/04/2020 03:00 |
| London Hillingdon | 54 (2 Low) | 17 (1 Low) | n/m | n/m | n/m | Low (Index 2) |
03/04/2020 03:00 |
| London Honor Oak Park | n/m | n/m | n/m | 5 (1 Low) | 8 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| London Marylebone Road | 41 (2 Low) | 9 (1 Low) | 2 (1 Low) | 5 (1 Low) | 9 (1 Low) | Low (Index 2) |
03/04/2020 03:00 |
| London N. Kensington | 58 (2 Low) | 18 (1 Low) | 19 (1 Low) | 4 (1 Low) | 8 (1 Low) | Low (Index 2) |
03/04/2020 03:00 |
| London Teddington Bushy Park | n/m | n/m | n/m | 5 (1 Low) | 10 (1 Low) | Low (Index 1) |
03/04/2020 03:00 |
| London Westminster | n/m | 11 (1 Low) | n/m | 7 (1 Low) | n/m | Low (Index 1) |
03/04/2020 03:00 |
| Southwark A2 Old Kent Road | n/m | 7 (1 Low) | n/m | n/m | n/a | Low (Index 1) |
03/04/2020 03:00 |
| Tower Hamlets Roadside | n/m | 14 (1 Low) | n/m | n/m | n/m | Low (Index 1) |
03/04/2020 03:00 |
» Visit the Defra UK-AIR website for details of Defra funded AURN monitoring sites
Closed local authority funded monitoring sites
The following monitoring sites are no longer active in this local authority, but you can still access information about them by clicking on their names below.
Overall Pollution Summary:
NO DATA
NO DATA
| Very High | 10 |
| High | 9 |
| 8 | |
| 7 | |
| Moderate | 6 |
| 5 | |
| 4 | |
| Low | 3 |
| 2 | |
| 1 |
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