London Borough of Hounslow Monitoring Data
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 |
|---|---|---|---|---|---|---|---|
| Hounslow Brentford | n/m | 58 (1 Low) | n/m | 8 (1 Low) | 29 (2 Low) | Low (Index 2) |
24/04/2024 24:00 |
| Hounslow Chiswick | n/m | 50 (1 Low) | n/m | n/a | 21 (2 Low) | Low (Index 2) |
25/04/2024 03:00 |
| Hounslow Feltham | n/m | 28 (1 Low) | n/m | n/m | 18 (2 Low) | Low (Index 2) |
25/04/2024 03:00 |
| Hounslow Gunnersbury | n/m | 47 (1 Low) | n/m | n/m | 24 (2 Low) | Low (Index 2) |
25/04/2024 03:00 |
| Hounslow Hatton Cross | n/m | 21 (1 Low) | n/m | n/m | n/a | Low (Index 1) |
24/04/2024 16:00 |
| Hounslow Heston | n/m | 47 (1 Low) | n/m | n/m | 18 (2 Low) | Low (Index 2) |
25/04/2024 02:00 |
» 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The following monitoring sites are no longer active in this local authority, but you can still access information about them by clicking on their names below.
| Monitoring Site | Date Ended |
|---|---|
| Hounslow Boston Manor Park [Closed] (HS010) | 05/03/2020 |
| Hounslow Cranford [Closed] (HS2) | 08/04/2020 |
| Brentford Roadside [Closed] (BRN) | 30/09/2007 |
| Hounslow Roadside [Closed] (HS1) | 16/11/2002 |
LOW ( Index 2)
| Very High | 10 |
| High | 9 |
| 8 | |
| 7 | |
| Moderate | 6 |
| 5 | |
| 4 | |
| Low | 3 |
| 2 | |
| 1 |
Guide to map markers:
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