Royal Borough of Windsor & Maidenhead 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 |
|---|---|---|---|---|---|---|---|
| Bray A308 (sensor) | n/m | 37 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) | Low (Index 1) |
21/11/2024 10:00 |
| Frascati Way | n/m | n/a | n/m | n/m | n/a | No Data | 12/09/2024 21:00 |
| Maidenhead Bridge Road (sensor) | n/m | 56 (1 Low) | n/m | 6 (1 Low) | 13 (1 Low) | Low (Index 1) |
21/11/2024 10:00 |
| Windsor A332 (sensor) | n/m | 1 (1 Low) | n/m | 6 (1 Low) | 15 (1 Low) | Low (Index 1) |
21/11/2024 10:00 |
| Windsor St Leonards Road (sensor) | n/m | 51 (1 Low) | n/m | 5 (1 Low) | 10 (1 Low) | Low (Index 1) |
21/11/2024 10:00 |
| Wraysbury M25 (sensor) | n/m | 69 (2 Low) | n/m | 7 (1 Low) | 13 (1 Low) | Low (Index 2) |
21/11/2024 10:00 |
» Visit the Defra UK-AIR website for details of Defra funded AURN monitoring sites
Overall Pollution Summary:
LOW ( Index 2)
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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