Latest measured levels based on data provided by the Environment Agency
Here you can view the detailed data behind the latest measurement summary displayed on UK-AIR, and also a summary of information that has been displayed over the previous 24 hours. The detailed data tabulated below are from monitoring sites within the AURN. Graphs of hourly monitoring data are also available to view as weekly time series. You can also subscribe to this information as an email alert.
- View the legend
- Pollutant levels recorded for the hour up to 9pm Tue 15th Jul 2025
North West & Merseyside
| Latest measured levels based on data provided by the Environment Agency | ||||||
|---|---|---|---|---|---|---|
| Monitoring site | Running 8 Hour mean Ozone (µgm-3) |
Hourly mean Nitrogen dioxide (µgm-3) |
Max 15 min mean Sulphur dioxide (µgm-3) |
Running 24 Hour mean PM2.5 Particles (µgm-3) |
Running 24 Hour mean PM10 Particles (µgm-3) |
Last updated |
| Birkenhead Borough Road Timeseries Graph |
n/m | 5 (1 Low) | n/m | 3 (1 Low) | n/m | 15/07/2025 21:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 9 (1 Low) | n/m | n/m | n/m | 15/07/2025 21:00:00 |
| Blackburn Audley Park Timeseries Graph |
50 (2 Low) | n/m | n/m | 3 (1 Low) | 7 (1 Low) *2 | 15/07/2025 21:00:00 |
| Blackpool Marton Timeseries Graph |
60 (2 Low) | 4 (1 Low) | n/m | 5 (1 Low) | 12 (1 Low) *2 | 15/07/2025 21:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 6 (1 Low) | n/m | 15/07/2025 21:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 15 (1 Low) | n/m | n/m | 12 (1 Low) *1 | 15/07/2025 21:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 3 (1 Low) | n/m | 5 (1 Low) | 6 (1 Low) *1 | 15/07/2025 21:00:00 |
| Crewe Coppenhall Timeseries Graph |
50 (2 Low) | 3 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 21:00:00 |
| Glazebury Timeseries Graph |
n/a | 8 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 15/07/2025 21:00:00 |
| Liverpool Speke Timeseries Graph |
n/a | n/a | n/a | n/a | n/a | 15/07/2025 16:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
51 (2 Low) | n/m | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 21:00:00 |
| Manchester Piccadilly Timeseries Graph |
34 (2 Low) | 14 (1 Low) | 1 (1 Low) | n/a | n/a | 15/07/2025 21:00:00 |
| Manchester Sharston Timeseries Graph |
39 (2 Low) | 4 (1 Low) | n/m | 4 (1 Low) | 9 (1 Low) *2 | 15/07/2025 21:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 4 (1 Low) | n/m | 15/07/2025 21:00:00 |
| Preston Timeseries Graph |
52 (2 Low) | 8 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 21:00:00 |
| Salford Eccles Timeseries Graph |
45 (2 Low) | 6 (1 Low) | n/m | 5 (1 Low) | 11 (1 Low) *2 | 15/07/2025 21:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 12 (1 Low) | n/m | n/m | n/m | 15/07/2025 21:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | n/a | n/m | n/m | 9 (1 Low) *1 | 15/07/2025 21:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | n/a | n/m | 15/07/2025 02:00:00 |
| Warrington Timeseries Graph |
n/m | 8 (1 Low) | n/m | 5 (1 Low) | 9 (1 Low) *1 | 15/07/2025 21:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 14 (1 Low) | n/m | n/m | n/m | 15/07/2025 21:00:00 |
| Wigan Centre Timeseries Graph |
48 (2 Low) | 7 (1 Low) | n/m | 4 (1 Low) | 8 (1 Low) *2 | 15/07/2025 21:00:00 |
| Wirral Tranmere Timeseries Graph |
52 (2 Low) | 3 (1 Low) | n/m | 3 (1 Low) | 7 (1 Low) *2 | 15/07/2025 21:00:00 |
» View the latest regional summary for this region
Legend
- n/m means that the pollutant is not measured at that site
- n/a means that no data were recorded for the period
- *1: measurements are PM10 BAM 1020 heated
- *2: measurements are PM10 FIDAS
- *3: measurements are PM10 SEQ 47/50