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 8am Wed 21st May 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 | 13 (1 Low) | n/m | 12 (2 Low) | n/m | 21/05/2025 08:00:00 |
| Blackburn Accrington Road Timeseries Graph |
n/m | 24 (1 Low) | n/m | n/m | n/m | 21/05/2025 08:00:00 |
| Blackburn Audley Park Timeseries Graph |
60 (2 Low) | n/m | n/m | 12 (2 Low) | 19 (2 Low) *2 | 21/05/2025 08:00:00 |
| Blackpool Marton Timeseries Graph |
93 (3 Low) | 6 (1 Low) | n/m | 11 (1 Low) | 17 (2 Low) *2 | 21/05/2025 08:00:00 |
| Blackpool Whitegate Drive Timeseries Graph |
n/m | n/m | n/m | 13 (2 Low) | n/m | 21/05/2025 08:00:00 |
| Bury Whitefield Roadside Timeseries Graph |
n/m | 33 (1 Low) | n/m | n/m | 22 (2 Low) *1 | 21/05/2025 08:00:00 |
| Carlisle Morton A595 Timeseries Graph |
n/m | 9 (1 Low) | n/m | 8 (1 Low) | 17 (2 Low) *1 | 21/05/2025 08:00:00 |
| Crewe Coppenhall Timeseries Graph |
64 (2 Low) | 9 (1 Low) | n/m | 11 (1 Low) | 18 (2 Low) *2 | 21/05/2025 08:00:00 |
| Glazebury Timeseries Graph |
42 (2 Low) | 14 (1 Low) | n/m | 9 (1 Low) | 15 (1 Low) *2 | 21/05/2025 08:00:00 |
| Liverpool Speke Timeseries Graph |
80 (3 Low) | 17 (1 Low) | 1 (1 Low) | 14 (2 Low) | 22 (2 Low) *1 | 21/05/2025 08:00:00 |
| Liverpool Thirlmere Park Timeseries Graph |
86 (3 Low) | n/m | n/m | 12 (2 Low) | 24 (2 Low) *2 | 21/05/2025 08:00:00 |
| Manchester Piccadilly Timeseries Graph |
64 (2 Low) | 29 (1 Low) | 1 (1 Low) | 12 (2 Low) | 26 (2 Low) *2 | 21/05/2025 08:00:00 |
| Manchester Sharston Timeseries Graph |
49 (2 Low) | 28 (1 Low) | n/m | 10 (1 Low) | 17 (2 Low) *2 | 21/05/2025 08:00:00 |
| Middlewich St Michael's Way Timeseries Graph |
n/m | n/m | n/m | 12 (2 Low) | n/m | 21/05/2025 08:00:00 |
| Preston Timeseries Graph |
65 (2 Low) | 24 (1 Low) | n/m | 11 (1 Low) | 18 (2 Low) *2 | 21/05/2025 08:00:00 |
| Salford Eccles Timeseries Graph |
64 (2 Low) | 27 (1 Low) | n/m | 14 (2 Low) | 25 (2 Low) *2 | 21/05/2025 08:00:00 |
| Shaw Crompton Way Timeseries Graph |
n/m | 27 (1 Low) | n/m | n/m | n/m | 21/05/2025 08:00:00 |
| St Helens Linkway Timeseries Graph |
n/m | 25 (1 Low) | n/m | n/m | 19 (2 Low) *1 | 21/05/2025 08:00:00 |
| Tameside A635 Manchester Road Timeseries Graph |
n/m | n/m | n/m | 10 (1 Low) | n/m | 21/05/2025 08:00:00 |
| Warrington Timeseries Graph |
n/m | 13 (1 Low) | n/m | 8 (1 Low) | 21 (2 Low) *1 | 21/05/2025 08:00:00 |
| Widnes Milton Road Timeseries Graph |
n/m | 29 (1 Low) | n/m | n/m | n/m | 21/05/2025 08:00:00 |
| Wigan Centre Timeseries Graph |
66 (2 Low) | 15 (1 Low) | n/m | 11 (1 Low) | 21 (2 Low) *2 | 21/05/2025 08:00:00 |
| Wirral Tranmere Timeseries Graph |
72 (3 Low) | 7 (1 Low) | n/m | 11 (1 Low) | 17 (2 Low) *2 | 21/05/2025 08:00:00 |
» 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