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 2am Sun 6th Jul 2025

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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/m3 (1 Low)n/m3 (1 Low)n/m 06/07/2025
03:00:00
Blackburn Accrington Road
Timeseries Graph
n/m7 (1 Low)n/mn/mn/m 06/07/2025
02:00:00
Blackburn Audley Park
Timeseries Graph
44 (2 Low)n/mn/m3 (1 Low)5 (1 Low)
*2
06/07/2025
02:00:00
Blackpool Marton
Timeseries Graph
48 (2 Low)4 (1 Low)n/m5 (1 Low)10 (1 Low)
*2
06/07/2025
03:00:00
Blackpool Whitegate Drive
Timeseries Graph
n/mn/mn/m6 (1 Low)n/m 06/07/2025
02:00:00
Bury Whitefield Roadside
Timeseries Graph
n/m10 (1 Low)n/mn/m9 (1 Low)
*1
06/07/2025
02:00:00
Carlisle Morton A595
Timeseries Graph
n/m2 (1 Low)n/m4 (1 Low)6 (1 Low)
*1
06/07/2025
03:00:00
Crewe Coppenhall
Timeseries Graph
48 (2 Low)3 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
06/07/2025
03:00:00
Glazebury
Timeseries Graph
44 (2 Low)11 (1 Low)n/m2 (1 Low)4 (1 Low)
*2
06/07/2025
03:00:00
Liverpool Speke
Timeseries Graph
50 (2 Low)8 (1 Low)1 (1 Low)5 (1 Low)8 (1 Low)
*1
06/07/2025
03:00:00
Liverpool Thirlmere Park
Timeseries Graph
49 (2 Low)n/mn/m2 (1 Low)5 (1 Low)
*2
06/07/2025
02:00:00
Manchester Piccadilly
Timeseries Graph
42 (2 Low)16 (1 Low)2 (1 Low)n/an/a 06/07/2025
03:00:00
Manchester Sharston
Timeseries Graph
41 (2 Low)8 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
06/07/2025
02:00:00
Middlewich St Michael's Way
Timeseries Graph
n/mn/mn/m2 (1 Low)n/m 06/07/2025
02:00:00
Preston
Timeseries Graph
43 (2 Low)4 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
06/07/2025
03:00:00
Salford Eccles
Timeseries Graph
49 (2 Low)8 (1 Low)n/m4 (1 Low)7 (1 Low)
*2
06/07/2025
03:00:00
Shaw Crompton Way
Timeseries Graph
n/m13 (1 Low)n/mn/mn/m 06/07/2025
02:00:00
St Helens Linkway
Timeseries Graph
n/m11 (1 Low)n/mn/m3 (1 Low)
*1
06/07/2025
03:00:00
Tameside A635 Manchester Road
Timeseries Graph
n/mn/mn/mn/an/m 02/07/2025
14:00:00
Warrington
Timeseries Graph
n/mn/an/m1 (1 Low)5 (1 Low)
*1
06/07/2025
02:00:00
Widnes Milton Road
Timeseries Graph
n/m8 (1 Low)n/mn/mn/m 06/07/2025
02:00:00
Wigan Centre
Timeseries Graph
49 (2 Low)5 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
06/07/2025
03:00:00
Wirral Tranmere
Timeseries Graph
43 (2 Low)2 (1 Low)n/m3 (1 Low)5 (1 Low)
*2
06/07/2025
03:00:00

» 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