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 4pm Sun 30th Mar 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/m5 (1 Low)n/m10 (1 Low)n/m 30/03/2025
16:00:00
Blackburn Accrington Road
Timeseries Graph
n/m11 (1 Low)n/mn/mn/m 30/03/2025
16:00:00
Blackburn Audley Park
Timeseries Graph
78 (3 Low)n/mn/m9 (1 Low)16 (1 Low)
*2
30/03/2025
16:00:00
Blackpool Marton
Timeseries Graph
81 (3 Low)2 (1 Low)n/m11 (1 Low)22 (2 Low)
*2
30/03/2025
16:00:00
Blackpool Whitegate Drive
Timeseries Graph
n/mn/mn/m13 (2 Low)n/m 30/03/2025
16:00:00
Bury Whitefield Roadside
Timeseries Graph
n/m2 (1 Low)n/mn/m23 (2 Low)
*1
30/03/2025
16:00:00
Carlisle Morton A595
Timeseries Graph
n/mn/an/m7 (1 Low)16 (1 Low)
*1
30/03/2025
16:00:00
Crewe Coppenhall
Timeseries Graph
84 (3 Low)1 (1 Low)n/m8 (1 Low)15 (1 Low)
*2
30/03/2025
16:00:00
Glazebury
Timeseries Graph
82 (3 Low)0 (1 Low)n/m8 (1 Low)14 (1 Low)
*2
30/03/2025
16:00:00
Liverpool Speke
Timeseries Graph
69 (3 Low)2 (1 Low)1 (1 Low)9 (1 Low)22 (2 Low)
*1
30/03/2025
16:00:00
Liverpool Thirlmere Park
Timeseries Graph
79 (3 Low)n/mn/m10 (1 Low)18 (2 Low)
*2
30/03/2025
16:00:00
Manchester Piccadilly
Timeseries Graph
78 (3 Low)6 (1 Low)1 (1 Low)10 (1 Low)19 (2 Low)
*2
30/03/2025
16:00:00
Manchester Sharston
Timeseries Graph
75 (3 Low)3 (1 Low)n/m9 (1 Low)17 (2 Low)
*2
30/03/2025
16:00:00
Middlewich St Michael's Way
Timeseries Graph
n/mn/mn/m8 (1 Low)n/m 30/03/2025
16:00:00
Preston
Timeseries Graph
79 (3 Low)8 (1 Low)n/m9 (1 Low)19 (2 Low)
*2
30/03/2025
16:00:00
Salford Eccles
Timeseries Graph
84 (3 Low)3 (1 Low)n/m10 (1 Low)20 (2 Low)
*2
30/03/2025
16:00:00
Shaw Crompton Way
Timeseries Graph
n/m7 (1 Low)n/mn/mn/m 30/03/2025
16:00:00
St Helens Linkway
Timeseries Graph
n/m7 (1 Low)n/mn/mn/a 30/03/2025
16:00:00
Warrington
Timeseries Graph
n/m1 (1 Low)n/m8 (1 Low)20 (2 Low)
*1
30/03/2025
16:00:00
Widnes Milton Road
Timeseries Graph
n/m9 (1 Low)n/mn/mn/m 30/03/2025
16:00:00
Wigan Centre
Timeseries Graph
80 (3 Low)2 (1 Low)n/m9 (1 Low)17 (2 Low)
*2
30/03/2025
16:00:00
Wirral Tranmere
Timeseries Graph
79 (3 Low)1 (1 Low)n/m9 (1 Low)17 (2 Low)
*2
30/03/2025
16:00:00

» 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