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 11am Sat 21st Dec 2024

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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/m17 (1 Low)n/m5 (1 Low)n/m 21/12/2024
11:00
Blackburn Accrington Road
Timeseries Graph
n/m6 (1 Low)n/mn/mn/m 21/12/2024
11:00
Blackburn Audley Park
Timeseries Graph
62 (2 Low)n/mn/m5 (1 Low)9 (1 Low)
*2
21/12/2024
11:00
Blackpool Marton
Timeseries Graph
66 (2 Low)4 (1 Low)n/m8 (1 Low)18 (2 Low)
*2
21/12/2024
11:00
Blackpool Whitegate Drive
Timeseries Graph
n/mn/mn/m11 (1 Low)n/m 21/12/2024
11:00
Bury Whitefield Roadside
Timeseries Graph
n/m13 (1 Low)n/mn/m14 (1 Low)
*1
21/12/2024
11:00
Carlisle Morton A595
Timeseries Graph
n/m5 (1 Low)n/m5 (1 Low)9 (1 Low)
*1
21/12/2024
11:00
Crewe Coppenhall
Timeseries Graph
61 (2 Low)5 (1 Low)n/m4 (1 Low)7 (1 Low)
*2
21/12/2024
11:00
Glazebury
Timeseries Graph
60 (2 Low)4 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
21/12/2024
11:00
Liverpool Speke
Timeseries Graph
58 (2 Low)4 (1 Low)1 (1 Low)5 (1 Low)12 (1 Low)
*1
21/12/2024
11:00
Manchester Piccadilly
Timeseries Graph
41 (2 Low)17 (1 Low)3 (1 Low)8 (1 Low)14 (1 Low)
*2
21/12/2024
11:00
Manchester Sharston
Timeseries Graph
47 (2 Low)22 (1 Low)n/m4 (1 Low)8 (1 Low)
*2
21/12/2024
11:00
Middlewich St Michael's Way
Timeseries Graph
n/mn/mn/m4 (1 Low)n/m 21/12/2024
11:00
Preston
Timeseries Graph
63 (2 Low)7 (1 Low)n/m6 (1 Low)12 (1 Low)
*2
21/12/2024
11:00
Salford Eccles
Timeseries Graph
43 (2 Low)11 (1 Low)n/m6 (1 Low)11 (1 Low)
*2
21/12/2024
11:00
Shaw Crompton Way
Timeseries Graph
n/m22 (1 Low)n/mn/mn/m 21/12/2024
11:00
St Helens Linkway
Timeseries Graph
n/m26 (1 Low)n/mn/m9 (1 Low)
*1
21/12/2024
11:00
Warrington
Timeseries Graph
n/m6 (1 Low)n/m3 (1 Low)11 (1 Low)
*1
21/12/2024
11:00
Widnes Milton Road
Timeseries Graph
n/m27 (1 Low)n/mn/mn/m 21/12/2024
11:00
Wigan Centre
Timeseries Graph
58 (2 Low)7 (1 Low)n/m6 (1 Low)11 (1 Low)
*2
21/12/2024
11:00
Wirral Tranmere
Timeseries Graph
65 (2 Low)7 (1 Low)n/m5 (1 Low)9 (1 Low)
*2
21/12/2024
11:00

» 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