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.

  • PM10 data is from a FDMS PM10 instrument type unless specified
  • View the legend
  • Pollutant levels recorded for the hour up to midday Sat 31st Jul 2021

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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/m11 (1 Low)n/mn/mn/m 31/07/2021
12:00:00
Blackburn Accrington Road
Timeseries Graph
n/m15 (1 Low)n/mn/mn/m 31/07/2021
12:00:00
Blackpool Marton
Timeseries Graph
63 (2 Low)4 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
31/07/2021
12:00:00
Bury Whitefield Roadside
Timeseries Graph
n/m12 (1 Low)n/mn/m7 (1 Low)
*1
31/07/2021
12:00:00
Crewe Coppenhall
Timeseries Graph
n/m6 (1 Low)n/mn/mn/m 31/07/2021
12:00:00
Glazebury
Timeseries Graph
49 (2 Low)3 (1 Low)n/mn/mn/m 31/07/2021
12:00:00
Liverpool Speke
Timeseries Graph
n/mn/mn/mn/mn/m -
Manchester Piccadilly
Timeseries Graph
32 (1 Low)15 (1 Low)3 (1 Low)7 (1 Low)21 (2 Low)
*2
31/07/2021
12:00:00
Manchester Sharston
Timeseries Graph
44 (2 Low)12 (1 Low)n/mn/mn/m 31/07/2021
12:00:00
Preston
Timeseries Graph
46 (2 Low)12 (1 Low)n/m4 (1 Low)7 (1 Low)
*2
31/07/2021
12:00:00
Salford Eccles
Timeseries Graph
n/m12 (1 Low)n/m4 (1 Low)9 (1 Low)
*2
31/07/2021
12:00:00
Shaw Crompton Way
Timeseries Graph
n/m20 (1 Low)n/mn/mn/m 31/07/2021
12:00:00
St Helens Linkway
Timeseries Graph
n/m18 (1 Low)n/mn/m10 (1 Low)
*1
31/07/2021
12:00:00
Warrington
Timeseries Graph
n/m5 (1 Low)n/m3 (1 Low)7 (1 Low)
*1
31/07/2021
12:00:00
Widnes Milton Road
Timeseries Graph
n/m12 (1 Low)n/mn/mn/m 31/07/2021
12:00:00
Wigan Centre
Timeseries Graph
47 (2 Low)3 (1 Low)n/m4 (1 Low)7 (1 Low)
*2
31/07/2021
12:00:00
Wirral Tranmere
Timeseries Graph
54 (2 Low)5 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
31/07/2021
12:00:00

» 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