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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.
Environment Agency

Index Bands

1 2 3
Low
4 5 6
Moderate
7 8 9
High
10
Very High

Read associated health advice »

  • PM10 data is from a FDMS PM10 instrument type unless specified
  • View the legend
  • Pollutant levels recorded for the hour up to midday Fri 23rd Feb 2018

Filter by region:

North Wales

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
Aston Hill
Timeseries Graph
52 (2 Low)7 (1 Low)n/mn/mn/m 23/02/2018
11:00
Wrexham
Timeseries Graph
n/m31 (1 Low)1 (1 Low)n/mn/m 23/02/2018
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 BAM unheated
  • *3: measurements are PM10 FIDAS