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 11pm Sat 31st Aug 2024

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Northern Ireland

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
Armagh Roadside
Timeseries Graph
n/m21 (1 Low)n/mn/m24 (2 Low)
*1
31/08/2024
23:00:00
Ballymena Antrim Road
Timeseries Graph
n/m15 (1 Low)n/mn/mn/m 31/08/2024
23:00:00
Ballymena Ballykeel
Timeseries Graph
n/m14 (1 Low)14 (1 Low)n/mn/m 31/08/2024
23:00:00
Belfast Centre
Timeseries Graph
66 (2 Low)24 (1 Low)1 (1 Low)20 (2 Low)27 (2 Low)
*2
31/08/2024
23:00:00
Belfast Stockman's Lane
Timeseries Graph
n/m37 (1 Low)n/mn/m29 (2 Low)
*1
31/08/2024
23:00:00
Derry Rosemount
Timeseries Graph
75 (3 Low)12 (1 Low)2 (1 Low)17 (2 Low)21 (2 Low)
*1
31/08/2024
23:00:00
Lough Navar
Timeseries Graph
77 (3 Low)n/mn/m11 (1 Low)15 (1 Low)
*2
31/08/2024
23:00:00

» 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