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 9am Mon 27th May 2024

Filter by region:

South West

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
Barnstaple A39
Timeseries Graph
n/mn/mn/m4 (1 Low)8 (1 Low)
*2
27/05/2024
09:00:00
Bath A4 Roadside
Timeseries Graph
n/m6 (1 Low)n/mn/mn/m 27/05/2024
09:00:00
Bournemouth
Timeseries Graph
83 (3 Low)2 (1 Low)n/m7 (1 Low)n/m 27/05/2024
09:00:00
Bristol St Paul's
Timeseries Graph
61 (2 Low)6 (1 Low)n/m5 (1 Low)11 (1 Low)
*1
27/05/2024
09:00:00
Bristol Temple Way
Timeseries Graph
n/m4 (1 Low)n/mn/m11 (1 Low)
*1
27/05/2024
09:00:00
Charlton Mackrell
Timeseries Graph
53 (2 Low)1 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
27/05/2024
09:00:00
Christchurch Barrack Road
Timeseries Graph
n/m0 (1 Low)n/m8 (1 Low)n/m 27/05/2024
09:00:00
Exeter Roadside
Timeseries Graph
n/an/an/mn/mn/m 12/10/2023
04:00:00
Honiton
Timeseries Graph
8 (1 Low)2 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
27/05/2024
09:00:00
Plymouth Centre
Timeseries Graph
80 (3 Low)3 (1 Low)n/m5 (1 Low)12 (1 Low)
*2
27/05/2024
09:00:00
Plymouth Tavistock Road
Timeseries Graph
n/m18 (1 Low)n/mn/mn/m 27/05/2024
08:00:00
Saltash Callington Road
Timeseries Graph
n/mn/mn/m1 (1 Low)10 (1 Low)
*1
27/05/2024
09:00:00
Swindon Walcot
Timeseries Graph
59 (2 Low)0 (1 Low)n/m3 (1 Low)6 (1 Low)
*2
27/05/2024
09:00:00
Yarner Wood
Timeseries Graph
63 (2 Low)1 (1 Low)n/m2 (1 Low)5 (1 Low)
*2
27/05/2024
09:00:00

» 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