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 midnight Thu 12th Dec 2024

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Greater London

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
Camden Kerbside
Timeseries Graph
n/m45 (1 Low)n/m8 (1 Low)13 (1 Low)
*1
12/12/2024
24:00
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m12 (1 Low)
*1
12/12/2024
24:00
Haringey Roadside
Timeseries Graph
n/m32 (1 Low)n/mn/mn/m 12/12/2024
24:00
London Bexley
Timeseries Graph
n/mn/an/m5 (1 Low)7 (1 Low)
*2
12/12/2024
23:00
London Bloomsbury
Timeseries Graph
20 (1 Low)41 (1 Low)n/a6 (1 Low)8 (1 Low)
*2
12/12/2024
24:00
London Haringey Priory Park South
Timeseries Graph
27 (1 Low)30 (1 Low)n/mn/mn/m 12/12/2024
24:00
London Harlington
Timeseries Graph
27 (1 Low)n/an/m5 (1 Low)6 (1 Low)
*2
12/12/2024
22:00
London Hillingdon
Timeseries Graph
31 (1 Low)17 (1 Low)n/m5 (1 Low)9 (1 Low)
*2
12/12/2024
24:00
London Honor Oak Park
Timeseries Graph
20 (1 Low)n/mn/m6 (1 Low)8 (1 Low)
*2
12/12/2024
24:00
London Marylebone Road
Timeseries Graph
23 (1 Low)46 (1 Low)2 (1 Low)5 (1 Low)9 (1 Low)
*1
12/12/2024
24:00
London N. Kensington
Timeseries Graph
35 (2 Low)41 (1 Low)1 (1 Low)5 (1 Low)8 (1 Low)
*2
12/12/2024
24:00
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/m7 (1 Low)11 (1 Low)
*2
12/12/2024
24:00
London Westminster
Timeseries Graph
21 (1 Low)41 (1 Low)n/m6 (1 Low)n/m 12/12/2024
24:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m46 (1 Low)n/mn/m14 (1 Low)
*1
12/12/2024
24:00
Tower Hamlets Roadside
Timeseries Graph
n/m37 (1 Low)n/mn/mn/m 12/12/2024
24:00

» 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