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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 3am Mon 21st Aug 2017

Filter by region:

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/m14 (1 Low)n/mn/an/a 21/08/2017
03:00:00
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m16 (1 Low) 21/08/2017
03:00:00
Haringey Roadside
Timeseries Graph
n/m25 (1 Low)n/mn/mn/m 21/08/2017
03:00:00
London Bexley
Timeseries Graph
n/m5 (1 Low)n/m2 (1 Low)n/m 21/08/2017
03:00:00
London Bloomsbury
Timeseries Graph
36 (2 Low)16 (1 Low)0 (1 Low)8 (1 Low)10 (1 Low) 21/08/2017
03:00:00
London Eltham
Timeseries Graph
46 (2 Low)6 (1 Low)n/m6 (1 Low)n/m 21/08/2017
03:00:00
London Haringey Priory Park South
Timeseries Graph
39 (2 Low)9 (1 Low)n/mn/mn/m 21/08/2017
03:00:00
London Harlington
Timeseries Graph
37 (2 Low)-3 (1 Low)n/m4 (1 Low)7 (1 Low)
*3
21/08/2017
03:00:00
London Harrow Stanmore
Timeseries Graph
n/mn/mn/mn/an/m 28/04/2017
13:00:00
London Hillingdon
Timeseries Graph
9 (1 Low)29 (1 Low)n/mn/mn/m 21/08/2017
03:00:00
London Marylebone Road
Timeseries Graph
20 (1 Low)45 (1 Low)3 (1 Low)11 (1 Low)16 (1 Low) 21/08/2017
03:00:00
London N. Kensington
Timeseries Graph
54 (2 Low)8 (1 Low)n/a6 (1 Low)14 (1 Low) 21/08/2017
03:00:00
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/mn/an/m 17/08/2017
02:00:00
London Westminster
Timeseries Graph
n/m12 (1 Low)n/mn/mn/m 21/08/2017
03:00:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m8 (1 Low)n/mn/m12 (1 Low) 21/08/2017
03:00:00
Tower Hamlets Roadside
Timeseries Graph
n/m10 (1 Low)n/mn/mn/m 21/08/2017
03:00:00

» 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 BAM unheated
  • *3: measurements are PM10 FIDAS