24 Hour Summary, based on data provided by 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
  • Maximum pollutant levels displayed on UK-AIR for the 24 hour period up to 6am Sat 5th Oct 2024

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Greater London

24 Hour Summary, based on data provided by 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/m91 (2 Low)n/m11 (1 Low)21 (2 Low)
*1
05/10/2024
06:00:00
Ealing Horn Lane
Timeseries Graph
n/mn/mn/mn/m38 (3 Low)
*1
05/10/2024
02:00:00
Haringey Roadside
Timeseries Graph
n/m66 (1 Low)n/mn/mn/m 04/10/2024
19:00:00
London Bexley
Timeseries Graph
n/m55 (1 Low)n/m9 (1 Low)14 (1 Low)
*2
05/10/2024
06:00:00
London Bloomsbury
Timeseries Graph
61 (2 Low)59 (1 Low)3 (1 Low)8 (1 Low)13 (1 Low)
*2
04/10/2024
09:30:00
London Eltham
Timeseries Graph
n/an/an/mn/an/a 04/07/2023
01:00:00
London Haringey Priory Park South
Timeseries Graph
57 (2 Low)48 (1 Low)n/mn/mn/m 04/10/2024
19:00:00
London Harlington
Timeseries Graph
n/a71 (2 Low)n/m8 (1 Low)12 (1 Low)
*2
05/10/2024
05:00:00
London Hillingdon
Timeseries Graph
40 (2 Low)84 (2 Low)n/m8 (1 Low)15 (1 Low)
*2
05/10/2024
06:00:00
London Honor Oak Park
Timeseries Graph
77 (3 Low)n/mn/m8 (1 Low)11 (1 Low)
*2
05/10/2024
06:00:00
London Marylebone Road
Timeseries Graph
26 (1 Low)87 (2 Low)6 (1 Low)12 (2 Low)18 (2 Low)
*1
04/10/2024
11:00:00
London N. Kensington
Timeseries Graph
75 (3 Low)53 (1 Low)n/a8 (1 Low)13 (1 Low)
*2
19/09/2024
01:45:00
London Teddington Bushy Park
Timeseries Graph
n/mn/mn/mn/an/a 09/10/2023
10:00:00
London Westminster
Timeseries Graph
63 (2 Low)62 (1 Low)n/m10 (1 Low)n/m 05/10/2024
01:00:00
Southwark A2 Old Kent Road
Timeseries Graph
n/m58 (1 Low)n/mn/m23 (2 Low)
*1
04/10/2024
10:00:00
Tower Hamlets Roadside
Timeseries Graph
n/m60 (1 Low)n/mn/mn/m 04/10/2024
11:00:00

» 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