Greater London Monitoring Data

Use the tabs below to explore information about the current and historic air pollution levels in this local authority. You can select another local authority using the dropdown menu. 
Fullscreen Map Centre map on LA

Use the map above to explore the monitoring sites in for this local authority and the surrounding area. The table below shows a summary of sites within this local authority - you can click on the site names to get more detailed information.

Active local authority funded monitoring sites

Monitoring Site Ozone
(O3)
Nitrogen Dioxide
(NO2)
Sulphur Dioxide
(SO2)
Particulate Matter
(PM2.5)
Particulate Matter
(PM10)
Highest Pollution Band Last Updated
Barnet Chalgrove School n/m0 (1 Low)n/mn/m10 (1 Low) Low
(Index 1)
18/06/2021
24:00
Barnet Tally Ho n/m5 (1 Low)n/mn/m10 (1 Low) Low
(Index 1)
19/06/2021
02:00
Burnaby Street 40 (2 Low)-2 (1 Low)n/m0 (1 Low)2 (1 Low) Low
(Index 2)
19/06/2021
02:00
Camden - Coopers Lane n/mn/mn/mn/mn/a No Data 19/06/2021
01:00
Camden - Euston Road n/mn/an/mn/an/a No Data 18/06/2021
24:00
Camden High Street n/m12 (1 Low)n/mn/mn/m Low
(Index 1)
19/06/2021
02:00
H&F Hammersmith Town Centre 32 (1 Low)10 (1 Low)n/m5 (1 Low)10 (1 Low) Low
(Index 1)
19/06/2021
02:00
H&F Shepherd's Bush n/m14 (1 Low)n/mn/m12 (1 Low) Low
(Index 1)
18/06/2021
24:00
Haringey Wood Green n/m20 (1 Low)n/m3 (1 Low)5 (1 Low) Low
(Index 1)
19/06/2021
01:00
Heathrow Bath Road n/mn/an/mn/an/a No Data 23/03/2020
24:00
Heathrow Green Gates n/m10 (1 Low)n/m2 (1 Low)5 (1 Low) Low
(Index 1)
19/06/2021
02:00
Heathrow LHR2 n/m3 (1 Low)n/m2 (1 Low)3 (1 Low) Low
(Index 1)
19/06/2021
02:00
Hillingdon Harmondsworth n/m5 (1 Low)n/mn/m10 (1 Low) Low
(Index 1)
18/06/2021
21:00
Hillingdon Harmondsworth Osiris n/mn/mn/mn/an/a No Data 18/06/2021
07:00
Hillingdon Hayes n/m9 (1 Low)n/mn/m13 (1 Low) Low
(Index 1)
18/06/2021
22:00
Hillingdon Oxford Avenue n/m3 (1 Low)n/mn/m10 (1 Low) Low
(Index 1)
19/06/2021
02:00
Hillingdon Sipson n/m8 (1 Low)n/mn/mn/m Low
(Index 1)
18/06/2021
06:00
Hillingdon South Ruislip n/m12 (1 Low)n/mn/m10 (1 Low) Low
(Index 1)
18/06/2021
22:00
Hounslow Brentford n/m18 (1 Low)n/mn/a14 (1 Low) Low
(Index 1)
18/06/2021
24:00
Hounslow Chiswick n/m14 (1 Low)n/m5 (1 Low)10 (1 Low) Low
(Index 1)
18/06/2021
24:00
Hounslow Cranford n/an/an/an/mn/a No Data 08/04/2020
19:00
Hounslow Feltham n/m11 (1 Low)n/mn/m10 (1 Low) Low
(Index 1)
18/06/2021
24:00
Hounslow Gunnersbury n/m11 (1 Low)n/mn/m9 (1 Low) Low
(Index 1)
18/06/2021
24:00
Hounslow Hatton Cross n/m9 (1 Low)n/mn/m3 (1 Low) Low
(Index 1)
18/06/2021
24:00
Hounslow Heston n/m12 (1 Low)n/mn/m9 (1 Low) Low
(Index 1)
18/06/2021
24:00
Kensington High Street 1 90 (3 Low)-2 (1 Low)n/m0 (1 Low)1 (1 Low) Low
(Index 3)
19/06/2021
02:00
Kensington High Street 2 n/mn/mn/mn/mn/m No Data -
RBKC Chelsea n/m17 (1 Low)n/mn/mn/m Low
(Index 1)
18/06/2021
24:00
RBKC Cromwell Rd n/m6 (1 Low)n/m0 (1 Low)4 (1 Low) Low
(Index 1)
18/06/2021
24:00
RBKC Earls Court Road n/m28 (1 Low)n/mn/mn/a Low
(Index 1)
18/06/2021
24:00
RBKC Knightsbridge n/m10 (1 Low)n/mn/mn/m Low
(Index 1)
18/06/2021
24:00
Sedding Street 34 (2 Low)-2 (1 Low)n/m0 (1 Low)1 (1 Low) Low
(Index 2)
19/06/2021
02:00
Tower Hamlets - Blackwall n/a18 (1 Low)n/mn/an/a Low
(Index 1)
19/06/2021
02:00
Tower Hamlets - Millwall Park 41 (2 Low)8 (1 Low)n/mn/m6 (1 Low) Low
(Index 2)
18/06/2021
24:00
Tower Hamlets - Roadside n/mn/mn/mn/an/m No Data 18/06/2021
18:00
Tower Hamlets - Victoria Park n/m1 (1 Low)n/m2 (1 Low)7 (1 Low) Low
(Index 1)
18/06/2021
24:00
Waltham Forest Crooked Billet n/m37 (1 Low)n/mn/m15 (1 Low) Low
(Index 1)
18/06/2021
17:00
Waltham Forest Dawlish Rd n/m6 (1 Low)n/m5 (1 Low)12 (1 Low) Low
(Index 1)
18/06/2021
17:00
Waltham Forest Leyton n/m9 (1 Low)n/mn/m6 (1 Low) Low
(Index 1)
18/06/2021
17:00
Camden Kerbside n/m22 (1 Low)n/m6 (1 Low)10 (1 Low) Low
(Index 1)
19/06/2021
02:00
Ealing Horn Lane n/mn/mn/mn/m10 (1 Low) Low
(Index 1)
19/06/2021
02:00
Haringey Roadside n/m6 (1 Low)n/mn/mn/m Low
(Index 1)
19/06/2021
02:00
London Bexley n/m5 (1 Low)n/m3 (1 Low)5 (1 Low) Low
(Index 1)
19/06/2021
02:00
London Bloomsbury 37 (2 Low)6 (1 Low)3 (1 Low)4 (1 Low)7 (1 Low) Low
(Index 2)
19/06/2021
02:00
London Eltham n/a6 (1 Low)n/m3 (1 Low)7 (1 Low) Low
(Index 1)
19/06/2021
02:00
London Haringey Priory Park South 50 (2 Low)2 (1 Low)n/mn/mn/m Low
(Index 2)
19/06/2021
02:00
London Harlington n/a4 (1 Low)n/m2 (1 Low)4 (1 Low) Low
(Index 1)
19/06/2021
02:00
London Hillingdon 47 (2 Low)5 (1 Low)n/mn/mn/m Low
(Index 2)
19/06/2021
02:00
London Honor Oak Park n/mn/mn/m2 (1 Low)4 (1 Low) Low
(Index 1)
19/06/2021
02:00
London Marylebone Road n/an/an/an/an/a No Data 18/06/2021
01:00
London N. Kensington 53 (2 Low)2 (1 Low)n/a2 (1 Low)3 (1 Low) Low
(Index 2)
19/06/2021
02:00
London Teddington Bushy Park n/mn/mn/m2 (1 Low)4 (1 Low) Low
(Index 1)
19/06/2021
02:00
London Westminster n/m5 (1 Low)n/m6 (1 Low)n/m Low
(Index 1)
19/06/2021
02:00
Southwark A2 Old Kent Road n/m15 (1 Low)n/mn/m10 (1 Low) Low
(Index 1)
19/06/2021
02:00
Tower Hamlets Roadside n/m10 (1 Low)n/mn/mn/m Low
(Index 1)
19/06/2021
02:00

» Visit the Defra UK-AIR website for details of Defra funded AURN monitoring sites

Closed local authority funded monitoring sites

The following monitoring sites are no longer active in this local authority, but you can still access information about them by clicking on their names below.

Monitoring Site Date Ended
Broadway [Closed] (HF1) 01/11/2008
Brook Green [Closed] (HF2) 20/01/2009
Hillingdon 2 - Hillingdon Hospital [Closed] (HI2) 30/09/2011
Hounslow Boston Manor Park [Closed] (HS010) 05/03/2020
Newham Cam Road [Closed] (NEW2) 31/03/2021
Newham Wren Close [Closed] (NEW3) 31/03/2021
Scrubs Lane [Closed] (HF3) 27/10/2005
Tant Avenue [Closed] (NEW1) 14/03/2003
Brentford Roadside [Closed] (BRN) 30/09/2007
Bromley Roadside [Closed] (BY1) 06/07/1998
Hounslow Roadside [Closed] (HS1) 16/11/2002
London A3 Roadside [Closed] (A3) 30/09/2007
London Brent [Closed] (BREN) 30/09/2007
London Bridge Place [Closed] (BRI) 30/11/1999
London Bromley [Closed] (BY2) 30/09/2007
London Cromwell Road [Closed] (CRD) 12/09/1996
London Cromwell Road 2 [Closed] (CRD2) 30/09/2012
London Hackney [Closed] (HK4) 30/09/2007
London Haringey [Closed] (HG2) 24/10/2012
London Harrow Stanmore [Closed] (HR3) 28/04/2017
London Lewisham [Closed] (LW1) 30/09/2007
London Southwark [Closed] (SK1) 30/09/2007
London Sutton [Closed] (SUT3) 02/05/2002
London Teddington [Closed] (TED) 21/09/2016
London Wandsworth [Closed] (WA2) 30/09/2007
Southwark Roadside [Closed] (SK2) 21/02/2006
Sutton Roadside [Closed] (SUT1) 02/05/2002
West London [Closed] (WL) 30/09/2007
Overall Pollution Summary:
NO DATA
Very High 10
High 9
  8
  7
Moderate 6
  5
  4
Low 3
  2
  1

Guide to map markers: Markers legend: square markers show LA sites, round markers show AURN

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