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
Cam Road n/m9 (1 Low)n/m5 (1 Low)12 (1 Low) Low
(Index 1)
03/04/2020
03:00
Chelsea n/m9 (1 Low)n/mn/mn/m Low
(Index 1)
03/04/2020
03:00
Cromwell Road n/m10 (1 Low)n/mn/mn/a Low
(Index 1)
03/04/2020
03:00
Earls Court Road n/m21 (1 Low)n/mn/m14 (1 Low) Low
(Index 1)
03/04/2020
03:00
Hammersmith Town Centre 53 (2 Low)16 (1 Low)n/m8 (1 Low)10 (1 Low) Low
(Index 2)
03/04/2020
03:00
Heathrow Bath Road n/m75 (2 Low)n/m11 (1 Low)19 (2 Low) Low
(Index 2)
23/03/2020
24:00
Heathrow Green Gates n/m15 (1 Low)n/m4 (1 Low)8 (1 Low) Low
(Index 1)
03/04/2020
03:00
Heathrow LHR2 n/m16 (1 Low)n/m4 (1 Low)7 (1 Low) Low
(Index 1)
03/04/2020
03:00
Hillingdon 1 - South Ruislip n/m6 (1 Low)n/mn/m8 (1 Low) Low
(Index 1)
03/04/2020
03:00
Hillingdon Sipson n/m7 (1 Low)n/mn/mn/m Low
(Index 1)
03/04/2020
03:00
Hounslow Boston Manor Park n/m21 (1 Low)n/mn/m10 (1 Low) Low
(Index 1)
05/03/2020
14:00
Hounslow Brentford n/m15 (1 Low)n/mn/an/a Low
(Index 1)
03/04/2020
03:00
Hounslow Chiswick n/m37 (1 Low)n/mn/an/a Low
(Index 1)
03/04/2020
03:00
Hounslow Cranford 44 (2 Low)14 (1 Low)0 (1 Low)n/m10 (1 Low) Low
(Index 2)
03/04/2020
03:00
Hounslow Feltham n/m17 (1 Low)n/mn/m14 (1 Low) Low
(Index 1)
03/04/2020
03:00
Hounslow Gunnersbury n/m5 (1 Low)n/mn/m13 (1 Low) Low
(Index 1)
03/04/2020
03:00
Hounslow Hatton Cross n/m13 (1 Low)n/mn/m9 (1 Low) Low
(Index 1)
03/04/2020
03:00
Hounslow Heston n/m4 (1 Low)n/mn/m12 (1 Low) Low
(Index 1)
03/04/2020
03:00
Knightsbridge n/m10 (1 Low)n/mn/mn/m Low
(Index 1)
03/04/2020
03:00
London Barnet Chalgrove School n/m5 (1 Low)n/mn/m8 (1 Low) Low
(Index 1)
03/04/2020
03:00
London Hillingdon Harmondsworth n/m9 (1 Low)n/mn/m13 (1 Low) Low
(Index 1)
03/04/2020
03:00
London Hillingdon Harmondsworth Os n/mn/mn/m2 (1 Low)8 (1 Low) Low
(Index 1)
02/04/2020
24:00
London Hillingdon Hayes n/m17 (1 Low)n/mn/m21 (2 Low) Low
(Index 2)
03/04/2020
03:00
London Hillingdon Oxford Avenue n/m30 (1 Low)n/mn/m15 (1 Low) Low
(Index 1)
03/04/2020
02:00
Shepherd's Bush n/m25 (1 Low)n/mn/m14 (1 Low) Low
(Index 1)
03/04/2020
03:00
Tally Ho n/m7 (1 Low)n/mn/m12 (1 Low) Low
(Index 1)
03/04/2020
03:00
Tower Hamlets - Blackwall 51 (2 Low)23 (1 Low)n/m4 (1 Low)12 (1 Low) Low
(Index 2)
03/04/2020
03:00
Tower Hamlets - Millwall Park 41 (2 Low)18 (1 Low)n/mn/m10 (1 Low) Low
(Index 2)
02/04/2020
11:00
Tower Hamlets - Roadside n/mn/mn/m8 (1 Low)n/m Low
(Index 1)
02/04/2020
18:00
Tower Hamlets - Victoria Park n/m20 (1 Low)n/m6 (1 Low)9 (1 Low) Low
(Index 1)
03/04/2020
03:00
Waltham Crooked Billet n/m9 (1 Low)n/mn/m16 (1 Low) Low
(Index 1)
03/04/2020
03:00
Waltham Forest Dawlish Rd n/m6 (1 Low)n/m6 (1 Low)9 (1 Low) Low
(Index 1)
03/04/2020
03:00
Waltham Forest Leyton n/m23 (1 Low)n/mn/m12 (1 Low) Low
(Index 1)
03/04/2020
03:00
Wren Close n/m13 (1 Low)n/m5 (1 Low)15 (1 Low) Low
(Index 1)
03/04/2020
03:00
Camden Kerbside n/m12 (1 Low)n/m5 (1 Low)10 (1 Low) Low
(Index 1)
03/04/2020
03:00
Ealing Horn Lane n/mn/mn/mn/m15 (1 Low) Low
(Index 1)
03/04/2020
03:00
Haringey Roadside n/m9 (1 Low)n/mn/mn/m Low
(Index 1)
03/04/2020
03:00
London Bexley n/m14 (1 Low)n/m7 (1 Low)n/m Low
(Index 1)
03/04/2020
03:00
London Bloomsbury 20 (1 Low)17 (1 Low)2 (1 Low)5 (1 Low)10 (1 Low) Low
(Index 1)
03/04/2020
03:00
London Eltham 57 (2 Low)7 (1 Low)n/m6 (1 Low)n/m Low
(Index 2)
03/04/2020
03:00
London Haringey Priory Park South 61 (2 Low)5 (1 Low)n/mn/mn/m Low
(Index 2)
03/04/2020
03:00
London Harlington 51 (2 Low)22 (1 Low)n/m5 (1 Low)11 (1 Low) Low
(Index 2)
03/04/2020
03:00
London Hillingdon 54 (2 Low)17 (1 Low)n/mn/mn/m Low
(Index 2)
03/04/2020
03:00
London Honor Oak Park n/mn/mn/m5 (1 Low)8 (1 Low) Low
(Index 1)
03/04/2020
03:00
London Marylebone Road 41 (2 Low)9 (1 Low)2 (1 Low)5 (1 Low)9 (1 Low) Low
(Index 2)
03/04/2020
03:00
London N. Kensington 58 (2 Low)18 (1 Low)19 (1 Low)4 (1 Low)8 (1 Low) Low
(Index 2)
03/04/2020
03:00
London Teddington Bushy Park n/mn/mn/m5 (1 Low)10 (1 Low) Low
(Index 1)
03/04/2020
03:00
London Westminster n/m11 (1 Low)n/m7 (1 Low)n/m Low
(Index 1)
03/04/2020
03:00
Southwark A2 Old Kent Road n/m7 (1 Low)n/mn/mn/a Low
(Index 1)
03/04/2020
03:00
Tower Hamlets Roadside n/m14 (1 Low)n/mn/mn/m Low
(Index 1)
03/04/2020
03:00

» 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
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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