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/m5 (1 Low)n/mn/m18 (2 Low) Low
(Index 2)
14/04/2021
13:00
Barnet Tally Ho n/m24 (1 Low)n/mn/m23 (2 Low) Low
(Index 2)
14/04/2021
13:00
Camden - Coopers Lane n/mn/mn/mn/m19 (2 Low) Low
(Index 2)
14/04/2021
13:00
Camden - Euston Road n/m52 (1 Low)n/m16 (2 Low)27 (2 Low) Low
(Index 2)
14/04/2021
13:00
H&F Hammersmith Town Centre 23 (1 Low)46 (1 Low)n/m23 (2 Low)31 (2 Low) Low
(Index 2)
14/04/2021
13:00
H&F Shepherd's Bush n/m51 (1 Low)n/mn/mn/a Low
(Index 1)
14/04/2021
13:00
Heathrow Bath Road n/mn/an/mn/an/a No Data 23/03/2020
24:00
Heathrow Green Gates n/m4 (1 Low)n/m13 (2 Low)19 (2 Low) Low
(Index 2)
14/04/2021
13:00
Heathrow LHR2 n/m14 (1 Low)n/m12 (2 Low)18 (2 Low) Low
(Index 2)
14/04/2021
13:00
Hillingdon Harmondsworth n/m2 (1 Low)n/mn/m19 (2 Low) Low
(Index 2)
14/04/2021
13:00
Hillingdon Harmondsworth Osiris n/mn/mn/mn/an/a No Data 07/04/2021
24:00
Hillingdon Hayes n/m83 (2 Low)n/mn/m35 (3 Low) Low
(Index 3)
14/04/2021
06:00
Hillingdon Oxford Avenue n/m15 (1 Low)n/mn/m27 (2 Low) Low
(Index 2)
14/04/2021
11:00
Hillingdon Sipson n/m33 (1 Low)n/mn/mn/m Low
(Index 1)
14/04/2021
06:00
Hillingdon South Ruislip n/m30 (1 Low)n/mn/m29 (2 Low) Low
(Index 2)
14/04/2021
13:00
Hounslow Brentford n/m43 (1 Low)n/m23 (2 Low)34 (3 Low) Low
(Index 3)
14/04/2021
13:00
Hounslow Chiswick n/m28 (1 Low)n/mn/a22 (2 Low) Low
(Index 2)
14/04/2021
13:00
Hounslow Cranford n/an/an/an/mn/a No Data 08/04/2020
19:00
Hounslow Feltham n/m22 (1 Low)n/mn/m20 (2 Low) Low
(Index 2)
14/04/2021
12:00
Hounslow Gunnersbury n/m15 (1 Low)n/mn/m34 (3 Low) Low
(Index 3)
14/04/2021
13:00
Hounslow Hatton Cross n/m18 (1 Low)n/mn/m29 (2 Low) Low
(Index 2)
14/04/2021
13:00
Hounslow Heston n/m22 (1 Low)n/mn/m29 (2 Low) Low
(Index 2)
14/04/2021
13:00
RBKC Chelsea n/m43 (1 Low)n/mn/mn/m Low
(Index 1)
14/04/2021
13:00
RBKC Cromwell Rd n/m27 (1 Low)n/mn/mn/a Low
(Index 1)
14/04/2021
13:00
RBKC Earls Court Road n/m39 (1 Low)n/mn/m38 (3 Low) Low
(Index 3)
14/04/2021
13:00
RBKC Knightsbridge n/m72 (2 Low)n/mn/mn/m Low
(Index 2)
14/04/2021
13:00
Tower Hamlets - Blackwall n/an/an/mn/an/a No Data 14/04/2021
11:00
Tower Hamlets - Millwall Park 58 (2 Low)9 (1 Low)n/mn/m26 (2 Low) Low
(Index 2)
14/04/2021
13:00
Tower Hamlets - Roadside n/mn/mn/m16 (2 Low)n/m Low
(Index 2)
14/04/2021
13:00
Tower Hamlets - Victoria Park n/mn/an/m13 (2 Low)21 (2 Low) Low
(Index 2)
14/04/2021
13:00
Waltham Forest Crooked Billet n/m45 (1 Low)n/mn/m34 (3 Low) Low
(Index 3)
14/04/2021
09:00
Waltham Forest Dawlish Rd n/m22 (1 Low)n/m13 (2 Low)18 (2 Low) Low
(Index 2)
14/04/2021
09:00
Waltham Forest Leyton n/m17 (1 Low)n/mn/m21 (2 Low) Low
(Index 2)
14/04/2021
09:00
Camden Kerbside n/m56 (1 Low)n/m8 (1 Low)n/a Low
(Index 1)
14/04/2021
13:00
Ealing Horn Lane n/mn/mn/mn/m43 (3 Low) Low
(Index 3)
14/04/2021
13:00
Haringey Roadside n/m19 (1 Low)n/mn/mn/m Low
(Index 1)
14/04/2021
13:00
London Bexley n/m8 (1 Low)n/m15 (2 Low)24 (2 Low) Low
(Index 2)
14/04/2021
13:00
London Bloomsbury 42 (2 Low)25 (1 Low)1 (1 Low)16 (2 Low)23 (2 Low) Low
(Index 2)
14/04/2021
13:00
London Eltham n/a4 (1 Low)n/m12 (2 Low)18 (2 Low) Low
(Index 2)
14/04/2021
13:00
London Haringey Priory Park South 63 (2 Low)7 (1 Low)n/mn/mn/m Low
(Index 2)
14/04/2021
13:00
London Harlington 43 (2 Low)10 (1 Low)n/m14 (2 Low)22 (2 Low) Low
(Index 2)
14/04/2021
13:00
London Hillingdon 37 (2 Low)7 (1 Low)n/mn/mn/m Low
(Index 2)
14/04/2021
13:00
London Honor Oak Park n/mn/mn/m15 (2 Low)24 (2 Low) Low
(Index 2)
14/04/2021
13:00
London Marylebone Road 35 (2 Low)34 (1 Low)2 (1 Low)17 (2 Low)26 (2 Low) Low
(Index 2)
14/04/2021
13:00
London N. Kensington 52 (2 Low)11 (1 Low)2 (1 Low)14 (2 Low)23 (2 Low) Low
(Index 2)
14/04/2021
13:00
London Teddington Bushy Park n/mn/mn/m15 (2 Low)20 (2 Low) Low
(Index 2)
14/04/2021
13:00
London Westminster n/mn/an/m18 (2 Low)n/m Low
(Index 2)
14/04/2021
13:00
Southwark A2 Old Kent Road n/m37 (1 Low)n/mn/m33 (2 Low) Low
(Index 2)
14/04/2021
13:00
Tower Hamlets Roadside n/m33 (1 Low)n/mn/mn/m Low
(Index 1)
14/04/2021
13:00

» 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

Download uBreathe
The free app for iPhone, iPad & Android that gives you air pollution health advice - where and when you need it most Find out more »

Screenshot of uBreathe app