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/m29 (1 Low)n/mn/m17 (2 Low) Low
(Index 2)
30/06/2022
23:00
Barnet Tally Ho n/m38 (1 Low)n/mn/mn/a Low
(Index 1)
30/06/2022
23:00
Camden - Coopers Lane n/mn/mn/m5 (1 Low)9 (1 Low) Low
(Index 1)
30/06/2022
24:00
Camden - Euston Road n/mn/an/mn/an/a No Data 30/06/2022
22:00
Camden High Street n/m19 (1 Low)n/mn/mn/m Low
(Index 1)
30/06/2022
24:00
Ealing Green Quarter n/m70 (2 Low)n/m3 (1 Low)8 (1 Low) Low
(Index 2)
30/06/2022
23:00
Ealing Green Quarter North Sensor n/a34 (1 Low)n/m6 (1 Low)13 (1 Low) Low
(Index 1)
30/06/2022
24:00
Ealing Green Quarter South Sensor n/a42 (1 Low)n/m6 (1 Low)10 (1 Low) Low
(Index 1)
30/06/2022
24:00
H&F Hammersmith Town Centre n/an/an/mn/an/a No Data 13/06/2022
10:00
H&F Shepherd's Bush n/m25 (1 Low)n/m8 (1 Low)44 (3 Low) Low
(Index 3)
30/06/2022
23:00
Haringey Wood Green n/m92 (2 Low)n/m6 (1 Low)12 (1 Low) Low
(Index 2)
30/06/2022
23:00
Heathrow Bath Road n/m47 (1 Low)n/m4 (1 Low)7 (1 Low) Low
(Index 1)
30/06/2022
23:00
Heathrow Green Gates n/m21 (1 Low)n/m3 (1 Low)7 (1 Low) Low
(Index 1)
30/06/2022
23:00
Heathrow LHR2 n/m37 (1 Low)n/m3 (1 Low)5 (1 Low) Low
(Index 1)
30/06/2022
24:00
Hillingdon Harmondsworth n/m9 (1 Low)n/mn/m13 (1 Low) Low
(Index 1)
30/06/2022
21:00
Hillingdon Harmondsworth Osiris n/mn/mn/mn/an/a No Data 30/06/2022
05:00
Hillingdon Hayes n/m41 (1 Low)n/mn/m24 (2 Low) Low
(Index 2)
30/06/2022
22:00
Hillingdon Oxford Avenue n/mn/an/mn/mn/a No Data 30/06/2022
19:00
Hillingdon Sipson n/m16 (1 Low)n/mn/mn/m Low
(Index 1)
30/06/2022
06:00
Hillingdon South Ruislip n/m29 (1 Low)n/mn/m19 (2 Low) Low
(Index 2)
30/06/2022
22:00
Hounslow Brentford n/m19 (1 Low)n/m6 (1 Low)20 (2 Low) Low
(Index 2)
30/06/2022
23:00
Hounslow Chiswick n/m15 (1 Low)n/m8 (1 Low)18 (2 Low) Low
(Index 2)
30/06/2022
22:00
Hounslow Feltham n/mn/an/mn/m17 (2 Low) Low
(Index 2)
30/06/2022
22:00
Hounslow Gunnersbury n/m24 (1 Low)n/mn/m24 (2 Low) Low
(Index 2)
30/06/2022
24:00
Hounslow Hatton Cross n/m9 (1 Low)n/mn/m18 (2 Low) Low
(Index 2)
30/06/2022
22:00
Hounslow Heston n/m13 (1 Low)n/mn/m20 (2 Low) Low
(Index 2)
30/06/2022
22:00
Kensington High Street 1 n/mn/an/mn/an/a No Data 01/03/2022
24:00
Kensington High Street 2 n/mn/an/mn/an/a No Data 23/05/2022
10:00
RBKC Chelsea n/m39 (1 Low)n/mn/mn/m Low
(Index 1)
30/06/2022
23:00
RBKC Cromwell Rd n/m23 (1 Low)n/m5 (1 Low)14 (1 Low) Low
(Index 1)
30/06/2022
22:00
RBKC Earls Court Road n/m18 (1 Low)n/mn/m9 (1 Low) Low
(Index 1)
30/06/2022
22:00
RBKC Knightsbridge n/m18 (1 Low)n/mn/mn/m Low
(Index 1)
30/06/2022
23:00
Sedding Street n/mn/an/mn/an/a No Data 11/05/2022
08:00
Tower Hamlets - Blackwall 35 (2 Low)21 (1 Low)n/m4 (1 Low)8 (1 Low) Low
(Index 2)
30/06/2022
24:00
Tower Hamlets - Millwall Park n/an/an/mn/mn/a No Data 18/05/2022
17:00
Tower Hamlets - Roadside n/mn/mn/m5 (1 Low)n/m Low
(Index 1)
30/06/2022
18:00
Tower Hamlets - Victoria Park n/m9 (1 Low)n/m2 (1 Low)8 (1 Low) Low
(Index 1)
30/06/2022
23:00
Waltham Forest Crooked Billet n/m25 (1 Low)n/mn/m22 (2 Low) Low
(Index 2)
30/06/2022
17:00
Waltham Forest Dawlish Rd n/m6 (1 Low)n/m6 (1 Low)13 (1 Low) Low
(Index 1)
30/06/2022
17:00
Waltham Forest Leyton n/m8 (1 Low)n/mn/m11 (1 Low) Low
(Index 1)
30/06/2022
17:00
Camden Kerbside (Swiss Cottage) n/m28 (1 Low)n/m3 (1 Low)12 (1 Low) Low
(Index 1)
30/06/2022
24:00
Ealing Horn Lane n/mn/mn/mn/m41 (3 Low) Low
(Index 3)
30/06/2022
24:00
Haringey Roadside n/m34 (1 Low)n/mn/mn/m Low
(Index 1)
30/06/2022
24:00
London Bexley n/m7 (1 Low)n/m4 (1 Low)7 (1 Low) Low
(Index 1)
30/06/2022
24:00
London Bloomsbury 45 (2 Low)12 (1 Low)2 (1 Low)4 (1 Low)8 (1 Low) Low
(Index 2)
30/06/2022
24:00
London Eltham 50 (2 Low)8 (1 Low)n/m3 (1 Low)5 (1 Low) Low
(Index 2)
30/06/2022
24:00
London Haringey Priory Park South 54 (2 Low)17 (1 Low)n/mn/mn/m Low
(Index 2)
30/06/2022
24:00
London Harlington 54 (2 Low)38 (1 Low)n/m4 (1 Low)7 (1 Low) Low
(Index 2)
30/06/2022
22:00
London Hillingdon 32 (1 Low)36 (1 Low)n/m4 (1 Low)11 (1 Low) Low
(Index 1)
30/06/2022
24:00
London Honor Oak Park n/mn/mn/m3 (1 Low)7 (1 Low) Low
(Index 1)
30/06/2022
24:00
London Marylebone Road 28 (1 Low)30 (1 Low)2 (1 Low)7 (1 Low)20 (2 Low) Low
(Index 2)
30/06/2022
24:00
London N. Kensington 50 (2 Low)7 (1 Low)n/a4 (1 Low)7 (1 Low) Low
(Index 2)
30/06/2022
24:00
London Teddington Bushy Park n/mn/mn/m3 (1 Low)7 (1 Low) Low
(Index 1)
30/06/2022
24:00
London Westminster n/m14 (1 Low)n/m2 (1 Low)n/m Low
(Index 1)
30/06/2022
24:00
Southwark A2 Old Kent Road n/m19 (1 Low)n/mn/m12 (1 Low) Low
(Index 1)
30/06/2022
24:00
Tower Hamlets Roadside n/m12 (1 Low)n/mn/mn/m Low
(Index 1)
30/06/2022
24:00

» 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
Burnaby Street [Closed] (VS009) 14/07/2021
Hillingdon 2 - Hillingdon Hospital [Closed] (HI2) 30/09/2011
Hounslow Boston Manor Park [Closed] (HS010) 05/03/2020
Hounslow Cranford [Closed] (HS2) 08/04/2020
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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