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/m1 (1 Low)n/mn/m18 (2 Low) Low
(Index 2)
16/07/2025
14:00
Barnet Tally Ho n/m10 (1 Low)n/m6 (1 Low)15 (1 Low) Low
(Index 1)
16/07/2025
13:00
Beech Street NOx n/m31 (1 Low)n/mn/mn/m Low
(Index 1)
16/07/2025
14:00
Beech Street PM n/mn/mn/mn/m15 (1 Low) Low
(Index 1)
16/07/2025
14:00
Bell Wharf Lane n/m27 (1 Low)n/mn/m22 (2 Low) Low
(Index 2)
16/07/2025
14:00
Brent Ikea 56 (2 Low)n/mn/m8 (1 Low)n/m Low
(Index 2)
16/07/2025
14:00
Camden - Coopers Lane n/mn/mn/m9 (1 Low)20 (2 Low) Low
(Index 2)
16/07/2025
14:00
Camden - Euston Road n/m8 (1 Low)n/m-1 (1 Low)7 (1 Low) Low
(Index 1)
16/07/2025
14:00
Camden High Street n/m5 (1 Low)n/mn/mn/m Low
(Index 1)
16/07/2025
14:00
Ealing Acton Background (sensor) n/m11 (1 Low)n/m7 (1 Low)24 (2 Low) Low
(Index 2)
16/07/2025
14:00
Ealing Elthorne Park High School (sensor) n/m14 (1 Low)n/m7 (1 Low)28 (2 Low) Low
(Index 2)
16/07/2025
14:00
Ealing Greenford Background (sensor) n/m20 (1 Low)n/m6 (1 Low)17 (2 Low) Low
(Index 2)
16/07/2025
14:00
Ealing Havelock Primary School (sensor) n/m20 (1 Low)n/m7 (1 Low)18 (2 Low) Low
(Index 2)
16/07/2025
14:00
Ealing John Perryn Primary School (sensor) n/m17 (1 Low)n/m5 (1 Low)15 (1 Low) Low
(Index 1)
16/07/2025
14:00
Ealing Khalsa Primary School (sensor) n/m22 (1 Low)n/m6 (1 Low)18 (2 Low) Low
(Index 2)
16/07/2025
14:00
Ealing Lady Margaret Primary School (sensor) n/m15 (1 Low)n/m5 (1 Low)16 (1 Low) Low
(Index 1)
16/07/2025
14:00
Ealing Northolt High School (sensor) n/m17 (1 Low)n/m6 (1 Low)20 (2 Low) Low
(Index 2)
16/07/2025
14:00
Ealing Twyford CofE High School (sensor) n/m10 (1 Low)n/m6 (1 Low)19 (2 Low) Low
(Index 2)
16/07/2025
14:00
Ealing William Perkin CofE School (sensor) n/m9 (1 Low)n/m5 (1 Low)16 (1 Low) Low
(Index 1)
16/07/2025
14:00
Fulham Town Centre 51 (2 Low)11 (1 Low)n/m6 (1 Low)13 (1 Low) Low
(Index 2)
16/07/2025
14:00
Greenwich Westhorne Avenue 47 (2 Low)n/mn/mn/mn/m Low
(Index 2)
16/07/2025
14:00
Greenwich Woolwich Flyover 35 (2 Low)n/mn/m11 (1 Low)n/m Low
(Index 2)
16/07/2025
13:00
Guildhall 47 (2 Low)n/mn/mn/mn/m Low
(Index 2)
16/07/2025
14:00
Hackney Amhurst Road n/m18 (1 Low)n/mn/m20 (2 Low) Low
(Index 2)
16/07/2025
14:00
Hackney Dalston Lane n/m23 (1 Low)n/mn/m20 (2 Low) Low
(Index 2)
16/07/2025
14:00
Hackney Graham Road n/m6 (1 Low)n/m6 (1 Low)14 (1 Low) Low
(Index 1)
16/07/2025
14:00
Hackney Green Lanes n/m10 (1 Low)n/mn/mn/m Low
(Index 1)
16/07/2025
14:00
Hackney Homerton Library n/m30 (1 Low)n/mn/m24 (2 Low) Low
(Index 2)
16/07/2025
14:00
Hackney Northwold Road n/m18 (1 Low)n/m6 (1 Low)13 (1 Low) Low
(Index 1)
16/07/2025
14:00
Hackney Old Street 46 (2 Low)18 (1 Low)n/m8 (1 Low)21 (2 Low) Low
(Index 2)
16/07/2025
14:00
Hammersmith Town Centre 53 (2 Low)n/an/mn/an/a Low
(Index 2)
16/07/2025
14:00
Haringey Wood Green n/m52 (1 Low)n/m5 (1 Low)9 (1 Low) Low
(Index 1)
16/07/2025
13:00
Heathrow Bath Road n/m4 (1 Low)n/m6 (1 Low)15 (1 Low) Low
(Index 1)
16/07/2025
14:00
Heathrow Green Gates n/mn/an/mn/an/a No Data 16/07/2025
01:00
Heathrow LHR2 n/m8 (1 Low)n/mn/an/a Low
(Index 1)
16/07/2025
14:00
Hillingdon Harmondsworth n/m0 (1 Low)n/mn/m15 (1 Low) Low
(Index 1)
16/07/2025
13:00
Hillingdon Harmondsworth Osiris n/mn/mn/m9 (1 Low)16 (1 Low) Low
(Index 1)
16/07/2025
14:00
Hillingdon Hayes n/m19 (1 Low)n/mn/m28 (2 Low) Low
(Index 2)
16/07/2025
14:00
Hillingdon Oxford Avenue n/m3 (1 Low)n/mn/m24 (2 Low) Low
(Index 2)
16/07/2025
14:00
Hillingdon Sipson n/mn/an/mn/mn/m No Data 12/04/2025
21:00
Hillingdon South Ruislip n/m13 (1 Low)n/mn/m23 (2 Low) Low
(Index 2)
16/07/2025
14:00
Hounslow Brentford n/m22 (1 Low)n/m8 (1 Low)19 (2 Low) Low
(Index 2)
16/07/2025
14:00
Hounslow Chiswick n/m12 (1 Low)n/m5 (1 Low)13 (1 Low) Low
(Index 1)
16/07/2025
14:00
Hounslow Feltham n/m15 (1 Low)n/m4 (1 Low)4 (1 Low) Low
(Index 1)
16/07/2025
14:00
Hounslow Gunnersbury n/m50 (1 Low)n/m5 (1 Low)15 (1 Low) Low
(Index 1)
16/07/2025
14:00
Hounslow Hatton Cross n/m17 (1 Low)n/m7 (1 Low)14 (1 Low) Low
(Index 1)
16/07/2025
14:00
Hounslow Heston n/m20 (1 Low)n/m7 (1 Low)15 (1 Low) Low
(Index 1)
16/07/2025
14:00
Kingston Upon Thames Cromwell Road n/m27 (1 Low)n/mn/m26 (2 Low) Low
(Index 2)
16/07/2025
14:00
Kingston Upon Thames Kingston Vale n/m3 (1 Low)n/mn/m19 (2 Low) Low
(Index 2)
16/07/2025
14:00
Kingston Upon Thames Tolworth Broadway n/m16 (1 Low)n/m6 (1 Low)n/m Low
(Index 1)
16/07/2025
14:00
Newham Cam Road n/m6 (1 Low)n/m6 (1 Low)15 (1 Low) Low
(Index 1)
16/07/2025
14:00
Newham East Ham Town Hall n/m14 (1 Low)n/m10 (1 Low)n/m Low
(Index 1)
16/07/2025
14:00
Newham Wren Close n/m5 (1 Low)n/m6 (1 Low)15 (1 Low) Low
(Index 1)
16/07/2025
14:00
RBKC Chelsea Old Town Hall n/m18 (1 Low)n/mn/mn/m Low
(Index 1)
16/07/2025
14:00
RBKC Cromwell Road 58 (2 Low)7 (1 Low)n/m3 (1 Low)16 (1 Low) Low
(Index 2)
16/07/2025
14:00
RBKC Earl's Court Road n/m33 (1 Low)n/mn/m22 (2 Low) Low
(Index 2)
16/07/2025
14:00
RBKC Knightsbridge n/m29 (1 Low)n/mn/mn/m Low
(Index 1)
16/07/2025
14:00
Redbridge Gardner Close n/m8 (1 Low)n/mn/m15 (1 Low) Low
(Index 1)
16/07/2025
14:00
Redbridge Ley Street 57 (2 Low)4 (1 Low)n/m4 (1 Low)13 (1 Low) Low
(Index 2)
16/07/2025
14:00
Riverwalk 53 (2 Low)2 (1 Low)n/m5 (1 Low)11 (1 Low) Low
(Index 2)
16/07/2025
14:00
Sands End 55 (2 Low)3 (1 Low)n/m5 (1 Low)11 (1 Low) Low
(Index 2)
16/07/2025
14:00
Shepherds Bush Town Centre n/m24 (1 Low)n/m7 (1 Low)19 (2 Low) Low
(Index 2)
16/07/2025
14:00
Southwark A2 Old Kent Road (FIDAS) n/mn/mn/m6 (1 Low)16 (1 Low) Low
(Index 1)
16/07/2025
14:00
Southwark Elephant and Castle 71 (3 Low)5 (1 Low)n/m6 (1 Low)13 (1 Low) Low
(Index 3)
16/07/2025
14:00
Southwark Lower Road n/mn/an/m6 (1 Low)14 (1 Low) Low
(Index 1)
16/07/2025
14:00
Southwark South Circular Road n/mn/an/m6 (1 Low)14 (1 Low) Low
(Index 1)
16/07/2025
14:00
Southwark Tower Bridge Road n/m18 (1 Low)n/m6 (1 Low)13 (1 Low) Low
(Index 1)
16/07/2025
14:00
Southwark Vicarage Grove n/m14 (1 Low)n/m7 (1 Low)15 (1 Low) Low
(Index 1)
16/07/2025
14:00
Sutton Beddington Lane north n/m20 (1 Low)n/m11 (1 Low)19 (2 Low) Low
(Index 2)
16/07/2025
14:00
Sutton Beddington Village n/m17 (1 Low)n/mn/m19 (2 Low) Low
(Index 2)
16/07/2025
14:00
Sutton Wallington n/mn/an/mn/mn/a No Data 21/06/2024
17:00
Sutton Worcester Park n/m16 (1 Low)n/mn/m16 (1 Low) Low
(Index 1)
16/07/2025
14:00
The Aldgate School n/m13 (1 Low)n/m5 (1 Low)21 (2 Low) Low
(Index 2)
16/07/2025
14:00
Tower Hamlets - Blackwall 49 (2 Low)23 (1 Low)n/m6 (1 Low)17 (2 Low) Low
(Index 2)
16/07/2025
14:00
Waltham Forest Crooked Billet n/m21 (1 Low)n/mn/m23 (2 Low) Low
(Index 2)
16/07/2025
14:00
Waltham Forest Dawlish Rd n/mn/an/m6 (1 Low)19 (2 Low) Low
(Index 2)
16/07/2025
14:00
Waltham Forest Leyton n/m9 (1 Low)n/mn/m15 (1 Low) Low
(Index 1)
16/07/2025
14:00
Wormwood Scrubs 56 (2 Low)8 (1 Low)n/m5 (1 Low)12 (1 Low) Low
(Index 2)
16/07/2025
14:00
Camden Kerbside (Swiss Cottage) n/m14 (1 Low)n/m8 (1 Low)20 (2 Low) Low
(Index 2)
16/07/2025
14:00
Ealing Horn Lane n/mn/mn/mn/m34 (3 Low) Low
(Index 3)
16/07/2025
14:00
Haringey Roadside n/m16 (1 Low)n/mn/mn/m Low
(Index 1)
16/07/2025
14:00
London Bexley n/m7 (1 Low)n/m5 (1 Low)11 (1 Low) Low
(Index 1)
16/07/2025
14:00
London Bloomsbury 52 (2 Low)21 (1 Low)3 (1 Low)6 (1 Low)14 (1 Low) Low
(Index 2)
16/07/2025
14:00
London Farringdon Street n/m28 (1 Low)n/m7 (1 Low)n/m Low
(Index 1)
16/07/2025
14:00
London Haringey Priory Park South 62 (2 Low)1 (1 Low)n/m5 (1 Low)12 (1 Low) Low
(Index 2)
16/07/2025
14:00
London Harlington 61 (2 Low)4 (1 Low)n/m5 (1 Low)12 (1 Low) Low
(Index 2)
16/07/2025
14:00
London Hillingdon 57 (2 Low)3 (1 Low)n/m6 (1 Low)14 (1 Low) Low
(Index 2)
16/07/2025
14:00
London Honor Oak Park 62 (2 Low)n/mn/m6 (1 Low)12 (1 Low) Low
(Index 2)
16/07/2025
14:00
London Marylebone Road 36 (2 Low)13 (1 Low)5 (1 Low)n/an/a Low
(Index 2)
16/07/2025
14:00
London N. Kensington (RBKC North Kensington) 63 (2 Low)4 (1 Low)1 (1 Low)5 (1 Low)13 (1 Low) Low
(Index 2)
16/07/2025
14:00
London Norbury Manor School n/mn/mn/m5 (1 Low)11 (1 Low) Low
(Index 1)
16/07/2025
14:00
London Teddington Bushy Park n/mn/mn/m5 (1 Low)14 (1 Low) Low
(Index 1)
16/07/2025
14:00
London Westminster 40 (2 Low)8 (1 Low)n/m5 (1 Low)n/m Low
(Index 2)
16/07/2025
14:00
Southwark A2 Old Kent Road n/m31 (1 Low)n/mn/m18 (2 Low) Low
(Index 2)
16/07/2025
14:00

» 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 (sensor) [Closed] (VS009) 14/07/2021
Ealing Ada Lovelace CofE School (sensor) [Closed] (EAS03) 23/12/2024
Ealing Alec Reed Academy (sensor) [Closed] (EAS01) 17/04/2025
Ealing Fields High School (sensor) [Closed] (EAS06) 17/01/2025
Ealing Green Quarter [Closed] (EA010) 20/11/2023
Ealing Green Quarter North (sensor) [Closed] (VS013) 08/11/2023
Ealing Green Quarter South (sensor) [Closed] (VS012) 08/11/2023
Ealing King Fahad Academy (sensor) [Closed] (EAS05) 26/09/2023
Farringdon Street [Closed] (CT2) 01/05/2025
Hackney Queensbridge Road [Closed] (HK009) 20/05/2024
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
Kingston Chessington [Closed] (KUT001) 07/07/2008
Kingston Town Centre [Closed] (KUT002) 23/06/2000
Kingston Upon Thames Sopwith Way [Closed] (KUT003) 13/07/2016
RBKC Holland Park Avenue (sensor) [Closed] (VS014) 02/09/2024
RBKC Kensington High Street 1 (sensor) [Closed] (VS007) 07/03/2024
RBKC Kensington High Street 2 (sensor) [Closed] (VS010) 19/01/2024
RBKC Sedding Street (sensor) [Closed] (VS008) 01/09/2024
Scrubs Lane [Closed] (HF3) 27/10/2005
Senator House [Closed] (CT1) 15/01/2013
Sutton Beddington Lane [Closed] (LBS008) 13/04/2024
Sutton Carshalton [Closed] (LBS003) 13/07/2016
Sutton North Cheam [Closed] (LBS002) 03/05/2002
Sutton Robin Hood School [Closed] (LBS001) 26/04/2002
Sutton Therapia Lane [Closed] (LBS007) 10/02/2012
Tant Avenue [Closed] (NEW1) 14/03/2003
Tower Hamlets - King Edward Memorial Park [Closed] (TH005) 31/03/2025
Tower Hamlets - Millwall Park [Closed] (TH001) 31/03/2025
Tower Hamlets - Roadside [Closed] (TH2P) 31/03/2025
Tower Hamlets - Victoria Park [Closed] (TH002) 31/03/2025
Upper Thames Street [Closed] (CT8) 13/09/2021
Walbrook Wharf [Closed] (CT6) 08/01/2023
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 Eltham [Closed] (LON6) 04/07/2023
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
Tower Hamlets Roadside [Closed] (TH2) 31/01/2025
West London [Closed] (WL) 30/09/2007
Overall Pollution Summary:
LOW ( Index 3)
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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