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/m8 (1 Low)n/mn/m21 (2 Low) Low
(Index 2)
01/01/2026
08:00
Barnet Tally Ho n/m28 (1 Low)n/m22 (2 Low)28 (2 Low) Low
(Index 2)
01/01/2026
08:00
Beech Street NOx n/m27 (1 Low)n/mn/mn/m Low
(Index 1)
01/01/2026
08:00
Beech Street PM n/mn/mn/mn/m20 (2 Low) Low
(Index 2)
01/01/2026
08:00
Bell Wharf Lane n/m17 (1 Low)n/mn/m36 (3 Low) Low
(Index 3)
01/01/2026
08:00
Brent Ikea 35 (2 Low)n/mn/m22 (2 Low)n/m Low
(Index 2)
01/01/2026
08:00
Camden - Coopers Lane n/mn/mn/m15 (2 Low)20 (2 Low) Low
(Index 2)
01/01/2026
08:00
Camden - Euston Road n/m26 (1 Low)n/m19 (2 Low)26 (2 Low) Low
(Index 2)
01/01/2026
08:00
Camden High Street n/m13 (1 Low)n/mn/mn/m Low
(Index 1)
01/01/2026
08:00
Ealing Acton Background (sensor) n/m40 (1 Low)n/m22 (2 Low)29 (2 Low) Low
(Index 2)
01/01/2026
08:00
Ealing Elthorne Park High School (sensor) n/m49 (1 Low)n/m38 (4 Moderate)64 (5 Moderate) Moderate
(Index 5)
01/01/2026
08:00
Ealing Greenford Background (sensor) n/m37 (1 Low)n/m19 (2 Low)23 (2 Low) Low
(Index 2)
01/01/2026
08:00
Ealing Havelock Primary School (sensor) n/m45 (1 Low)n/m16 (2 Low)21 (2 Low) Low
(Index 2)
01/01/2026
08:00
Ealing John Perryn Primary School (sensor) n/m42 (1 Low)n/m13 (2 Low)16 (1 Low) Low
(Index 2)
01/01/2026
08:00
Ealing Khalsa Primary School (sensor) n/m42 (1 Low)n/m13 (2 Low)17 (2 Low) Low
(Index 2)
01/01/2026
08:00
Ealing Lady Margaret Primary School (sensor) n/m38 (1 Low)n/m18 (2 Low)23 (2 Low) Low
(Index 2)
01/01/2026
08:00
Ealing Northolt High School (sensor) n/mn/an/mn/an/a No Data 17/11/2025
07:00
Ealing Twyford CofE High School (sensor) n/m44 (1 Low)n/m19 (2 Low)27 (2 Low) Low
(Index 2)
01/01/2026
08:00
Ealing William Perkin CofE School (sensor) n/m39 (1 Low)n/m13 (2 Low)16 (1 Low) Low
(Index 2)
01/01/2026
08:00
Fulham Town Centre 51 (2 Low)11 (1 Low)n/m18 (2 Low)21 (2 Low) Low
(Index 2)
01/01/2026
08:00
Greenwich Westhorne Avenue 48 (2 Low)n/mn/mn/mn/m Low
(Index 2)
01/01/2026
08:00
Greenwich Woolwich Flyover 39 (2 Low)n/mn/m20 (2 Low)n/m Low
(Index 2)
01/01/2026
08:00
Guildhall 42 (2 Low)n/mn/mn/mn/m Low
(Index 2)
01/01/2026
08:00
Hackney Amhurst Road n/m21 (1 Low)n/mn/m24 (2 Low) Low
(Index 2)
01/01/2026
08:00
Hackney Dalston Lane n/m38 (1 Low)n/mn/m30 (2 Low) Low
(Index 2)
01/01/2026
08:00
Hackney Graham Road n/m22 (1 Low)n/m16 (2 Low)21 (2 Low) Low
(Index 2)
01/01/2026
08:00
Hackney Green Lanes n/m14 (1 Low)n/mn/mn/m Low
(Index 1)
01/01/2026
08:00
Hackney Homerton Library n/m18 (1 Low)n/mn/m26 (2 Low) Low
(Index 2)
01/01/2026
08:00
Hackney Northwold Road n/m17 (1 Low)n/m18 (2 Low)22 (2 Low) Low
(Index 2)
01/01/2026
08:00
Hackney Old Street 40 (2 Low)26 (1 Low)n/m21 (2 Low)28 (2 Low) Low
(Index 2)
01/01/2026
08:00
Hammersmith Town Centre 44 (2 Low)7 (1 Low)n/m19 (2 Low)20 (2 Low) Low
(Index 2)
01/01/2026
08:00
Haringey Wood Green n/m17 (1 Low)n/m16 (2 Low)19 (2 Low) Low
(Index 2)
01/01/2026
08:00
Heathrow Bath Road n/m33 (1 Low)n/m13 (2 Low)15 (1 Low) Low
(Index 2)
01/01/2026
08:00
Heathrow Green Gates n/m4 (1 Low)n/m11 (1 Low)13 (1 Low) Low
(Index 1)
01/01/2026
08:00
Heathrow LHR2 n/m35 (1 Low)n/m12 (2 Low)14 (1 Low) Low
(Index 2)
01/01/2026
08:00
Hillingdon Harmondsworth n/m10 (1 Low)n/mn/m13 (1 Low) Low
(Index 1)
01/01/2026
07:00
Hillingdon Harmondsworth Osiris n/mn/mn/m4 (1 Low)5 (1 Low) Low
(Index 1)
01/01/2026
08:00
Hillingdon Hayes n/m9 (1 Low)n/mn/m22 (2 Low) Low
(Index 2)
01/01/2026
05:00
Hillingdon Oxford Avenue n/m30 (1 Low)n/mn/m20 (2 Low) Low
(Index 2)
01/01/2026
08:00
Hillingdon Sipson n/m10 (1 Low)n/mn/mn/m Low
(Index 1)
01/01/2026
08:00
Hillingdon South Ruislip n/m4 (1 Low)n/mn/m18 (2 Low) Low
(Index 2)
01/01/2026
08:00
Hounslow Brentford n/m13 (1 Low)n/m14 (2 Low)20 (2 Low) Low
(Index 2)
01/01/2026
08:00
Hounslow Chiswick n/m13 (1 Low)n/m22 (2 Low)25 (2 Low) Low
(Index 2)
01/01/2026
08:00
Hounslow Feltham n/m8 (1 Low)n/mn/an/a Low
(Index 1)
01/01/2026
08:00
Hounslow Gunnersbury n/m19 (1 Low)n/mn/an/a Low
(Index 1)
01/01/2026
08:00
Hounslow Hatton Cross n/m18 (1 Low)n/mn/an/a Low
(Index 1)
01/01/2026
08:00
Hounslow Heston n/m16 (1 Low)n/mn/an/a Low
(Index 1)
01/01/2026
08:00
Kingston Upon Thames Cromwell Road n/m8 (1 Low)n/mn/m20 (2 Low) Low
(Index 2)
01/01/2026
08:00
Kingston Upon Thames Kingston Vale n/m7 (1 Low)n/mn/m18 (2 Low) Low
(Index 2)
01/01/2026
08:00
Kingston Upon Thames Tolworth Broadway n/m8 (1 Low)n/m17 (2 Low)n/m Low
(Index 2)
01/01/2026
08:00
Newham Cam Road n/m14 (1 Low)n/m19 (2 Low)20 (2 Low) Low
(Index 2)
01/01/2026
08:00
Newham East Ham Town Hall n/m18 (1 Low)n/m29 (3 Low)n/m Low
(Index 3)
01/01/2026
08:00
Newham Wren Close n/m10 (1 Low)n/m19 (2 Low)22 (2 Low) Low
(Index 2)
01/01/2026
08:00
RBKC Chelsea Old Town Hall n/m12 (1 Low)n/mn/mn/m Low
(Index 1)
01/01/2026
08:00
RBKC Cromwell Road 37 (2 Low)23 (1 Low)n/mn/an/a Low
(Index 2)
01/01/2026
08:00
RBKC Earl's Court Road n/m11 (1 Low)n/mn/m28 (2 Low) Low
(Index 2)
01/01/2026
08:00
RBKC Knightsbridge n/m11 (1 Low)n/mn/mn/m Low
(Index 1)
01/01/2026
08:00
Redbridge Gardner Close n/m16 (1 Low)n/mn/m24 (2 Low) Low
(Index 2)
01/01/2026
08:00
Redbridge Ley Street 44 (2 Low)17 (1 Low)n/m18 (2 Low)18 (2 Low) Low
(Index 2)
01/01/2026
08:00
Riverwalk 44 (2 Low)9 (1 Low)n/m16 (2 Low)19 (2 Low) Low
(Index 2)
01/01/2026
08:00
Sands End 51 (2 Low)6 (1 Low)n/m16 (2 Low)18 (2 Low) Low
(Index 2)
01/01/2026
08:00
Shepherds Bush Town Centre n/m28 (1 Low)n/mn/a26 (2 Low) Low
(Index 2)
01/01/2026
08:00
Southwark A2 Old Kent Road (FIDAS) n/mn/mn/m17 (2 Low)20 (2 Low) Low
(Index 2)
01/01/2026
08:00
Southwark Elephant and Castle 51 (2 Low)7 (1 Low)n/m16 (2 Low)19 (2 Low) Low
(Index 2)
01/01/2026
08:00
Southwark Lower Road n/mn/an/m17 (2 Low)21 (2 Low) Low
(Index 2)
01/01/2026
08:00
Southwark South Circular Road n/m14 (1 Low)n/m18 (2 Low)21 (2 Low) Low
(Index 2)
01/01/2026
08:00
Southwark Tower Bridge Road n/m11 (1 Low)n/m17 (2 Low)22 (2 Low) Low
(Index 2)
01/01/2026
08:00
Southwark Vicarage Grove n/m22 (1 Low)n/m25 (3 Low)30 (2 Low) Low
(Index 3)
01/01/2026
08:00
Sutton Beddington Lane north n/m7 (1 Low)n/m22 (2 Low)n/a Low
(Index 2)
01/01/2026
08:00
Sutton Beddington Village n/m7 (1 Low)n/mn/m19 (2 Low) Low
(Index 2)
01/01/2026
08:00
Sutton Wallington n/mn/an/mn/mn/a No Data 21/06/2024
17:00
Sutton Worcester Park n/m5 (1 Low)n/mn/m20 (2 Low) Low
(Index 2)
01/01/2026
08:00
The Aldgate School n/m20 (1 Low)n/m26 (3 Low)21 (2 Low) Low
(Index 3)
01/01/2026
08:00
Tower Hamlets - Blackwall 60 (2 Low)17 (1 Low)n/m19 (2 Low)26 (2 Low) Low
(Index 2)
01/01/2026
08:00
Waltham Forest Crooked Billet n/m11 (1 Low)n/mn/m27 (2 Low) Low
(Index 2)
01/01/2026
08:00
Waltham Forest Dawlish Rd n/m14 (1 Low)n/m20 (2 Low)19 (2 Low) Low
(Index 2)
01/01/2026
07:00
Waltham Forest Leyton n/m12 (1 Low)n/mn/m21 (2 Low) Low
(Index 2)
01/01/2026
08:00
Wormwood Scrubs 41 (2 Low)13 (1 Low)n/m17 (2 Low)20 (2 Low) Low
(Index 2)
01/01/2026
08:00
Camden Kerbside (Swiss Cottage) n/m14 (1 Low)n/m23 (2 Low)29 (2 Low) Low
(Index 2)
01/01/2026
08:00
Ealing Horn Lane n/mn/mn/mn/m26 (2 Low) Low
(Index 2)
01/01/2026
08:00
Haringey Roadside n/m20 (1 Low)n/mn/mn/m Low
(Index 1)
01/01/2026
08:00
London Bexley n/m8 (1 Low)n/m17 (2 Low)20 (2 Low) Low
(Index 2)
01/01/2026
08:00
London Bloomsbury 36 (2 Low)16 (1 Low)1 (1 Low)16 (2 Low)19 (2 Low) Low
(Index 2)
01/01/2026
08:00
London Farringdon Street n/m21 (1 Low)n/m20 (2 Low)n/m Low
(Index 2)
01/01/2026
08:00
London Haringey Priory Park South 46 (2 Low)10 (1 Low)n/m14 (2 Low)17 (2 Low) Low
(Index 2)
01/01/2026
08:00
London Harlington 54 (2 Low)6 (1 Low)n/m12 (2 Low)13 (1 Low) Low
(Index 2)
01/01/2026
08:00
London Hillingdon 39 (2 Low)18 (1 Low)n/m15 (2 Low)17 (2 Low) Low
(Index 2)
01/01/2026
08:00
London Honor Oak Park 56 (2 Low)n/mn/m16 (2 Low)18 (2 Low) Low
(Index 2)
01/01/2026
08:00
London Marylebone Road 25 (1 Low)17 (1 Low)1 (1 Low)25 (3 Low)29 (2 Low) Low
(Index 3)
01/01/2026
08:00
London N. Kensington (RBKC North Kensington) 45 (2 Low)13 (1 Low)2 (1 Low)16 (2 Low)19 (2 Low) Low
(Index 2)
01/01/2026
08:00
London Norbury Manor School n/mn/mn/m17 (2 Low)20 (2 Low) Low
(Index 2)
01/01/2026
08:00
London Teddington Bushy Park n/mn/mn/m15 (2 Low)18 (2 Low) Low
(Index 2)
01/01/2026
08:00
London Westminster 42 (2 Low)11 (1 Low)n/mn/an/m Low
(Index 2)
01/01/2026
08:00
Southwark A2 Old Kent Road n/m14 (1 Low)n/mn/m23 (2 Low) Low
(Index 2)
01/01/2026
08:00

» 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:
MODERATE ( Index 5)
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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