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/m14 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Barnet Tally Ho n/m17 (1 Low)n/m5 (1 Low)11 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Beech Street NOx n/m40 (1 Low)n/mn/mn/m Low
(Index 1)		 08/07/2025
10:00
Beech Street PM n/mn/mn/mn/m13 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Bell Wharf Lane n/m21 (1 Low)n/mn/m16 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Brent Ikea 47 (2 Low)n/mn/m8 (1 Low)n/m Low
(Index 2)		 08/07/2025
10:00
Camden - Coopers Lane n/mn/mn/mn/an/a No Data 06/07/2025
21:00
Camden - Euston Road n/m27 (1 Low)n/mn/a4 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Camden High Street n/m5 (1 Low)n/mn/mn/m Low
(Index 1)		 08/07/2025
10:00
Ealing Acton Background (sensor) n/m11 (1 Low)n/m7 (1 Low)20 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Ealing Elthorne Park High School (sensor) n/m14 (1 Low)n/m7 (1 Low)23 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Ealing Greenford Background (sensor) n/m16 (1 Low)n/m7 (1 Low)16 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Ealing Havelock Primary School (sensor) n/m26 (1 Low)n/m7 (1 Low)16 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Ealing John Perryn Primary School (sensor) n/m15 (1 Low)n/m5 (1 Low)14 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Ealing Khalsa Primary School (sensor) n/m14 (1 Low)n/m6 (1 Low)17 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Ealing Lady Margaret Primary School (sensor) n/m15 (1 Low)n/m5 (1 Low)13 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Ealing Northolt High School (sensor) n/m16 (1 Low)n/m6 (1 Low)16 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Ealing Twyford CofE High School (sensor) n/m11 (1 Low)n/m8 (1 Low)22 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Ealing William Perkin CofE School (sensor) n/m11 (1 Low)n/m6 (1 Low)16 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Fulham Town Centre 57 (2 Low)9 (1 Low)n/m5 (1 Low)11 (1 Low) Low
(Index 2)		 08/07/2025
10:00
Greenwich Westhorne Avenue 51 (2 Low)n/mn/mn/mn/m Low
(Index 2)		 08/07/2025
10:00
Greenwich Woolwich Flyover n/an/mn/mn/an/m No Data 25/06/2025
14:00
Guildhall 52 (2 Low)n/mn/mn/mn/m Low
(Index 2)		 08/07/2025
10:00
Hackney Amhurst Road n/m-1 (1 Low)n/mn/m15 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Hackney Dalston Lane n/m21 (1 Low)n/mn/m15 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Hackney Graham Road n/m6 (1 Low)n/m5 (1 Low)11 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Hackney Green Lanes n/mn/an/mn/mn/m No Data 01/07/2025
11:00
Hackney Homerton Library n/m33 (1 Low)n/mn/m19 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Hackney Northwold Road n/m17 (1 Low)n/m6 (1 Low)13 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Hackney Old Street 13 (1 Low)12 (1 Low)n/m6 (1 Low)17 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Hammersmith Town Centre n/an/an/mn/an/a No Data 30/06/2025
09:00
Haringey Wood Green n/m40 (1 Low)n/m5 (1 Low)9 (1 Low) Low
(Index 1)		 08/07/2025
09:00
Heathrow Bath Road n/m2 (1 Low)n/m7 (1 Low)13 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Heathrow Green Gates n/m7 (1 Low)n/m5 (1 Low)11 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Heathrow LHR2 n/m7 (1 Low)n/mn/an/a Low
(Index 1)		 08/07/2025
10:00
Hillingdon Harmondsworth n/m6 (1 Low)n/mn/m8 (1 Low) Low
(Index 1)		 08/07/2025
06:00
Hillingdon Harmondsworth Osiris n/mn/mn/m5 (1 Low)11 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Hillingdon Hayes n/m25 (1 Low)n/mn/m24 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Hillingdon Oxford Avenue n/m3 (1 Low)n/mn/m18 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Hillingdon Sipson n/mn/an/mn/mn/m No Data 12/04/2025
21:00
Hillingdon South Ruislip n/m8 (1 Low)n/mn/m21 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Hounslow Brentford n/mn/an/mn/an/a No Data 02/07/2025
10:00
Hounslow Chiswick n/mn/an/mn/an/a No Data 02/07/2025
10:00
Hounslow Feltham n/mn/an/mn/an/a No Data 02/07/2025
10:00
Hounslow Gunnersbury n/mn/an/mn/an/a No Data 02/07/2025
10:00
Hounslow Hatton Cross n/mn/an/mn/an/a No Data 02/07/2025
10:00
Hounslow Heston n/mn/an/mn/an/a No Data 02/07/2025
10:00
Kingston Upon Thames Cromwell Road n/m21 (1 Low)n/mn/m29 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Kingston Upon Thames Kingston Vale n/m-2 (1 Low)n/mn/m14 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Kingston Upon Thames Tolworth Broadway n/m11 (1 Low)n/m7 (1 Low)n/m Low
(Index 1)		 08/07/2025
10:00
Newham Cam Road n/m2 (1 Low)n/m5 (1 Low)14 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Newham East Ham Town Hall n/m13 (1 Low)n/m9 (1 Low)n/m Low
(Index 1)		 08/07/2025
10:00
Newham Wren Close n/m2 (1 Low)n/m7 (1 Low)13 (1 Low) Low
(Index 1)		 08/07/2025
10:00
RBKC Chelsea Old Town Hall n/m14 (1 Low)n/mn/mn/m Low
(Index 1)		 08/07/2025
10:00
RBKC Cromwell Road 63 (2 Low)7 (1 Low)n/m3 (1 Low)11 (1 Low) Low
(Index 2)		 08/07/2025
10:00
RBKC Earl's Court Road n/m35 (1 Low)n/mn/m22 (2 Low) Low
(Index 2)		 08/07/2025
10:00
RBKC Knightsbridge n/m14 (1 Low)n/mn/mn/m Low
(Index 1)		 08/07/2025
10:00
Redbridge Gardner Close n/m4 (1 Low)n/mn/m10 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Redbridge Ley Street 56 (2 Low)-1 (1 Low)n/m4 (1 Low)11 (1 Low) Low
(Index 2)		 08/07/2025
10:00
Riverwalk 55 (2 Low)3 (1 Low)n/m5 (1 Low)9 (1 Low) Low
(Index 2)		 08/07/2025
10:00
Sands End 57 (2 Low)6 (1 Low)n/m4 (1 Low)9 (1 Low) Low
(Index 2)		 08/07/2025
10:00
Shepherds Bush Town Centre n/m26 (1 Low)n/m7 (1 Low)17 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Southwark A2 Old Kent Road (FIDAS) n/mn/mn/m6 (1 Low)17 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Southwark Elephant and Castle 67 (3 Low)16 (1 Low)n/m5 (1 Low)10 (1 Low) Low
(Index 3)		 08/07/2025
10:00
Southwark Lower Road n/mn/an/m5 (1 Low)12 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Southwark South Circular Road n/m4 (1 Low)n/m5 (1 Low)11 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Southwark Tower Bridge Road n/m16 (1 Low)n/m5 (1 Low)12 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Southwark Vicarage Grove n/m12 (1 Low)n/m6 (1 Low)13 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Sutton Beddington Lane north n/m10 (1 Low)n/m10 (1 Low)16 (1 Low) Low
(Index 1)		 08/07/2025
10:00
Sutton Beddington Village n/m18 (1 Low)n/mn/m21 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Sutton Wallington n/mn/an/mn/mn/a No Data 21/06/2024
17:00
Sutton Worcester Park n/m6 (1 Low)n/mn/m12 (1 Low) Low
(Index 1)		 08/07/2025
10:00
The Aldgate School n/m8 (1 Low)n/m6 (1 Low)17 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Tower Hamlets - Blackwall 49 (2 Low)21 (1 Low)n/m7 (1 Low)21 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Waltham Forest Crooked Billet n/m8 (1 Low)n/mn/m21 (2 Low) Low
(Index 2)		 08/07/2025
09:00
Waltham Forest Dawlish Rd n/mn/an/m6 (1 Low)16 (1 Low) Low
(Index 1)		 08/07/2025
09:00
Waltham Forest Leyton n/m8 (1 Low)n/mn/m13 (1 Low) Low
(Index 1)		 08/07/2025
09:00
Wormwood Scrubs 91 (3 Low)7 (1 Low)n/m6 (1 Low)14 (1 Low) Low
(Index 3)		 08/07/2025
10:00
Camden Kerbside (Swiss Cottage) n/m27 (1 Low)n/m8 (1 Low)24 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Ealing Horn Lane n/mn/mn/mn/m27 (2 Low) Low
(Index 2)		 08/07/2025
10:00
Haringey Roadside n/m15 (1 Low)n/mn/mn/m Low
(Index 1)		 08/07/2025
10:00
London Bexley n/m7 (1 Low)n/m5 (1 Low)10 (1 Low) Low
(Index 1)		 08/07/2025
10:00
London Bloomsbury 55 (2 Low)15 (1 Low)2 (1 Low)5 (1 Low)10 (1 Low) Low
(Index 2)		 08/07/2025
10:00
London Farringdon Street n/m35 (1 Low)n/m6 (1 Low)n/m Low
(Index 1)		 08/07/2025
10:00
London Haringey Priory Park South 60 (2 Low)1 (1 Low)n/m4 (1 Low)9 (1 Low) Low
(Index 2)		 08/07/2025
10:00
London Harlington 53 (2 Low)n/an/m5 (1 Low)11 (1 Low) Low
(Index 2)		 08/07/2025
10:00
London Hillingdon 51 (2 Low)2 (1 Low)n/m5 (1 Low)10 (1 Low) Low
(Index 2)		 08/07/2025
10:00
London Honor Oak Park 65 (2 Low)n/mn/m4 (1 Low)9 (1 Low) Low
(Index 2)		 08/07/2025
10:00
London Marylebone Road 51 (2 Low)8 (1 Low)2 (1 Low)5 (1 Low)15 (1 Low) Low
(Index 2)		 08/07/2025
10:00
London N. Kensington (RBKC North Kensington) 60 (2 Low)4 (1 Low)n/a5 (1 Low)10 (1 Low) Low
(Index 2)		 08/07/2025
10:00
London Norbury Manor School n/mn/mn/m5 (1 Low)9 (1 Low) Low
(Index 1)		 08/07/2025
10:00
London Teddington Bushy Park n/mn/mn/m4 (1 Low)9 (1 Low) Low
(Index 1)		 08/07/2025
10:00
London Westminster 39 (2 Low)11 (1 Low)n/m5 (1 Low)n/m Low
(Index 2)		 08/07/2025
10:00
Southwark A2 Old Kent Road n/m26 (1 Low)n/mn/m21 (2 Low) Low
(Index 2)		 08/07/2025
10:00

» 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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