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/m16 (1 Low)n/mn/m18 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Barnet Tally Ho n/m19 (1 Low)n/m16 (2 Low)29 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Beech Street NOx n/m40 (1 Low)n/mn/mn/m Low
(Index 1)		 29/04/2025
21:00
Beech Street PM n/mn/mn/mn/m31 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Bell Wharf Lane n/m36 (1 Low)n/mn/m25 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Brent Ikea 84 (3 Low)n/mn/m18 (2 Low)n/m Low
(Index 3)		 29/04/2025
20:00
Camden - Coopers Lane n/mn/mn/m15 (2 Low)29 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Camden - Euston Road n/m32 (1 Low)n/m18 (2 Low)29 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Camden High Street n/m24 (1 Low)n/mn/mn/m Low
(Index 1)		 29/04/2025
21:00
Ealing Acton Background (sensor) n/mn/an/mn/an/a No Data 04/02/2025
12:00
Ealing Ada Lovelace CofE School (sensor) n/mn/an/mn/an/a No Data 23/12/2024
13:00
Ealing Alec Reed Academy (sensor) n/mn/an/mn/an/a No Data 17/04/2025
09:00
Ealing Fields High School (sensor) n/mn/an/mn/an/a No Data 26/12/2024
19:00
Ealing Greenford Background (sensor) n/mn/an/mn/an/a No Data 14/01/2025
24:00
Ealing Havelock Primary School (sensor) n/mn/an/mn/an/a No Data 04/02/2025
11:00
Ealing John Perryn Primary School (sensor) n/mn/an/mn/an/a No Data 12/07/2024
11:00
Ealing Khalsa Primary School (sensor) n/mn/an/mn/an/a No Data 04/09/2024
02:00
Ealing Lady Margaret Primary School (sensor) n/mn/an/mn/an/a No Data 21/01/2025
24:00
Ealing William Perkin CofE School (sensor) n/mn/an/mn/an/a No Data 18/08/2024
10:00
Farringdon Street n/mn/an/m13 (2 Low)n/m Low
(Index 2)		 29/04/2025
21:00
Fulham Town Centre 96 (3 Low)50 (1 Low)n/m18 (2 Low)29 (2 Low) Low
(Index 3)		 29/04/2025
21:00
Greenwich Westhorne Avenue 76 (3 Low)n/mn/mn/mn/m Low
(Index 3)		 29/04/2025
21:00
Greenwich Woolwich Flyover 100 (3 Low)n/mn/m18 (2 Low)n/m Low
(Index 3)		 29/04/2025
19:00
Guildhall 101 (4 Moderate)n/mn/mn/mn/m Moderate
(Index 4)		 29/04/2025
21:00
Hackney Amhurst Road n/m38 (1 Low)n/mn/m35 (3 Low) Low
(Index 3)		 29/04/2025
21:00
Hackney Dalston Lane n/m29 (1 Low)n/mn/m28 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hackney Graham Road n/m41 (1 Low)n/m16 (2 Low)28 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hackney Green Lanes n/m27 (1 Low)n/mn/mn/m Low
(Index 1)		 29/04/2025
21:00
Hackney Homerton Library n/m28 (1 Low)n/mn/m29 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hackney Northwold Road n/m21 (1 Low)n/m15 (2 Low)24 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hackney Old Street 89 (3 Low)31 (1 Low)n/m18 (2 Low)25 (2 Low) Low
(Index 3)		 29/04/2025
22:00
Hammersmith Town Centre 62 (2 Low)56 (1 Low)n/m18 (2 Low)31 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Haringey Wood Green n/m66 (1 Low)n/m13 (2 Low)18 (2 Low) Low
(Index 2)		 29/04/2025
20:00
Heathrow Bath Road n/m35 (1 Low)n/m16 (2 Low)26 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Heathrow Green Gates n/m19 (1 Low)n/m15 (2 Low)23 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Heathrow LHR2 n/m11 (1 Low)n/m16 (2 Low)27 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hillingdon Harmondsworth n/m17 (1 Low)n/mn/m19 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hillingdon Harmondsworth Osiris n/mn/mn/m5 (1 Low)10 (1 Low) Low
(Index 1)		 29/04/2025
05:00
Hillingdon Hayes n/m43 (1 Low)n/mn/mn/a Low
(Index 1)		 29/04/2025
21:00
Hillingdon Oxford Avenue n/m16 (1 Low)n/mn/m29 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hillingdon Sipson n/mn/an/mn/mn/m No Data 12/04/2025
21:00
Hillingdon South Ruislip n/m32 (1 Low)n/mn/m26 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hounslow Brentford n/m34 (1 Low)n/m15 (2 Low)26 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hounslow Chiswick n/m45 (1 Low)n/m19 (2 Low)28 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hounslow Feltham n/m28 (1 Low)n/m15 (2 Low)24 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hounslow Gunnersbury n/m40 (1 Low)n/m17 (2 Low)28 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hounslow Hatton Cross n/m22 (1 Low)n/m16 (2 Low)23 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Hounslow Heston n/m29 (1 Low)n/m20 (2 Low)33 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Kingston Upon Thames Cromwell Road n/m36 (1 Low)n/mn/m36 (3 Low) Low
(Index 3)		 29/04/2025
21:00
Kingston Upon Thames Kingston Vale n/m16 (1 Low)n/mn/m24 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Kingston Upon Thames Tolworth Broadway n/m23 (1 Low)n/m18 (2 Low)n/m Low
(Index 2)		 29/04/2025
21:00
Newham Cam Road n/m29 (1 Low)n/m14 (2 Low)25 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Newham East Ham Town Hall n/m40 (1 Low)n/m17 (2 Low)n/m Low
(Index 2)		 29/04/2025
21:00
Newham Wren Close n/m25 (1 Low)n/m16 (2 Low)22 (2 Low) Low
(Index 2)		 29/04/2025
21:00
RBKC Chelsea Old Town Hall n/m45 (1 Low)n/mn/mn/m Low
(Index 1)		 29/04/2025
21:00
RBKC Cromwell Road 104 (4 Moderate)29 (1 Low)n/m11 (1 Low)21 (2 Low) Moderate
(Index 4)		 29/04/2025
21:00
RBKC Earl's Court Road n/m39 (1 Low)n/mn/m27 (2 Low) Low
(Index 2)		 29/04/2025
21:00
RBKC Knightsbridge n/m46 (1 Low)n/mn/mn/m Low
(Index 1)		 29/04/2025
21:00
Redbridge Gardner Close n/m54 (1 Low)n/mn/m22 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Redbridge Ley Street 104 (4 Moderate)23 (1 Low)n/m11 (1 Low)20 (2 Low) Moderate
(Index 4)		 29/04/2025
21:00
Riverwalk 111 (4 Moderate)20 (1 Low)n/m17 (2 Low)25 (2 Low) Moderate
(Index 4)		 29/04/2025
21:00
Sands End 99 (3 Low)16 (1 Low)n/m16 (2 Low)27 (2 Low) Low
(Index 3)		 29/04/2025
21:00
Shepherds Bush Town Centre n/m47 (1 Low)n/m14 (2 Low)24 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Southwark A2 Old Kent Road (FIDAS) n/mn/mn/m20 (2 Low)38 (3 Low) Low
(Index 3)		 29/04/2025
21:00
Southwark Elephant and Castle 106 (4 Moderate)25 (1 Low)n/m17 (2 Low)26 (2 Low) Moderate
(Index 4)		 29/04/2025
21:00
Southwark Lower Road n/mn/an/m17 (2 Low)29 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Southwark South Circular Road n/m12 (1 Low)n/m16 (2 Low)25 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Southwark Tower Bridge Road n/m51 (1 Low)n/m17 (2 Low)27 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Southwark Vicarage Grove n/m35 (1 Low)n/m19 (2 Low)28 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Sutton Beddington Lane north n/m20 (1 Low)n/mn/m20 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Sutton Beddington Village n/m22 (1 Low)n/mn/m28 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Sutton Wallington n/mn/an/mn/mn/a No Data 21/06/2024
17:00
Sutton Worcester Park n/m29 (1 Low)n/mn/m27 (2 Low) Low
(Index 2)		 29/04/2025
21:00
The Aldgate School n/m28 (1 Low)n/m15 (2 Low)21 (2 Low) Low
(Index 2)		 29/04/2025
21:00
Tower Hamlets - Blackwall 97 (3 Low)20 (1 Low)n/m20 (2 Low)30 (2 Low) Low
(Index 3)		 29/04/2025
17:00
Waltham Forest Crooked Billet n/m41 (1 Low)n/mn/m33 (2 Low) Low
(Index 2)		 29/04/2025
17:00
Waltham Forest Dawlish Rd n/mn/an/m15 (2 Low)17 (2 Low) Low
(Index 2)		 29/04/2025
17:00
Waltham Forest Leyton n/m6 (1 Low)n/mn/m24 (2 Low) Low
(Index 2)		 29/04/2025
17:00
Wormwood Scrubs 107 (4 Moderate)26 (1 Low)n/m18 (2 Low)28 (2 Low) Moderate
(Index 4)		 29/04/2025
21:00
Camden Kerbside (Swiss Cottage) n/m37 (1 Low)n/m17 (2 Low)47 (3 Low) Low
(Index 3)		 30/04/2025
03:00
Ealing Horn Lane n/mn/mn/mn/m33 (2 Low) Low
(Index 2)		 30/04/2025
03:00
Haringey Roadside n/m34 (1 Low)n/mn/mn/m Low
(Index 1)		 30/04/2025
03:00
London Bexley n/m24 (1 Low)n/m18 (2 Low)28 (2 Low) Low
(Index 2)		 30/04/2025
03:00
London Bloomsbury 48 (2 Low)22 (1 Low)2 (1 Low)14 (2 Low)23 (2 Low) Low
(Index 2)		 30/04/2025
03:00
London Farringdon Street n/mn/mn/mn/mn/m No Data -
London Haringey Priory Park South 45 (2 Low)19 (1 Low)n/m11 (1 Low)18 (2 Low) Low
(Index 2)		 30/04/2025
03:00
London Harlington n/an/an/mn/an/a No Data 29/04/2025
21:00
London Hillingdon 33 (1 Low)19 (1 Low)n/m15 (2 Low)24 (2 Low) Low
(Index 2)		 30/04/2025
03:00
London Honor Oak Park 58 (2 Low)n/mn/m16 (2 Low)23 (2 Low) Low
(Index 2)		 30/04/2025
03:00
London Marylebone Road 35 (2 Low)30 (1 Low)2 (1 Low)16 (2 Low)33 (2 Low) Low
(Index 2)		 30/04/2025
03:00
London N. Kensington (RBKC North Kensington) 58 (2 Low)19 (1 Low)1 (1 Low)16 (2 Low)23 (2 Low) Low
(Index 2)		 30/04/2025
03:00
London Norbury Manor School n/mn/mn/mn/mn/m No Data -
London Teddington Bushy Park n/mn/mn/mn/an/a No Data 29/04/2025
13:00
London Westminster 35 (2 Low)33 (1 Low)n/m13 (2 Low)n/m Low
(Index 2)		 30/04/2025
03:00
Southwark A2 Old Kent Road n/mn/an/mn/m37 (3 Low) Low
(Index 3)		 30/04/2025
03:00

» 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 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
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:
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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