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/m57 (1 Low)n/mn/m15 (1 Low) Low
(Index 1)
25/04/2024
05:00
Barnet Tally Ho n/m149 (3 Low)n/m6 (1 Low)14 (1 Low) Low
(Index 3)
25/04/2024
04:00
Beech Street NOx n/m51 (1 Low)n/mn/mn/m Low
(Index 1)
25/04/2024
04:00
Beech Street PM n/mn/mn/mn/m14 (1 Low) Low
(Index 1)
25/04/2024
03:00
Bell Wharf Lane n/m43 (1 Low)n/mn/m14 (1 Low) Low
(Index 1)
25/04/2024
04:00
Brent Ikea 14 (1 Low)n/mn/m7 (1 Low)n/m Low
(Index 1)
25/04/2024
05:00
Camden - Coopers Lane n/mn/mn/m6 (1 Low)12 (1 Low) Low
(Index 1)
25/04/2024
04:00
Camden - Euston Road n/m47 (1 Low)n/m7 (1 Low)14 (1 Low) Low
(Index 1)
25/04/2024
04:00
Camden High Street n/m37 (1 Low)n/mn/mn/m Low
(Index 1)
25/04/2024
04:00
Ealing Acton Background (sensor) n/m30 (1 Low)n/m5 (1 Low)14 (1 Low) Low
(Index 1)
25/04/2024
05:00
Ealing Ada Lovelace CofE School (sensor) n/m30 (1 Low)n/m8 (1 Low)20 (2 Low) Low
(Index 2)
25/04/2024
05:00
Ealing Alec Reed Academy (sensor) n/m33 (1 Low)n/m5 (1 Low)14 (1 Low) Low
(Index 1)
25/04/2024
05:00
Ealing Fields High School (sensor) n/m26 (1 Low)n/m6 (1 Low)14 (1 Low) Low
(Index 1)
25/04/2024
05:00
Ealing Greenford Background (sensor) n/mn/an/mn/an/a No Data 13/03/2024
24:00
Ealing Havelock Primary School (sensor) n/m34 (1 Low)n/m6 (1 Low)15 (1 Low) Low
(Index 1)
25/04/2024
05:00
Ealing John Perryn Primary School (sensor) n/m32 (1 Low)n/m5 (1 Low)13 (1 Low) Low
(Index 1)
25/04/2024
05:00
Ealing Khalsa Primary School (sensor) n/m32 (1 Low)n/m5 (1 Low)11 (1 Low) Low
(Index 1)
25/04/2024
05:00
Ealing Lady Margaret Primary School (sensor) n/m38 (1 Low)n/m6 (1 Low)15 (1 Low) Low
(Index 1)
25/04/2024
05:00
Ealing William Perkin CofE School (sensor) n/m34 (1 Low)n/m6 (1 Low)13 (1 Low) Low
(Index 1)
25/04/2024
05:00
Farringdon Street n/mn/an/m8 (1 Low)n/m Low
(Index 1)
25/04/2024
04:00
Fulham Town Centre 51 (2 Low)36 (1 Low)n/m5 (1 Low)10 (1 Low) Low
(Index 2)
25/04/2024
05:00
Greenwich Westhorne Avenue 32 (1 Low)n/mn/mn/mn/m Low
(Index 1)
25/04/2024
04:00
Greenwich Woolwich Flyover n/an/mn/mn/an/m No Data 24/04/2024
19:00
Guildhall 58 (2 Low)n/mn/mn/mn/m Low
(Index 2)
25/04/2024
04:00
Hackney Amhurst Road n/m32 (1 Low)n/mn/m13 (1 Low) Low
(Index 1)
25/04/2024
02:00
Hackney Dalston Lane n/m69 (2 Low)n/mn/m15 (1 Low) Low
(Index 2)
25/04/2024
04:00
Hackney Green Lanes n/m69 (2 Low)n/mn/mn/m Low
(Index 2)
25/04/2024
02:00
Hackney Homerton Library n/mn/an/mn/m18 (2 Low) Low
(Index 2)
25/04/2024
02:00
Hackney Old Street 52 (2 Low)37 (1 Low)n/mn/a25 (2 Low) Low
(Index 2)
25/04/2024
05:00
Hackney Queensbridge Road n/mn/an/mn/m15 (1 Low) Low
(Index 1)
25/04/2024
02:00
Hammersmith Town Centre 62 (2 Low)50 (1 Low)n/m8 (1 Low)9 (1 Low) Low
(Index 2)
25/04/2024
05:00
Haringey Wood Green n/m55 (1 Low)n/m7 (1 Low)13 (1 Low) Low
(Index 1)
25/04/2024
03:00
Heathrow Bath Road n/m28 (1 Low)n/m7 (1 Low)13 (1 Low) Low
(Index 1)
25/04/2024
04:00
Heathrow Green Gates n/m27 (1 Low)n/m6 (1 Low)11 (1 Low) Low
(Index 1)
25/04/2024
04:00
Heathrow LHR2 n/m24 (1 Low)n/m6 (1 Low)12 (1 Low) Low
(Index 1)
25/04/2024
04:00
Hillingdon Harmondsworth n/m34 (1 Low)n/mn/m13 (1 Low) Low
(Index 1)
25/04/2024
03:00
Hillingdon Harmondsworth Osiris n/mn/mn/m4 (1 Low)9 (1 Low) Low
(Index 1)
24/04/2024
24:00
Hillingdon Hayes n/m62 (1 Low)n/mn/m36 (3 Low) Low
(Index 3)
25/04/2024
04:00
Hillingdon Oxford Avenue n/m27 (1 Low)n/mn/m17 (2 Low) Low
(Index 2)
25/04/2024
04:00
Hillingdon Sipson n/m27 (1 Low)n/mn/mn/m Low
(Index 1)
25/04/2024
04:00
Hillingdon South Ruislip n/m54 (1 Low)n/mn/m19 (2 Low) Low
(Index 2)
25/04/2024
04:00
Hounslow Brentford n/m58 (1 Low)n/m8 (1 Low)29 (2 Low) Low
(Index 2)
24/04/2024
24:00
Hounslow Chiswick n/m50 (1 Low)n/mn/a21 (2 Low) Low
(Index 2)
25/04/2024
05:00
Hounslow Feltham n/m26 (1 Low)n/mn/m18 (2 Low) Low
(Index 2)
25/04/2024
04:00
Hounslow Gunnersbury n/m41 (1 Low)n/mn/m25 (2 Low) Low
(Index 2)
25/04/2024
04:00
Hounslow Hatton Cross n/m21 (1 Low)n/mn/mn/a Low
(Index 1)
24/04/2024
16:00
Hounslow Heston n/m32 (1 Low)n/mn/m18 (2 Low) Low
(Index 2)
25/04/2024
04:00
Newham Cam Road n/m32 (1 Low)n/m6 (1 Low)14 (1 Low) Low
(Index 1)
25/04/2024
04:00
Newham East Ham Town Hall n/m41 (1 Low)n/m9 (1 Low)n/m Low
(Index 1)
25/04/2024
04:00
Newham Wren Close n/m35 (1 Low)n/m8 (1 Low)14 (1 Low) Low
(Index 1)
25/04/2024
04:00
RBKC Chelsea Old Town Hall n/m42 (1 Low)n/mn/mn/m Low
(Index 1)
25/04/2024
04:00
RBKC Cromwell Road 63 (2 Low)38 (1 Low)n/m7 (1 Low)12 (1 Low) Low
(Index 2)
25/04/2024
04:00
RBKC Earl's Court Road n/m46 (1 Low)n/mn/m16 (1 Low) Low
(Index 1)
25/04/2024
04:00
RBKC Holland Park Avenue (sensor) n/m37 (1 Low)n/mn/an/a Low
(Index 1)
25/04/2024
03:00
RBKC Knightsbridge n/m36 (1 Low)n/mn/mn/m Low
(Index 1)
25/04/2024
04:00
RBKC Sedding Street (sensor) n/mn/an/mn/an/a No Data 09/02/2024
11:00
Riverwalk 55 (2 Low)n/an/m6 (1 Low)11 (1 Low) Low
(Index 2)
25/04/2024
05:00
Sands End 55 (2 Low)35 (1 Low)n/m5 (1 Low)9 (1 Low) Low
(Index 2)
25/04/2024
05:00
Shepherds Bush Town Centre n/m35 (1 Low)n/m6 (1 Low)22 (2 Low) Low
(Index 2)
25/04/2024
04:00
The Aldgate School n/mn/an/mn/an/a No Data 19/04/2024
13:00
Tower Hamlets - Blackwall 62 (2 Low)54 (1 Low)n/m8 (1 Low)10 (1 Low) Low
(Index 2)
25/04/2024
04:00
Tower Hamlets - King Edward Memorial Park n/m41 (1 Low)n/m7 (1 Low)n/m Low
(Index 1)
25/04/2024
04:00
Tower Hamlets - Millwall Park 48 (2 Low)38 (1 Low)n/mn/m13 (1 Low) Low
(Index 2)
25/04/2024
05:00
Tower Hamlets - Roadside n/mn/mn/m7 (1 Low)n/m Low
(Index 1)
24/04/2024
18:00
Tower Hamlets - Victoria Park n/m29 (1 Low)n/m5 (1 Low)10 (1 Low) Low
(Index 1)
25/04/2024
04:00
Waltham Forest Crooked Billet n/m47 (1 Low)n/mn/m23 (2 Low) Low
(Index 2)
25/04/2024
04:00
Waltham Forest Dawlish Rd n/mn/an/m7 (1 Low)15 (1 Low) Low
(Index 1)
25/04/2024
04:00
Waltham Forest Leyton n/m49 (1 Low)n/mn/m14 (1 Low) Low
(Index 1)
25/04/2024
03:00
Wormwood Scrubs 28 (1 Low)27 (1 Low)n/m6 (1 Low)12 (1 Low) Low
(Index 1)
25/04/2024
05:00
Camden Kerbside (Swiss Cottage) n/m16 (1 Low)n/mn/a45 (3 Low) Low
(Index 3)
25/04/2024
04:00
Ealing Horn Lane n/mn/mn/mn/m31 (2 Low) Low
(Index 2)
25/04/2024
04:00
Haringey Roadside n/m58 (1 Low)n/mn/mn/m Low
(Index 1)
25/04/2024
04:00
London Bexley n/m23 (1 Low)n/m6 (1 Low)11 (1 Low) Low
(Index 1)
25/04/2024
04:00
London Bloomsbury 46 (2 Low)36 (1 Low)4 (1 Low)5 (1 Low)10 (1 Low) Low
(Index 2)
25/04/2024
04:00
London Eltham n/an/an/mn/an/a No Data 04/07/2023
16:00
London Haringey Priory Park South n/an/an/mn/mn/m No Data 23/04/2024
13:00
London Harlington 10 (1 Low)n/an/m6 (1 Low)11 (1 Low) Low
(Index 1)
25/04/2024
04:00
London Hillingdon 15 (1 Low)49 (1 Low)n/m6 (1 Low)12 (1 Low) Low
(Index 1)
25/04/2024
04:00
London Honor Oak Park n/mn/mn/m5 (1 Low)9 (1 Low) Low
(Index 1)
25/04/2024
04:00
London Marylebone Road 33 (1 Low)50 (1 Low)1 (1 Low)7 (1 Low)16 (1 Low) Low
(Index 1)
25/04/2024
04:00
London N. Kensington (RBKC North Kensington) 49 (2 Low)25 (1 Low)2 (1 Low)6 (1 Low)12 (1 Low) Low
(Index 2)
25/04/2024
04:00
London Teddington Bushy Park n/mn/mn/mn/an/a No Data 09/10/2023
15:00
London Westminster 42 (2 Low)36 (1 Low)n/m5 (1 Low)n/m Low
(Index 2)
25/04/2024
04:00
Southwark A2 Old Kent Road n/m36 (1 Low)n/mn/m20 (2 Low) Low
(Index 2)
25/04/2024
04:00
Tower Hamlets Roadside n/m42 (1 Low)n/mn/mn/m Low
(Index 1)
25/04/2024
04:00

» 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
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
RBKC Kensington High Street 1 (sensor) [Closed] (VS007) 07/03/2024
RBKC Kensington High Street 2 (sensor) [Closed] (VS010) 19/01/2024
Scrubs Lane [Closed] (HF3) 27/10/2005
Senator House [Closed] (CT1) 15/01/2013
Tant Avenue [Closed] (NEW1) 14/03/2003
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 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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