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.

Sorry, you need to have javascript enabled to view the interactive map.Select a monitoring site for this local authority from the dropdown below.

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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 (PM_2.5)	Particulate Matter (PM₁₀)	Highest Pollution Band	Last Updated
Barnet Chalgrove School	n/m	2 (1 Low)	n/m	n/m	13 (1 Low)	Low (Index 1)	14/02/2026 06:00
Barnet Tally Ho	n/m	13 (1 Low)	n/m	6 (1 Low)	12 (1 Low)	Low (Index 1)	14/02/2026 06:00
Beech Street NOx	n/m	12 (1 Low)	n/m	n/m	n/m	Low (Index 1)	14/02/2026 06:00
Beech Street PM	n/m	n/m	n/m	n/m	15 (1 Low)	Low (Index 1)	14/02/2026 06:00
Bell Wharf Lane	n/m	10 (1 Low)	n/m	n/m	16 (1 Low)	Low (Index 1)	14/02/2026 06:00
Brent Ikea	2 (1 Low)	n/m	n/m	10 (1 Low)	n/m	Low (Index 1)	14/02/2026 05:00
Bromley Harwood Avenue	n/m	4 (1 Low)	n/m	8 (1 Low)	13 (1 Low)	Low (Index 1)	14/02/2026 06:00
Camden - Coopers Lane	n/m	n/m	n/m	4 (1 Low)	8 (1 Low)	Low (Index 1)	14/02/2026 06:00
Camden - Euston Road	n/m	16 (1 Low)	n/m	8 (1 Low)	17 (2 Low)	Low (Index 2)	14/02/2026 06:00
Camden High Street	n/m	6 (1 Low)	n/m	n/m	n/m	Low (Index 1)	14/02/2026 06:00
Ealing Acton Background (sensor)	n/m	27 (1 Low)	n/m	8 (1 Low)	12 (1 Low)	Low (Index 1)	14/02/2026 07:00
Ealing Elthorne Park High School (sensor)	n/m	50 (1 Low)	n/m	8 (1 Low)	15 (1 Low)	Low (Index 1)	14/02/2026 07:00
Ealing Greenford Background (sensor)	n/m	34 (1 Low)	n/m	8 (1 Low)	12 (1 Low)	Low (Index 1)	14/02/2026 07:00
Ealing Hanger Lane Gyratory	n/m	10 (1 Low)	n/m	n/m	18 (2 Low)	Low (Index 2)	14/02/2026 07:00
Ealing Havelock Primary School (sensor)	n/m	45 (1 Low)	n/m	9 (1 Low)	13 (1 Low)	Low (Index 1)	14/02/2026 07:00
Ealing Horn Lane (LAQN)	n/m	2 (1 Low)	n/m	n/m	15 (1 Low)	Low (Index 1)	14/02/2026 07:00
Ealing John Perryn Primary School (sensor)	n/m	50 (1 Low)	n/m	5 (1 Low)	8 (1 Low)	Low (Index 1)	14/02/2026 07:00
Ealing Khalsa Primary School (sensor)	n/m	34 (1 Low)	n/m	6 (1 Low)	10 (1 Low)	Low (Index 1)	14/02/2026 07:00
Ealing Lady Margaret Primary School (sensor)	n/m	42 (1 Low)	n/m	7 (1 Low)	11 (1 Low)	Low (Index 1)	14/02/2026 07:00
Ealing Northolt High School (sensor)	n/m	n/a	n/m	n/a	n/a	No Data	17/11/2025 07:00
Ealing Twyford CofE High School (sensor)	n/m	54 (1 Low)	n/m	8 (1 Low)	12 (1 Low)	Low (Index 1)	14/02/2026 07:00
Ealing Western Avenue	n/m	7 (1 Low)	n/m	n/m	19 (2 Low)	Low (Index 2)	14/02/2026 07:00
Ealing William Perkin CofE School (sensor)	n/m	46 (1 Low)	n/m	6 (1 Low)	10 (1 Low)	Low (Index 1)	14/02/2026 07:00
Fulham Town Centre	79 (3 Low)	7 (1 Low)	n/m	7 (1 Low)	11 (1 Low)	Low (Index 3)	14/02/2026 07:00
Greenwich Westhorne Avenue	n/a	n/m	n/m	n/m	n/m	No Data	11/02/2026 01:00
Greenwich Woolwich Flyover	56 (2 Low)	n/m	n/m	8 (1 Low)	n/m	Low (Index 2)	14/02/2026 06:00
Guildhall	65 (2 Low)	n/m	n/m	n/m	n/m	Low (Index 2)	14/02/2026 06:00
Hackney Amhurst Road	n/m	1 (1 Low)	n/m	n/m	14 (1 Low)	Low (Index 1)	14/02/2026 06:00
Hackney Dalston Lane	n/m	5 (1 Low)	n/m	n/m	16 (1 Low)	Low (Index 1)	14/02/2026 06:00
Hackney Graham Road	n/m	10 (1 Low)	n/m	6 (1 Low)	11 (1 Low)	Low (Index 1)	14/02/2026 06:00
Hackney Green Lanes	n/m	1 (1 Low)	n/m	n/m	n/m	Low (Index 1)	14/02/2026 06:00
Hackney Homerton Library	n/m	9 (1 Low)	n/m	n/m	18 (2 Low)	Low (Index 2)	14/02/2026 06:00
Hackney Northwold Road	n/m	7 (1 Low)	n/m	7 (1 Low)	13 (1 Low)	Low (Index 1)	14/02/2026 07:00
Hackney Old Street	79 (3 Low)	8 (1 Low)	n/m	10 (1 Low)	16 (1 Low)	Low (Index 3)	14/02/2026 06:00
Hammersmith Town Centre	63 (2 Low)	7 (1 Low)	n/m	9 (1 Low)	20 (2 Low)	Low (Index 2)	14/02/2026 06:00
Haringey Wood Green	n/m	6 (1 Low)	n/m	6 (1 Low)	9 (1 Low)	Low (Index 1)	14/02/2026 06:00
Heathrow Bath Road	n/m	15 (1 Low)	n/m	6 (1 Low)	11 (1 Low)	Low (Index 1)	14/02/2026 07:00
Heathrow Green Gates	n/m	5 (1 Low)	n/m	7 (1 Low)	11 (1 Low)	Low (Index 1)	14/02/2026 07:00
Heathrow LHR2	n/m	21 (1 Low)	n/m	6 (1 Low)	10 (1 Low)	Low (Index 1)	14/02/2026 06:00
Hillingdon Harmondsworth	n/m	2 (1 Low)	n/m	n/m	11 (1 Low)	Low (Index 1)	14/02/2026 05:00
Hillingdon Harmondsworth Osiris	n/m	n/m	n/m	6 (1 Low)	10 (1 Low)	Low (Index 1)	14/02/2026 06:00
Hillingdon Hayes	n/m	0 (1 Low)	n/m	n/m	20 (2 Low)	Low (Index 2)	14/02/2026 05:00
Hillingdon Oxford Avenue	n/m	2 (1 Low)	n/m	n/m	20 (2 Low)	Low (Index 2)	14/02/2026 06:00
Hillingdon Sipson	n/m	10 (1 Low)	n/m	n/m	n/m	Low (Index 1)	14/02/2026 06:00
Hillingdon South Ruislip	n/m	5 (1 Low)	n/m	n/m	19 (2 Low)	Low (Index 2)	14/02/2026 07:00
Hounslow Brentford	n/m	0 (1 Low)	n/m	n/a	0 (1 Low)	Low (Index 1)	14/02/2026 06:00
Hounslow Chiswick	n/m	22 (1 Low)	n/m	6 (1 Low)	11 (1 Low)	Low (Index 1)	14/02/2026 06:00
Hounslow Feltham	n/m	11 (1 Low)	n/m	n/a	n/a	Low (Index 1)	14/02/2026 06:00
Hounslow Gunnersbury	n/m	8 (1 Low)	n/m	n/a	n/a	Low (Index 1)	14/02/2026 06:00
Hounslow Hatton Cross	n/m	14 (1 Low)	n/m	n/a	n/a	Low (Index 1)	14/02/2026 06:00
Hounslow Heston	n/m	5 (1 Low)	n/m	n/a	n/a	Low (Index 1)	14/02/2026 06:00
Kingston Upon Thames Cromwell Road	n/m	4 (1 Low)	n/m	n/m	17 (2 Low)	Low (Index 2)	14/02/2026 06:00
Kingston Upon Thames Kingston Vale	n/m	2 (1 Low)	n/m	n/m	14 (1 Low)	Low (Index 1)	14/02/2026 06:00
Kingston Upon Thames Tolworth Broadway	n/m	2 (1 Low)	n/m	4 (1 Low)	n/m	Low (Index 1)	14/02/2026 05:00
London City Airport KGV House	n/m	4 (1 Low)	n/m	5 (1 Low)	8 (1 Low)	Low (Index 1)	14/02/2026 07:00
London City Airport Newham Dockside	n/m	4 (1 Low)	n/m	n/m	n/m	Low (Index 1)	14/02/2026 06:00
Newham Cam Road	n/m	5 (1 Low)	n/m	7 (1 Low)	12 (1 Low)	Low (Index 1)	14/02/2026 05:00
Newham East Ham Town Hall	n/m	5 (1 Low)	n/m	10 (1 Low)	n/m	Low (Index 1)	14/02/2026 06:00
Newham Wren Close	n/m	3 (1 Low)	n/m	7 (1 Low)	13 (1 Low)	Low (Index 1)	14/02/2026 05:00
RBKC Chelsea Old Town Hall	n/m	9 (1 Low)	n/m	n/m	n/m	Low (Index 1)	14/02/2026 06:00
RBKC Cromwell Road	61 (2 Low)	n/a	n/m	n/a	n/a	Low (Index 2)	14/02/2026 06:00
RBKC Earl's Court Road	n/m	11 (1 Low)	n/m	n/m	17 (2 Low)	Low (Index 2)	14/02/2026 06:00
RBKC Knightsbridge	n/m	7 (1 Low)	n/m	n/m	n/m	Low (Index 1)	14/02/2026 06:00
Redbridge Gardner Close	n/m	3 (1 Low)	n/m	n/m	14 (1 Low)	Low (Index 1)	14/02/2026 06:00
Redbridge Ley Street	69 (3 Low)	4 (1 Low)	n/m	n/a	10 (1 Low)	Low (Index 3)	14/02/2026 07:00
Riverwalk	68 (3 Low)	6 (1 Low)	n/m	7 (1 Low)	11 (1 Low)	Low (Index 3)	14/02/2026 07:00
Sands End	65 (2 Low)	8 (1 Low)	n/m	6 (1 Low)	11 (1 Low)	Low (Index 2)	14/02/2026 07:00
Shepherds Bush Town Centre	n/m	4 (1 Low)	n/m	7 (1 Low)	14 (1 Low)	Low (Index 1)	14/02/2026 06:00
Southwark A2 Old Kent Road (FIDAS)	n/m	n/m	n/m	7 (1 Low)	15 (1 Low)	Low (Index 1)	14/02/2026 06:00
Southwark Elephant and Castle	71 (3 Low)	4 (1 Low)	n/m	7 (1 Low)	11 (1 Low)	Low (Index 3)	14/02/2026 07:00
Southwark Lower Road	n/m	17 (1 Low)	n/m	6 (1 Low)	11 (1 Low)	Low (Index 1)	14/02/2026 07:00
Southwark South Circular Road	n/m	7 (1 Low)	n/m	6 (1 Low)	10 (1 Low)	Low (Index 1)	14/02/2026 07:00
Southwark Tower Bridge Road	n/m	12 (1 Low)	n/m	7 (1 Low)	13 (1 Low)	Low (Index 1)	14/02/2026 07:00
Southwark Vicarage Grove	n/m	11 (1 Low)	n/m	7 (1 Low)	13 (1 Low)	Low (Index 1)	14/02/2026 07:00
Sutton Beddington Lane north	n/m	4 (1 Low)	n/m	8 (1 Low)	13 (1 Low)	Low (Index 1)	14/02/2026 06:00
Sutton Beddington Village	n/m	10 (1 Low)	n/m	n/m	18 (2 Low)	Low (Index 2)	14/02/2026 06:00
Sutton Wallington	n/m	n/a	n/m	n/m	n/a	No Data	21/06/2024 17:00
Sutton Worcester Park	n/m	4 (1 Low)	n/m	n/m	8 (1 Low)	Low (Index 1)	14/02/2026 06:00
The Aldgate School	n/m	8 (1 Low)	n/m	10 (1 Low)	n/a	Low (Index 1)	14/02/2026 06:00
Tower Hamlets - Blackwall	27 (1 Low)	17 (1 Low)	n/m	8 (1 Low)	12 (1 Low)	Low (Index 1)	13/02/2026 18:00
Waltham Forest Crooked Billet	n/m	13 (1 Low)	n/m	n/m	26 (2 Low)	Low (Index 2)	14/02/2026 07:00
Waltham Forest Dawlish Rd	n/m	12 (1 Low)	n/m	9 (1 Low)	12 (1 Low)	Low (Index 1)	13/02/2026 18:00
Waltham Forest Leyton	n/m	2 (1 Low)	n/m	n/m	18 (2 Low)	Low (Index 2)	14/02/2026 06:00
Wormwood Scrubs	69 (3 Low)	10 (1 Low)	n/m	6 (1 Low)	11 (1 Low)	Low (Index 3)	14/02/2026 07:00
Camden Kerbside (Swiss Cottage)	n/m	22 (1 Low)	n/m	8 (1 Low)	20 (2 Low)	Low (Index 2)	14/02/2026 07:00
Ealing Horn Lane	n/m	n/m	n/m	n/m	16 (1 Low)	Low (Index 1)	14/02/2026 07:00
Haringey Roadside	n/m	23 (1 Low)	n/m	n/m	n/m	Low (Index 1)	14/02/2026 07:00
London A406 N Circular	n/m	n/m	n/m	6 (1 Low)	n/m	Low (Index 1)	14/02/2026 07:00
London Bexley	n/m	11 (1 Low)	n/m	5 (1 Low)	10 (1 Low)	Low (Index 1)	14/02/2026 07:00
London Bloomsbury	59 (2 Low)	18 (1 Low)	1 (1 Low)	7 (1 Low)	11 (1 Low)	Low (Index 2)	14/02/2026 07:00
London Farringdon Street	n/m	27 (1 Low)	n/m	8 (1 Low)	n/m	Low (Index 1)	14/02/2026 07:00
London Haringey Priory Park South	66 (2 Low)	9 (1 Low)	n/m	5 (1 Low)	9 (1 Low)	Low (Index 2)	14/02/2026 07:00
London Harlington	69 (3 Low)	4 (1 Low)	n/m	6 (1 Low)	10 (1 Low)	Low (Index 3)	14/02/2026 07:00
London Hillingdon	61 (2 Low)	8 (1 Low)	n/m	7 (1 Low)	11 (1 Low)	Low (Index 2)	14/02/2026 07:00
London Honor Oak Park	78 (3 Low)	n/m	n/m	5 (1 Low)	9 (1 Low)	Low (Index 3)	14/02/2026 07:00
London Marylebone Road	68 (3 Low)	62 (1 Low)	1 (1 Low)	11 (1 Low)	13 (1 Low)	Low (Index 3)	14/02/2026 07:00
London N. Kensington (RBKC North Kensington)	71 (3 Low)	1 (1 Low)	1 (1 Low)	6 (1 Low)	10 (1 Low)	Low (Index 3)	14/02/2026 07:00
London Norbury Manor School	n/m	n/m	n/m	6 (1 Low)	10 (1 Low)	Low (Index 1)	14/02/2026 07:00
London Teddington Bushy Park	n/m	n/m	n/m	n/a	n/a	No Data	13/02/2026 15:00
London Westminster	64 (2 Low)	10 (1 Low)	n/m	n/a	n/m	Low (Index 2)	14/02/2026 07:00
Southwark A2 Old Kent Road	n/m	13 (1 Low)	n/m	n/m	21 (2 Low)	Low (Index 2)	14/02/2026 07:00

» 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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