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	3 (1 Low)	n/m	n/m	13 (1 Low)	Low (Index 1)	02/07/2025 21:00
Barnet Tally Ho	n/m	19 (1 Low)	n/m	7 (1 Low)	13 (1 Low)	Low (Index 1)	02/07/2025 21:00
Beech Street NOx	n/m	23 (1 Low)	n/m	n/m	n/m	Low (Index 1)	02/07/2025 21:00
Beech Street PM	n/m	n/m	n/m	n/m	18 (2 Low)	Low (Index 2)	02/07/2025 21:00
Bell Wharf Lane	n/m	11 (1 Low)	n/m	n/m	22 (2 Low)	Low (Index 2)	02/07/2025 21:00
Brent Ikea	66 (2 Low)	n/m	n/m	8 (1 Low)	n/m	Low (Index 2)	02/07/2025 21:00
Camden - Coopers Lane	n/m	n/m	n/m	7 (1 Low)	13 (1 Low)	Low (Index 1)	02/07/2025 21:00
Camden - Euston Road	n/m	27 (1 Low)	n/m	n/a	n/a	Low (Index 1)	02/07/2025 21:00
Camden High Street	n/m	8 (1 Low)	n/m	n/m	n/m	Low (Index 1)	02/07/2025 21:00
Ealing Acton Background (sensor)	n/m	8 (1 Low)	n/m	n/a	n/a	Low (Index 1)	02/07/2025 21:00
Ealing Elthorne Park High School (sensor)	n/m	12 (1 Low)	n/m	11 (1 Low)	27 (2 Low)	Low (Index 2)	02/07/2025 21:00
Ealing Greenford Background (sensor)	n/m	12 (1 Low)	n/m	n/a	n/a	Low (Index 1)	02/07/2025 21:00
Ealing Havelock Primary School (sensor)	n/m	12 (1 Low)	n/m	n/a	n/a	Low (Index 1)	02/07/2025 21:00
Ealing John Perryn Primary School (sensor)	n/m	12 (1 Low)	n/m	n/a	n/a	Low (Index 1)	02/07/2025 21:00
Ealing Khalsa Primary School (sensor)	n/m	11 (1 Low)	n/m	n/a	n/a	Low (Index 1)	02/07/2025 21:00
Ealing Lady Margaret Primary School (sensor)	n/m	4 (1 Low)	n/m	n/a	n/a	Low (Index 1)	02/07/2025 21:00
Ealing Northolt High School (sensor)	n/m	7 (1 Low)	n/m	n/a	n/a	Low (Index 1)	02/07/2025 21:00
Ealing Twyford CofE High School (sensor)	n/m	10 (1 Low)	n/m	10 (1 Low)	22 (2 Low)	Low (Index 2)	02/07/2025 21:00
Ealing William Perkin CofE School (sensor)	n/m	8 (1 Low)	n/m	n/a	n/a	Low (Index 1)	02/07/2025 21:00
Fulham Town Centre	71 (3 Low)	10 (1 Low)	n/m	7 (1 Low)	14 (1 Low)	Low (Index 3)	02/07/2025 21:00
Greenwich Westhorne Avenue	50 (2 Low)	n/m	n/m	n/m	n/m	Low (Index 2)	02/07/2025 21:00
Greenwich Woolwich Flyover	n/a	n/m	n/m	n/a	n/m	No Data	25/06/2025 14:00
Guildhall	68 (3 Low)	n/m	n/m	n/m	n/m	Low (Index 3)	02/07/2025 21:00
Hackney Amhurst Road	n/m	1 (1 Low)	n/m	n/m	14 (1 Low)	Low (Index 1)	02/07/2025 21:00
Hackney Dalston Lane	n/m	30 (1 Low)	n/m	n/m	18 (2 Low)	Low (Index 2)	02/07/2025 21:00
Hackney Graham Road	n/m	4 (1 Low)	n/m	7 (1 Low)	14 (1 Low)	Low (Index 1)	02/07/2025 21:00
Hackney Green Lanes	n/m	n/a	n/m	n/m	n/m	No Data	01/07/2025 11:00
Hackney Homerton Library	n/m	38 (1 Low)	n/m	n/m	39 (3 Low)	Low (Index 3)	02/07/2025 21:00
Hackney Northwold Road	n/m	16 (1 Low)	n/m	8 (1 Low)	16 (1 Low)	Low (Index 1)	02/07/2025 21:00
Hackney Old Street	70 (3 Low)	13 (1 Low)	n/m	n/a	n/a	Low (Index 3)	02/07/2025 22:00
Hammersmith Town Centre	n/a	n/a	n/m	n/a	n/a	No Data	30/06/2025 08:00
Haringey Wood Green	n/m	37 (1 Low)	n/m	6 (1 Low)	10 (1 Low)	Low (Index 1)	02/07/2025 20:00
Heathrow Bath Road	n/m	n/a	n/m	n/a	n/a	No Data	30/06/2025 21:00
Heathrow Green Gates	n/m	10 (1 Low)	n/m	n/a	n/a	Low (Index 1)	02/07/2025 21:00
Heathrow LHR2	n/m	n/a	n/m	n/a	n/a	No Data	30/06/2025 21:00
Hillingdon Harmondsworth	n/m	4 (1 Low)	n/m	n/m	13 (1 Low)	Low (Index 1)	02/07/2025 21:00
Hillingdon Harmondsworth Osiris	n/m	n/m	n/m	n/a	n/a	No Data	30/06/2025 05:00
Hillingdon Hayes	n/m	16 (1 Low)	n/m	n/m	32 (2 Low)	Low (Index 2)	02/07/2025 21:00
Hillingdon Oxford Avenue	n/m	8 (1 Low)	n/m	n/m	30 (2 Low)	Low (Index 2)	02/07/2025 21:00
Hillingdon Sipson	n/m	n/a	n/m	n/m	n/m	No Data	12/04/2025 21:00
Hillingdon South Ruislip	n/m	10 (1 Low)	n/m	n/m	25 (2 Low)	Low (Index 2)	02/07/2025 21:00
Hounslow Brentford	n/m	28 (1 Low)	n/m	7 (1 Low)	17 (2 Low)	Low (Index 2)	02/07/2025 10:00
Hounslow Chiswick	n/m	n/a	n/m	14 (2 Low)	21 (2 Low)	Low (Index 2)	02/07/2025 10:00
Hounslow Feltham	n/m	23 (1 Low)	n/m	15 (2 Low)	15 (1 Low)	Low (Index 2)	02/07/2025 10:00
Hounslow Gunnersbury	n/m	n/a	n/m	17 (2 Low)	25 (2 Low)	Low (Index 2)	02/07/2025 10:00
Hounslow Hatton Cross	n/m	n/a	n/m	8 (1 Low)	16 (1 Low)	Low (Index 1)	02/07/2025 10:00
Hounslow Heston	n/m	20 (1 Low)	n/m	10 (1 Low)	15 (1 Low)	Low (Index 1)	02/07/2025 10:00
Kingston Upon Thames Cromwell Road	n/m	21 (1 Low)	n/m	n/m	25 (2 Low)	Low (Index 2)	02/07/2025 21:00
Kingston Upon Thames Kingston Vale	n/m	5 (1 Low)	n/m	n/m	17 (2 Low)	Low (Index 2)	02/07/2025 21:00
Kingston Upon Thames Tolworth Broadway	n/m	10 (1 Low)	n/m	9 (1 Low)	n/m	Low (Index 1)	02/07/2025 21:00
Newham Cam Road	n/m	10 (1 Low)	n/m	7 (1 Low)	17 (2 Low)	Low (Index 2)	02/07/2025 21:00
Newham East Ham Town Hall	n/m	21 (1 Low)	n/m	11 (1 Low)	n/m	Low (Index 1)	02/07/2025 21:00
Newham Wren Close	n/m	4 (1 Low)	n/m	9 (1 Low)	16 (1 Low)	Low (Index 1)	02/07/2025 21:00
RBKC Chelsea Old Town Hall	n/m	13 (1 Low)	n/m	n/m	n/m	Low (Index 1)	02/07/2025 21:00
RBKC Cromwell Road	101 (4 Moderate)	9 (1 Low)	n/m	4 (1 Low)	24 (2 Low)	Moderate (Index 4)	02/07/2025 21:00
RBKC Earl's Court Road	n/m	30 (1 Low)	n/m	n/m	24 (2 Low)	Low (Index 2)	02/07/2025 21:00
RBKC Knightsbridge	n/m	17 (1 Low)	n/m	n/m	n/m	Low (Index 1)	02/07/2025 21:00
Redbridge Gardner Close	n/m	7 (1 Low)	n/m	n/m	11 (1 Low)	Low (Index 1)	02/07/2025 21:00
Redbridge Ley Street	72 (3 Low)	-1 (1 Low)	n/m	3 (1 Low)	13 (1 Low)	Low (Index 3)	02/07/2025 21:00
Riverwalk	73 (3 Low)	4 (1 Low)	n/m	7 (1 Low)	14 (1 Low)	Low (Index 3)	02/07/2025 21:00
Sands End	73 (3 Low)	6 (1 Low)	n/m	5 (1 Low)	11 (1 Low)	Low (Index 3)	02/07/2025 21:00
Shepherds Bush Town Centre	n/m	21 (1 Low)	n/m	8 (1 Low)	19 (2 Low)	Low (Index 2)	02/07/2025 21:00
Southwark A2 Old Kent Road (FIDAS)	n/m	n/m	n/m	9 (1 Low)	22 (2 Low)	Low (Index 2)	02/07/2025 21:00
Southwark Elephant and Castle	87 (3 Low)	18 (1 Low)	n/m	8 (1 Low)	15 (1 Low)	Low (Index 3)	02/07/2025 21:00
Southwark Lower Road	n/m	n/a	n/m	8 (1 Low)	16 (1 Low)	Low (Index 1)	02/07/2025 21:00
Southwark South Circular Road	n/m	7 (1 Low)	n/m	7 (1 Low)	14 (1 Low)	Low (Index 1)	02/07/2025 21:00
Southwark Tower Bridge Road	n/m	23 (1 Low)	n/m	8 (1 Low)	16 (1 Low)	Low (Index 1)	02/07/2025 21:00
Southwark Vicarage Grove	n/m	8 (1 Low)	n/m	8 (1 Low)	16 (1 Low)	Low (Index 1)	02/07/2025 21:00
Sutton Beddington Lane north	n/m	10 (1 Low)	n/m	13 (2 Low)	17 (2 Low)	Low (Index 2)	02/07/2025 21:00
Sutton Beddington Village	n/m	25 (1 Low)	n/m	n/m	24 (2 Low)	Low (Index 2)	02/07/2025 21:00
Sutton Wallington	n/m	n/a	n/m	n/m	n/a	No Data	21/06/2024 17:00
Sutton Worcester Park	n/m	11 (1 Low)	n/m	n/m	17 (2 Low)	Low (Index 2)	02/07/2025 21:00
The Aldgate School	n/m	13 (1 Low)	n/m	4 (1 Low)	19 (2 Low)	Low (Index 2)	02/07/2025 21:00
Tower Hamlets - Blackwall	39 (2 Low)	27 (1 Low)	n/m	9 (1 Low)	22 (2 Low)	Low (Index 2)	02/07/2025 17:00
Waltham Forest Crooked Billet	n/m	22 (1 Low)	n/m	n/m	24 (2 Low)	Low (Index 2)	02/07/2025 17:00
Waltham Forest Dawlish Rd	n/m	n/a	n/m	8 (1 Low)	25 (2 Low)	Low (Index 2)	02/07/2025 17:00
Waltham Forest Leyton	n/m	7 (1 Low)	n/m	n/m	17 (2 Low)	Low (Index 2)	02/07/2025 17:00
Wormwood Scrubs	70 (3 Low)	8 (1 Low)	n/m	7 (1 Low)	15 (1 Low)	Low (Index 3)	02/07/2025 21:00
Camden Kerbside (Swiss Cottage)	n/m	12 (1 Low)	n/m	9 (1 Low)	21 (2 Low)	Low (Index 2)	03/07/2025 02:00
Ealing Horn Lane	n/m	n/m	n/m	n/m	28 (2 Low)	Low (Index 2)	03/07/2025 02:00
Haringey Roadside	n/m	18 (1 Low)	n/m	n/m	n/m	Low (Index 1)	03/07/2025 02:00
London Bexley	n/m	13 (1 Low)	n/m	7 (1 Low)	13 (1 Low)	Low (Index 1)	03/07/2025 02:00
London Bloomsbury	64 (2 Low)	9 (1 Low)	0 (1 Low)	5 (1 Low)	11 (1 Low)	Low (Index 2)	03/07/2025 02:00
London Farringdon Street	n/m	21 (1 Low)	n/m	7 (1 Low)	n/m	Low (Index 1)	03/07/2025 02:00
London Haringey Priory Park South	71 (3 Low)	4 (1 Low)	n/m	5 (1 Low)	9 (1 Low)	Low (Index 3)	03/07/2025 02:00
London Harlington	n/a	n/a	n/m	n/a	n/a	No Data	02/07/2025 21:00
London Hillingdon	62 (2 Low)	9 (1 Low)	n/m	5 (1 Low)	11 (1 Low)	Low (Index 2)	03/07/2025 02:00
London Honor Oak Park	73 (3 Low)	n/m	n/m	6 (1 Low)	11 (1 Low)	Low (Index 3)	03/07/2025 02:00
London Marylebone Road	n/a	n/a	n/a	n/a	n/a	No Data	02/07/2025 15:00
London N. Kensington (RBKC North Kensington)	72 (3 Low)	7 (1 Low)	1 (1 Low)	5 (1 Low)	11 (1 Low)	Low (Index 3)	03/07/2025 02:00
London Norbury Manor School	n/m	n/m	n/m	5 (1 Low)	10 (1 Low)	Low (Index 1)	03/07/2025 02:00
London Teddington Bushy Park	n/m	n/m	n/m	5 (1 Low)	11 (1 Low)	Low (Index 1)	03/07/2025 02:00
London Westminster	47 (2 Low)	16 (1 Low)	n/m	4 (1 Low)	n/m	Low (Index 2)	03/07/2025 02:00
Southwark A2 Old Kent Road	n/m	13 (1 Low)	n/m	n/m	24 (2 Low)	Low (Index 2)	03/07/2025 02:00

» 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 4)

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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