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	17 (1 Low)	n/m	n/m	17 (2 Low)	Low (Index 2)	02/04/2025 08:00
Barnet Tally Ho	n/m	18 (1 Low)	n/m	13 (2 Low)	22 (2 Low)	Low (Index 2)	02/04/2025 09:00
Beech Street NOx	n/m	44 (1 Low)	n/m	n/m	n/m	Low (Index 1)	02/04/2025 09:00
Beech Street PM	n/m	n/m	n/m	n/m	24 (2 Low)	Low (Index 2)	02/04/2025 08:00
Bell Wharf Lane	n/m	48 (1 Low)	n/m	n/m	24 (2 Low)	Low (Index 2)	02/04/2025 09:00
Brent Ikea	26 (1 Low)	n/m	n/m	15 (2 Low)	n/m	Low (Index 2)	02/04/2025 08:00
Camden - Coopers Lane	n/m	n/m	n/m	12 (2 Low)	20 (2 Low)	Low (Index 2)	02/04/2025 09:00
Camden - Euston Road	n/m	65 (1 Low)	n/m	13 (2 Low)	26 (2 Low)	Low (Index 2)	02/04/2025 08:00
Camden High Street	n/m	16 (1 Low)	n/m	n/m	n/m	Low (Index 1)	02/04/2025 09:00
Ealing Acton Background (sensor)	n/m	n/a	n/m	n/a	n/a	No Data	04/02/2025 12:00
Ealing Ada Lovelace CofE School (sensor)	n/m	n/a	n/m	n/a	n/a	No Data	19/01/2025 22:00
Ealing Alec Reed Academy (sensor)	n/m	80 (2 Low)	n/m	10 (1 Low)	20 (2 Low)	Low (Index 2)	02/04/2025 08:00
Ealing Fields High School (sensor)	n/m	n/a	n/m	n/a	n/a	No Data	26/12/2024 19:00
Ealing Greenford Background (sensor)	n/m	n/a	n/m	n/a	n/a	No Data	14/01/2025 24:00
Ealing Havelock Primary School (sensor)	n/m	n/a	n/m	n/a	n/a	No Data	04/02/2025 11:00
Ealing John Perryn Primary School (sensor)	n/m	n/a	n/m	n/a	n/a	No Data	12/07/2024 11:00
Ealing Khalsa Primary School (sensor)	n/m	n/a	n/m	n/a	n/a	No Data	04/09/2024 02:00
Ealing Lady Margaret Primary School (sensor)	n/m	n/a	n/m	n/a	n/a	No Data	21/01/2025 24:00
Ealing William Perkin CofE School (sensor)	n/m	n/a	n/m	n/a	n/a	No Data	18/08/2024 10:00
Farringdon Street	n/m	n/a	n/m	10 (1 Low)	n/m	Low (Index 1)	02/04/2025 08:00
Fulham Town Centre	47 (2 Low)	39 (1 Low)	n/m	12 (2 Low)	24 (2 Low)	Low (Index 2)	02/04/2025 08:00
Greenwich Westhorne Avenue	26 (1 Low)	n/m	n/m	n/m	n/m	Low (Index 1)	02/04/2025 07:00
Greenwich Woolwich Flyover	30 (1 Low)	n/m	n/m	11 (1 Low)	n/m	Low (Index 1)	02/04/2025 07:00
Guildhall	37 (2 Low)	n/m	n/m	n/m	n/m	Low (Index 2)	02/04/2025 09:00
Hackney Amhurst Road	n/m	17 (1 Low)	n/m	n/m	26 (2 Low)	Low (Index 2)	02/04/2025 08:00
Hackney Dalston Lane	n/m	17 (1 Low)	n/m	n/m	23 (2 Low)	Low (Index 2)	02/04/2025 08:00
Hackney Graham Road	n/m	20 (1 Low)	n/m	10 (1 Low)	17 (2 Low)	Low (Index 2)	02/04/2025 09:00
Hackney Green Lanes	n/m	19 (1 Low)	n/m	n/m	n/m	Low (Index 1)	02/04/2025 08:00
Hackney Homerton Library	n/m	21 (1 Low)	n/m	n/m	26 (2 Low)	Low (Index 2)	02/04/2025 08:00
Hackney Northwold Road	n/m	33 (1 Low)	n/m	12 (2 Low)	24 (2 Low)	Low (Index 2)	02/04/2025 08:00
Hackney Old Street	31 (1 Low)	19 (1 Low)	n/m	12 (2 Low)	24 (2 Low)	Low (Index 2)	02/04/2025 09:00
Hammersmith Town Centre	50 (2 Low)	59 (1 Low)	n/m	13 (2 Low)	30 (2 Low)	Low (Index 2)	02/04/2025 08:00
Haringey Wood Green	n/m	37 (1 Low)	n/m	10 (1 Low)	15 (1 Low)	Low (Index 1)	02/04/2025 08:00
Heathrow Bath Road	n/m	25 (1 Low)	n/m	11 (1 Low)	20 (2 Low)	Low (Index 2)	02/04/2025 09:00
Heathrow Green Gates	n/m	36 (1 Low)	n/m	11 (1 Low)	20 (2 Low)	Low (Index 2)	02/04/2025 08:00
Heathrow LHR2	n/m	29 (1 Low)	n/m	11 (1 Low)	20 (2 Low)	Low (Index 2)	02/04/2025 08:00
Hillingdon Harmondsworth	n/m	27 (1 Low)	n/m	n/m	19 (2 Low)	Low (Index 2)	02/04/2025 06:00
Hillingdon Harmondsworth Osiris	n/m	n/m	n/m	11 (1 Low)	21 (2 Low)	Low (Index 2)	02/04/2025 05:00
Hillingdon Hayes	n/m	38 (1 Low)	n/m	n/m	n/a	Low (Index 1)	02/04/2025 08:00
Hillingdon Oxford Avenue	n/m	26 (1 Low)	n/m	n/m	28 (2 Low)	Low (Index 2)	02/04/2025 08:00
Hillingdon Sipson	n/m	19 (1 Low)	n/m	n/m	n/m	Low (Index 1)	02/04/2025 08:00
Hillingdon South Ruislip	n/m	26 (1 Low)	n/m	n/m	23 (2 Low)	Low (Index 2)	02/04/2025 08:00
Hounslow Brentford	n/m	41 (1 Low)	n/m	10 (1 Low)	22 (2 Low)	Low (Index 2)	02/04/2025 08:00
Hounslow Chiswick	n/m	21 (1 Low)	n/m	12 (2 Low)	22 (2 Low)	Low (Index 2)	02/04/2025 09:00
Hounslow Feltham	n/m	35 (1 Low)	n/m	10 (1 Low)	20 (2 Low)	Low (Index 2)	02/04/2025 09:00
Hounslow Gunnersbury	n/m	54 (1 Low)	n/m	11 (1 Low)	21 (2 Low)	Low (Index 2)	02/04/2025 09:00
Hounslow Hatton Cross	n/m	30 (1 Low)	n/m	12 (2 Low)	20 (2 Low)	Low (Index 2)	02/04/2025 09:00
Hounslow Heston	n/m	28 (1 Low)	n/m	15 (2 Low)	26 (2 Low)	Low (Index 2)	02/04/2025 09:00
Kingston Upon Thames Cromwell Road	n/m	50 (1 Low)	n/m	n/m	31 (2 Low)	Low (Index 2)	02/04/2025 08:00
Kingston Upon Thames Kingston Vale	n/m	35 (1 Low)	n/m	n/m	26 (2 Low)	Low (Index 2)	02/04/2025 08:00
Kingston Upon Thames Tolworth Broadway	n/m	32 (1 Low)	n/m	14 (2 Low)	n/m	Low (Index 2)	02/04/2025 08:00
Newham Cam Road	n/m	21 (1 Low)	n/m	10 (1 Low)	23 (2 Low)	Low (Index 2)	02/04/2025 08:00
Newham East Ham Town Hall	n/m	14 (1 Low)	n/m	14 (2 Low)	n/m	Low (Index 2)	02/04/2025 08:00
Newham Wren Close	n/m	22 (1 Low)	n/m	11 (1 Low)	20 (2 Low)	Low (Index 2)	02/04/2025 08:00
RBKC Chelsea Old Town Hall	n/m	30 (1 Low)	n/m	n/m	n/m	Low (Index 1)	02/04/2025 08:00
RBKC Cromwell Road	38 (2 Low)	32 (1 Low)	n/m	8 (1 Low)	20 (2 Low)	Low (Index 2)	02/04/2025 09:00
RBKC Earl's Court Road	n/m	48 (1 Low)	n/m	n/m	22 (2 Low)	Low (Index 2)	02/04/2025 08:00
RBKC Knightsbridge	n/m	48 (1 Low)	n/m	n/m	n/m	Low (Index 1)	02/04/2025 08:00
Redbridge Gardner Close	n/m	20 (1 Low)	n/m	n/m	19 (2 Low)	Low (Index 2)	02/04/2025 08:00
Redbridge Ley Street	41 (2 Low)	14 (1 Low)	n/m	11 (1 Low)	27 (2 Low)	Low (Index 2)	02/04/2025 08:00
Riverwalk	41 (2 Low)	27 (1 Low)	n/m	12 (2 Low)	20 (2 Low)	Low (Index 2)	02/04/2025 08:00
Sands End	43 (2 Low)	18 (1 Low)	n/m	11 (1 Low)	26 (2 Low)	Low (Index 2)	02/04/2025 08:00
Shepherds Bush Town Centre	n/m	29 (1 Low)	n/m	10 (1 Low)	22 (2 Low)	Low (Index 2)	02/04/2025 08:00
Sutton Beddington Lane north	n/m	25 (1 Low)	n/m	n/m	21 (2 Low)	Low (Index 2)	02/04/2025 08:00
Sutton Beddington Village	n/m	36 (1 Low)	n/m	n/m	31 (2 Low)	Low (Index 2)	02/04/2025 08:00
Sutton Wallington	n/m	n/a	n/m	n/m	n/a	No Data	21/06/2024 17:00
Sutton Worcester Park	n/m	20 (1 Low)	n/m	n/m	23 (2 Low)	Low (Index 2)	02/04/2025 08:00
The Aldgate School	n/m	25 (1 Low)	n/m	11 (1 Low)	20 (2 Low)	Low (Index 2)	02/04/2025 08:00
Tower Hamlets - Blackwall	57 (2 Low)	21 (1 Low)	n/m	13 (2 Low)	24 (2 Low)	Low (Index 2)	02/04/2025 08:00
Tower Hamlets - King Edward Memorial Park	n/m	17 (1 Low)	n/m	12 (2 Low)	n/m	Low (Index 2)	02/04/2025 09:00
Tower Hamlets - Millwall Park	43 (2 Low)	31 (1 Low)	n/m	n/m	21 (2 Low)	Low (Index 2)	02/04/2025 08:00
Tower Hamlets - Roadside	n/m	18 (1 Low)	n/m	12 (2 Low)	n/m	Low (Index 2)	02/04/2025 09:00
Tower Hamlets - Victoria Park	n/m	n/a	n/m	12 (2 Low)	27 (2 Low)	Low (Index 2)	02/04/2025 08:00
Waltham Forest Crooked Billet	n/m	18 (1 Low)	n/m	n/m	32 (2 Low)	Low (Index 2)	02/04/2025 06:00
Waltham Forest Dawlish Rd	n/m	5 (1 Low)	n/m	11 (1 Low)	21 (2 Low)	Low (Index 2)	02/04/2025 06:00
Waltham Forest Leyton	n/m	12 (1 Low)	n/m	n/m	21 (2 Low)	Low (Index 2)	02/04/2025 09:00
Wormwood Scrubs	44 (2 Low)	24 (1 Low)	n/m	12 (2 Low)	21 (2 Low)	Low (Index 2)	02/04/2025 08:00
Camden Kerbside (Swiss Cottage)	n/m	29 (1 Low)	n/m	12 (2 Low)	31 (2 Low)	Low (Index 2)	02/04/2025 08:00
Ealing Horn Lane	n/m	n/m	n/m	n/m	33 (2 Low)	Low (Index 2)	02/04/2025 08:00
Haringey Roadside	n/m	23 (1 Low)	n/m	n/m	n/m	Low (Index 1)	02/04/2025 08:00
London Bexley	n/m	24 (1 Low)	n/m	12 (2 Low)	21 (2 Low)	Low (Index 2)	02/04/2025 08:00
London Bloomsbury	35 (2 Low)	27 (1 Low)	2 (1 Low)	11 (1 Low)	21 (2 Low)	Low (Index 2)	02/04/2025 08:00
London Haringey Priory Park South	36 (2 Low)	24 (1 Low)	n/m	9 (1 Low)	16 (1 Low)	Low (Index 2)	02/04/2025 08:00
London Harlington	39 (2 Low)	28 (1 Low)	n/m	12 (2 Low)	21 (2 Low)	Low (Index 2)	02/04/2025 09:00
London Hillingdon	36 (2 Low)	24 (1 Low)	n/m	10 (1 Low)	18 (2 Low)	Low (Index 2)	02/04/2025 08:00
London Honor Oak Park	40 (2 Low)	n/m	n/m	10 (1 Low)	18 (2 Low)	Low (Index 2)	02/04/2025 08:00
London Marylebone Road	n/a	n/a	n/a	12 (2 Low)	33 (2 Low)	Low (Index 2)	02/04/2025 07:00
London N. Kensington (RBKC North Kensington)	50 (2 Low)	20 (1 Low)	1 (1 Low)	10 (1 Low)	17 (2 Low)	Low (Index 2)	02/04/2025 08:00
London Teddington Bushy Park	n/m	n/m	n/m	11 (1 Low)	19 (2 Low)	Low (Index 2)	02/04/2025 08:00
London Westminster	37 (2 Low)	26 (1 Low)	n/m	10 (1 Low)	n/m	Low (Index 2)	02/04/2025 08:00
Southwark A2 Old Kent Road	n/m	39 (1 Low)	n/m	n/m	34 (3 Low)	Low (Index 3)	02/04/2025 08:00

» 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
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 2)

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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