Air Quality Monitoring Locations

Colour key: Lowest pollution Highest pollution    no current data

Defra Air Quality Monitoring Stations in the UK

Location	Latest Data Date/Time	Running 8 Hour mean Ozone (µgm-3)		Hourly mean Nitrogen dioxide (µgm-3)		Max 15 min mean Sulphur dioxide (µgm-3)		Running 24 Hour mean PM2.5 Particles (µgm-3)		Running 24 Hour mean PM10 Particles (µgm-3)
		Value	Level	Value	Level	Value	Level	Value	Level	Value	Level
Aberdeen	2021-09-20 19:00:00
Aberdeen Union Street Roadside	2025-01-06 08:00:00			25	1 Low
Armagh Roadside	2025-06-18 08:00:00			25	1 Low					44	3 Low*1
Aston Hill	2025-06-18 08:00:00	62	2 Low	1	1 Low
Auchencorth Moss	2025-06-18 08:00:00	51	2 Low					4	1 Low	6	1 Low*2
Ballymena Ballykeel	2025-02-27 09:00:00
Barnsley Gawber	2025-06-18 08:00:00	36	2 Low	7	1 Low	1	1 Low	9	1 Low	17	2 Low*2
Barnstaple A39	2025-06-18 08:00:00							6	1 Low	10	1 Low*2
Bath Roadside	2019-06-11 09:00:00
Belfast Centre	2025-06-18 08:00:00	35	2 Low	13	1 Low	1	1 Low	6	1 Low	11	1 Low*2
Billingham	2024-06-19 08:00:00			8	1 Low
Birmingham Acocks Green	2021-10-01 16:00:00
Birmingham Tyburn	2017-06-28 10:00:00
Birmingham Tyburn Roadside	2016-09-20 14:00:00
Blackburn Darwen Roadside	2014-05-06 09:00:00
Blackpool Marton	2025-06-18 08:00:00	64	2 Low	2	1 Low			8	1 Low	13	1 Low*2
Bottesford	2016-11-01 10:00:00
Bournemouth	2025-06-18 08:00:00	46	2 Low	5	1 Low			7	1 Low
Brighton Preston Park	2025-06-18 08:00:00	39	2 Low	6	1 Low			6	1 Low	10	1 Low*2
Bristol St Paul's	2025-06-18 08:00:00	59	2 Low	5	1 Low			6	1 Low	13	1 Low*1
Bush Estate	2025-06-18 08:00:00	60	2 Low	1	1 Low
Cambridge Roadside	2025-06-18 07:00:00			27	1 Low
Camden Kerbside	2025-06-18 08:00:00			41	1 Low			11	1 Low	17	2 Low*1
Canterbury	2024-11-04 16:00:00
Cardiff Centre	2025-06-18 08:00:00	56	2 Low	10	1 Low	3	1 Low	7	1 Low	10	1 Low*1
Carlisle Roadside	2021-06-21 16:00:00
Charlton Mackrell	2025-06-18 08:00:00	60	2 Low	2	1 Low			5	1 Low	8	1 Low*2
Chatham Roadside	2025-06-18 08:00:00			21	1 Low			4	1 Low	18	2 Low*1
Chepstow A48	2025-06-18 08:00:00			14	1 Low			5	1 Low	13	1 Low*1
Chesterfield	2014-06-20 11:00:00
Chesterfield Roadside	2025-06-18 08:00:00			10	1 Low			9	1 Low	14	1 Low*2
Coventry Memorial Park	2014-06-25 14:00:00
Cwmbran	2020-08-07 11:00:00
Derry	2016-03-04 12:00:00
Dumbarton Roadside	2025-06-18 08:00:00			6	1 Low
Dumfries	2025-06-17 08:00:00			8	1 Low
Eastbourne	2025-06-18 08:00:00			5	1 Low			5	1 Low	8	1 Low*2
Edinburgh St Leonards	2025-06-18 08:00:00	44	2 Low	3	1 Low	0	1 Low	5	1 Low	8	1 Low*2
Eskdalemuir	2025-06-18 08:00:00	45	2 Low	1	1 Low
Exeter Roadside	2025-06-18 08:00:00	50	2 Low	15	1 Low
Fort William	2025-06-16 13:00:00
Glasgow Kerbside	2025-06-18 08:00:00			15	1 Low
Glasgow Townhead	2025-06-18 08:00:00	52	2 Low	8	1 Low			5	1 Low	9	1 Low*2
Glazebury	2025-06-18 08:00:00	26	1 Low	11	1 Low			7	1 Low	11	1 Low*2
Grangemouth	2025-06-18 08:00:00			4	1 Low	1	1 Low	4	1 Low	7	1 Low*1
Grangemouth Moray	2025-06-18 08:00:00			4	1 Low
Great Dun Fell	2016-11-01 10:00:00
Haringey Roadside	2025-06-17 09:00:00
Harwell	2016-01-21 14:00:00			0
High Muffles	2025-06-18 08:00:00	47	2 Low	1	1 Low			5	1 Low	6	1 Low*2
Honiton	2025-06-18 08:00:00	51	2 Low	5	1 Low			5	1 Low	7	1 Low*2
Horley	2025-06-18 08:00:00			4	1 Low			6	1 Low	11	1 Low*2
Hull Freetown	2025-06-18 08:00:00	54	2 Low	5	1 Low	1	1 Low	10	1 Low	16	1 Low*2
Inverness	2025-06-18 07:00:00			3	1 Low			2	1 Low	4	1 Low*2
Ladybower	2025-06-18 08:00:00	57	2 Low	4	1 Low			9	1 Low	12	1 Low*2
Leamington Spa	2025-06-18 08:00:00	54	2 Low	8	1 Low			7	1 Low	11	1 Low*2
Leamington Spa Rugby Road	2025-06-18 08:00:00			8	1 Low			7	1 Low	11	1 Low*2
Leeds Centre	2025-06-18 08:00:00	58	2 Low	13	1 Low	2	1 Low	8	1 Low	13	1 Low*2
Leeds Headingley Kerbside	2025-06-18 08:00:00			16	1 Low			9	1 Low	13	1 Low*1
Leicester University	2025-06-18 08:00:00	44	2 Low	15	1 Low			9	1 Low	15	1 Low*2
Leominster	2025-06-18 08:00:00	30	1 Low	4	1 Low
Lerwick	2025-06-18 08:00:00	72	3 Low
Liverpool Queen's Drive Roadside	2017-01-09 12:00:00
Liverpool Speke	2025-06-18 08:00:00	45	2 Low	7	1 Low	1	1 Low	9	1 Low	13	1 Low*1
London Bexley	2025-06-18 08:00:00			17	1 Low			7	1 Low	12	1 Low*2
London Bloomsbury	2025-06-18 08:00:00	53	2 Low	13	1 Low	3	1 Low	6	1 Low	12	1 Low*2
London Eltham	2024-11-09 01:00:00
London Haringey Priory Park South	2025-06-18 08:00:00	54	2 Low	6	1 Low			5	1 Low	10	1 Low*2
London Harlington	2025-06-18 08:00:00	46	2 Low	14	1 Low			7	1 Low	13	1 Low*2
London Harrow Stanmore	2017-07-19 13:00:00
London Hillingdon	2025-06-18 08:00:00	45	2 Low	13	1 Low			7	1 Low	13	1 Low*2
London Marylebone Road	2025-06-18 08:00:00	34	2 Low	25	1 Low	3	1 Low	9	1 Low	17	2 Low*1
London N. Kensington	2025-06-18 07:00:00	59	2 Low	17	1 Low	2	1 Low
London Teddington	2016-11-01 10:00:00
London Teddington Bushy Park	2025-06-18 08:00:00							6	1 Low	13	1 Low*2
London Westminster	2025-06-18 08:00:00	39	2 Low	16	1 Low			4	1 Low
Lough Navar	2025-06-18 08:00:00	24	1 Low					3	1 Low	7	1 Low*2
Lullington Heath	2025-06-18 08:00:00	56	2 Low	3	1 Low	1	1 Low	5	1 Low	8	1 Low*2
Mace Head	2025-06-18 07:00:00	69	3 Low
Manchester Piccadilly	2025-06-18 08:00:00	41	2 Low	19	1 Low	1	1 Low	9	1 Low	18	2 Low*2
Manchester South	2016-02-03 10:00:00
Market Harborough	2019-03-27 16:00:00
Middlesbrough	2025-06-18 08:00:00	47	2 Low	10	1 Low	1	1 Low	2	1 Low	7	1 Low*1
Narberth	2025-06-18 08:00:00	54	2 Low	1	1 Low	0	1 Low	7	1 Low	9	1 Low*2
Newcastle Centre	2025-06-18 08:00:00	59	2 Low	10	1 Low			8	1 Low	12	1 Low*1
Newcastle Cradlewell Roadside	2025-06-18 08:00:00			18	1 Low			6	1 Low	10	1 Low*2
Newport	2025-06-18 08:00:00							5	1 Low	11	1 Low*2
Northampton Kingsthorpe	2017-04-06 22:00:00
Norwich Lakenfields	2025-06-18 08:00:00	62	2 Low	9	1 Low			10	1 Low	14	1 Low*2
Nottingham Centre	2024-01-30 16:00:00
Oxford Centre Roadside	2025-06-18 07:00:00			5	1 Low
Oxford St Ebbes	2025-06-18 08:00:00	37	2 Low	5	1 Low			4	1 Low	8	1 Low*2
Peebles	2025-06-18 08:00:00	50	2 Low	1	1 Low
Plymouth Centre	2025-06-18 08:00:00	49	2 Low	21	1 Low			6	1 Low	10	1 Low*2
Port Talbot Margam	2025-06-18 08:00:00	73	3 Low	10	1 Low	1	1 Low	6	1 Low	12	1 Low*3
Portsmouth	2025-06-18 08:00:00	49	2 Low	8	1 Low			6	1 Low	10	1 Low*2
Preston	2025-06-18 08:00:00	54	2 Low	9	1 Low			8	1 Low	13	1 Low*2
Reading New Town	2025-06-18 08:00:00	38	2 Low	7	1 Low			5	1 Low	9	1 Low*2
Rochester Stoke	2025-06-18 08:00:00	48	2 Low	11	1 Low	1	1 Low	8	1 Low	13	1 Low*2
Salford Eccles	2025-06-18 08:00:00	41	2 Low	18	1 Low			10	1 Low	18	2 Low*2
Saltash Callington Road	2025-06-18 08:00:00							2	1 Low	10	1 Low*1
Sandy Roadside	2025-01-22 13:00:00
Scunthorpe Town	2025-06-18 08:00:00			9	1 Low	1	1 Low	9	1 Low	18	2 Low*1
Sheffield Devonshire Green	2025-06-18 08:00:00	48	2 Low	6	1 Low			10	1 Low	15	1 Low*2
Sheffield Tinsley	2025-06-18 08:00:00	29	1 Low	18	1 Low			11	1 Low	22	2 Low*2
Sibton	2025-06-18 08:00:00	59	2 Low					8	1 Low	12	1 Low*2
Southampton Centre	2025-06-18 08:00:00	51	2 Low	4	1 Low	1	1 Low	6	1 Low	12	1 Low*2
Southend-on-Sea	2025-06-08 21:00:00
Southwark A2 Old Kent Road	2025-06-18 08:00:00			19	1 Low					14	1 Low*1
St Osyth	2025-06-18 08:00:00	56	2 Low	6	1 Low			7	1 Low	15	1 Low*2
Stanford-le-Hope Roadside	2025-06-18 08:00:00			27	1 Low			10	1 Low	16	1 Low*1
Stockton-on-Tees Eaglescliffe	2025-06-18 08:00:00			4	1 Low			5	1 Low	8	1 Low*1
Stoke-on-Trent Centre	2025-06-18 08:00:00	45	2 Low	11	1 Low			9	1 Low	18	2 Low*2
Storrington Roadside	2025-06-18 08:00:00			19	1 Low			7	1 Low	12	1 Low*2
Strathvaich	2025-06-18 08:00:00	66	2 Low
Sunderland Silksworth	2025-06-18 08:00:00	62	2 Low	2	1 Low			5	1 Low	8	1 Low*2
Swansea Roadside	2025-06-18 08:00:00			19	1 Low			8	1 Low	12	1 Low*1
Thurrock	2025-06-18 08:00:00			16	1 Low	2	1 Low	7	1 Low	12	1 Low*2
Tower Hamlets Roadside	2025-02-04 08:00:00			16	1 Low
Walsall Woodlands	2025-06-18 08:00:00	60	2 Low	4	1 Low
Warrington	2025-06-18 08:00:00			10	1 Low			6	1 Low	11	1 Low*1
Weybourne	2025-06-18 08:00:00	58	2 Low					11	1 Low	15	1 Low*2
Wicken Fen	2025-06-18 08:00:00			1	1 Low	3	1 Low
Wigan Centre	2025-06-18 08:00:00	33	1 Low	4	1 Low			7	1 Low	12	1 Low*2
Wirral Tranmere	2025-06-18 08:00:00	52	2 Low	9	1 Low			7	1 Low	9	1 Low*2
Wrexham	2025-06-18 08:00:00			4	1 Low			7	1 Low	10	1 Low*2
Yarner Wood	2025-06-18 08:00:00	57	2 Low	1	1 Low			4	1 Low	6	1 Low*2
York Bootham	2025-06-18 08:00:00	38	2 Low	6	1 Low			7	1 Low	12	1 Low*1
York Fishergate	2025-06-18 08:00:00			10	1 Low			8	1 Low	24	2 Low*1

Coloured boxes for value and level show latest snapshot data. A pale grey box indicates that this data is not measured at this location. A dark grey box indicates that data is normally recorded here, but is missing from the latest snapshot. Follow the links to individual stations for historical data.

Data supplied by the Met Office via Defra. © 2025 Crown copyright Defra via uk-air.defra.gov.uk, licenced under the Open Government Licence (OGL).