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Air Quality Monitoring Locations

Colour key: Lowest pollution Highest pollution    no current data

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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)
ValueLevelValueLevelValueLevelValueLevelValueLevel
Aberdeen 2021-09-20 19:00:00
Aberdeen Union Street Roadside 2025-01-06 08:00:00 25 1 Low
Armagh Roadside 2025-01-19 08:00:00 11 1 Low 24 2 Low*1
Aston Hill 2025-01-19 08:00:00 44 2 Low 5 1 Low
Auchencorth Moss 2025-01-19 08:00:00 49 2 Low 7 1 Low 9 1 Low*2
Ballymena Ballykeel 2025-01-19 08:00:00 6 1 Low 1 1 Low
Barnsley Gawber 2025-01-19 08:00:00 25 1 Low 21 1 Low 2 1 Low 25 3 Low 28 2 Low*2
Barnstaple A39 2025-01-19 08:00:00 17 2 Low 20 2 Low*2
Bath Roadside 2019-06-11 09:00:00
Belfast Centre 2025-01-19 08:00:00 47 2 Low 15 1 Low 1 1 Low 10 1 Low 18 2 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 2025-01-19 08:00:00 31 1 Low 11 1 Low 23 2 Low 25 2 Low*2
Bottesford 2016-11-01 10:00:00
Bournemouth 2025-01-19 08:00:00 37 2 Low 8 1 Low 20 2 Low
Brighton Preston Park 2025-01-19 08:00:00 34 2 Low 8 1 Low 21 2 Low 24 2 Low*2
Bristol St Paul's 2025-01-19 08:00:00 30 1 Low 18 1 Low 19 2 Low 23 2 Low*1
Bush Estate 2025-01-19 03:00:00
Cambridge Roadside 2025-01-19 07:00:00 14 1 Low
Camden Kerbside 2025-01-19 08:00:00 30 1 Low 27 3 Low 36 3 Low*1
Canterbury 2024-11-04 16:00:00
Cardiff Centre 2025-01-19 08:00:00 38 2 Low 14 1 Low 1 1 Low 19 2 Low 18 2 Low*1
Carlisle Roadside 2021-06-21 16:00:00
Charlton Mackrell 2025-01-19 08:00:00 26 1 Low 7 1 Low 19 2 Low 21 2 Low*2
Chatham Roadside 2025-01-19 08:00:00 10 1 Low 24 3 Low 30 2 Low*1
Chepstow A48 2025-01-19 08:00:00 26 2 Low*1
Chesterfield 2014-06-20 11:00:00
Chesterfield Roadside 2025-01-19 08:00:00 10 1 Low 24 3 Low 31 2 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 2025-01-19 08:00:00 7 1 Low
Dumfries 2025-01-19 08:00:00 9 1 Low
Eastbourne 2025-01-19 08:00:00 38 2 Low 9 1 Low 19 2 Low 21 2 Low*2
Edinburgh St Leonards 2025-01-19 08:00:00 29 1 Low 2 1 Low 9 1 Low 12 1 Low*2
Eskdalemuir 2025-01-19 08:00:00 43 2 Low 2 1 Low
Exeter Roadside 2025-01-19 08:00:00 29 1 Low 16 1 Low
Fort William 2025-01-19 08:00:00 50 2 Low 3 1 Low
Glasgow Kerbside 2025-01-19 08:00:00 27 1 Low
Glasgow Townhead 2025-01-19 08:00:00 49 2 Low 10 1 Low 9 1 Low 12 1 Low*2
Glazebury 2025-01-19 08:00:00 28 1 Low 8 1 Low 21 2 Low 24 2 Low*2
Grangemouth 2025-01-19 08:00:00 17 1 Low 2 1 Low 7 1 Low 22 2 Low*1
Grangemouth Moray 2025-01-19 08:00:00 18 1 Low
Great Dun Fell 2016-11-01 10:00:00
Haringey Roadside 2025-01-19 08:00:00 16 1 Low
Harwell 2016-01-21 14:00:00 0
High Muffles 2025-01-19 08:00:00 31 1 Low 7 1 Low 18 2 Low 20 2 Low*2
Honiton 2025-01-19 08:00:00 32 1 Low 9 1 Low 19 2 Low 21 2 Low*2
Horley 2025-01-19 08:00:00 12 1 Low 22 2 Low
Hull Freetown 2025-01-19 08:00:00 26 1 Low 17 1 Low 3 1 Low 28 3 Low 32 2 Low*2
Inverness 2025-01-19 08:00:00 25 1 Low 9 1 Low 12 1 Low*2
Ladybower 2025-01-19 08:00:00 31 1 Low 17 1 Low 17 2 Low 18 2 Low*2
Leamington Spa 2025-01-19 08:00:00 20 1 Low 15 1 Low 23 2 Low 26 2 Low*2
Leamington Spa Rugby Road 2025-01-19 08:00:00 9 1 Low 21 2 Low 24 2 Low*2
Leeds Centre 2025-01-19 08:00:00 20 1 Low 26 1 Low 2 1 Low 27 3 Low 33 2 Low*2
Leeds Headingley Kerbside 2025-01-19 08:00:00 21 1 Low
Leicester University 2025-01-19 08:00:00 27 1 Low 8 1 Low 20 2 Low 22 2 Low*2
Leominster 2025-01-19 08:00:00 42 2 Low 5 1 Low
Lerwick 2025-01-19 08:00:00 61 2 Low
Liverpool Queen's Drive Roadside 2017-01-09 12:00:00
Liverpool Speke 2025-01-19 08:00:00 36 2 Low 4 1 Low 1 1 Low 20 2 Low 22 2 Low*1
London Bexley 2025-01-19 08:00:00 16 1 Low 25 3 Low 28 2 Low*2
London Bloomsbury 2025-01-19 08:00:00 29 1 Low 22 1 Low 1 1 Low 24 3 Low 28 2 Low*2
London Eltham 2024-11-09 01:00:00
London Haringey Priory Park South 2025-01-19 08:00:00 21 1 Low 13 1 Low
London Harlington 2025-01-19 08:00:00 27 1 Low 24 1 Low 24 3 Low 28 2 Low*2
London Harrow Stanmore 2017-07-19 13:00:00
London Hillingdon 2025-01-19 08:00:00 20 1 Low 32 1 Low 25 3 Low 30 2 Low*2
London Marylebone Road 2025-01-19 08:00:00 22 1 Low 24 1 Low 2 1 Low 27 3 Low 35 3 Low*1
London N. Kensington 2025-01-19 08:00:00 41 2 Low 15 1 Low 1 1 Low 24 3 Low 28 2 Low*2
London Teddington 2016-11-01 10:00:00
London Teddington Bushy Park 2025-01-19 08:00:00 24 3 Low 29 2 Low*2
London Westminster 2025-01-19 08:00:00 29 1 Low 19 1 Low 24 3 Low
Lough Navar 2025-01-19 08:00:00 45 2 Low
Lullington Heath 2025-01-19 08:00:00 46 2 Low 7 1 Low 1 1 Low 20 2 Low 22 2 Low*2
Mace Head 2025-01-19 08:00:00 71 3 Low
Manchester Piccadilly 2025-01-19 08:00:00 23 1 Low 19 1 Low 1 1 Low 21 2 Low 26 2 Low*2
Manchester South 2016-02-03 10:00:00
Market Harborough 2019-03-27 16:00:00
Middlesbrough 2025-01-19 08:00:00 25 1 Low 17 1 Low 2 1 Low 19 2 Low 22 2 Low*1
Narberth 2025-01-19 08:00:00 43 2 Low 5 1 Low 2 1 Low 16 2 Low 20 2 Low*2
Newcastle Centre 2025-01-19 08:00:00 21 1 Low 19 2 Low 23 2 Low*1
Newcastle Cradlewell Roadside 2025-01-19 08:00:00 34 1 Low 21 2 Low 25 2 Low*2
Newport 2025-01-19 08:00:00 15 1 Low 20 2 Low 23 2 Low*2
Northampton Kingsthorpe 2017-04-06 22:00:00
Norwich Lakenfields 2025-01-19 08:00:00 26 1 Low 10 1 Low 20 2 Low 22 2 Low*2
Nottingham Centre 2024-01-30 16:00:00
Oxford Centre Roadside 2025-01-19 06:00:00 8 1 Low
Oxford St Ebbes 2025-01-19 08:00:00 26 1 Low 9 1 Low 20 2 Low 22 2 Low*2
Peebles 2025-01-19 08:00:00 11 1 Low 8 1 Low
Plymouth Centre 2025-01-19 08:00:00 33 1 Low 15 1 Low 18 2 Low 22 2 Low*2
Port Talbot Margam 2025-01-19 08:00:00 42 2 Low 8 1 Low 2 1 Low 17 2 Low 20 2 Low*3
Portsmouth 2025-01-19 08:00:00 38 2 Low 7 1 Low 21 2 Low 23 2 Low*2
Preston 2025-01-19 08:00:00 29 1 Low 13 1 Low 20 2 Low 23 2 Low*2
Reading New Town 2025-01-19 08:00:00 26 1 Low 13 1 Low 23 2 Low 26 2 Low*2
Rochester Stoke 2025-01-19 08:00:00 40 2 Low 9 1 Low 2 1 Low 26 3 Low 29 2 Low*2
Salford Eccles 2025-01-19 08:00:00 26 1 Low 15 1 Low 25 3 Low 28 2 Low*2
Saltash Callington Road 2025-01-15 17:00:00
Sandy Roadside 2025-01-19 08:00:00 13 1 Low 20 2 Low 27 2 Low*1
Scunthorpe Town 2025-01-19 08:00:00 16 1 Low 1 1 Low
Sheffield Devonshire Green 2025-01-19 08:00:00 23 1 Low 19 1 Low 24 3 Low 27 2 Low*2
Sheffield Tinsley 2025-01-19 08:00:00 25 1 Low 19 1 Low 22 2 Low 26 2 Low*2
Sibton 2025-01-19 08:00:00 29 1 Low 18 2 Low 20 2 Low*2
Southampton Centre 2025-01-19 08:00:00 30 1 Low 12 1 Low 2 1 Low 18 2 Low 21 2 Low*2
Southend-on-Sea 2025-01-19 08:00:00 37 2 Low 7 1 Low 22 2 Low 24 2 Low*2
Southwark A2 Old Kent Road 2025-01-19 08:00:00 17 1 Low
St Osyth 2025-01-19 08:00:00 5 1 Low 18 2 Low 20 2 Low*2
Stanford-le-Hope Roadside 2025-01-19 08:00:00 11 1 Low 24 3 Low 22 2 Low*1
Stockton-on-Tees Eaglescliffe 2025-01-19 08:00:00 16 1 Low 25 3 Low 23 2 Low*1
Stoke-on-Trent Centre 2025-01-19 08:00:00 28 1 Low 16 1 Low 23 2 Low 25 2 Low*2
Storrington Roadside 2025-01-08 16:00:00
Strathvaich 2025-01-19 08:00:00 44 2 Low
Sunderland Silksworth 2025-01-19 08:00:00 33 1 Low 15 1 Low 21 2 Low 23 2 Low*2
Swansea Roadside 2025-01-19 08:00:00 13 1 Low 13 2 Low 20 2 Low*1
Thurrock 2025-01-19 08:00:00 35 2 Low 18 1 Low 2 1 Low 22 2 Low 24 2 Low*2
Tower Hamlets Roadside 2025-01-19 08:00:00 15 1 Low
Walsall Woodlands 2025-01-19 08:00:00 31 1 Low 17 1 Low
Warrington 2025-01-19 08:00:00 8 1 Low 21 2 Low 25 2 Low*1
Weybourne 2025-01-19 08:00:00 22 1 Low 21 2 Low 22 2 Low*2
Wicken Fen 2025-01-19 08:00:00 22 1 Low 8 1 Low 2 1 Low 22 2 Low 24 2 Low*2
Wigan Centre 2025-01-19 08:00:00 30 1 Low 20 1 Low 24 3 Low 27 2 Low*2
Wirral Tranmere 2025-01-19 08:00:00 41 2 Low 4 1 Low 21 2 Low 23 2 Low*2
Wrexham 2025-01-19 08:00:00 8 1 Low 6 1 Low 18 2 Low 20 2 Low*2
Yarner Wood 2025-01-19 08:00:00 30 1 Low 7 1 Low 15 2 Low 17 2 Low*2
York Bootham 2025-01-19 08:00:00 24 1 Low 12 1 Low 24 3 Low 26 2 Low*1
York Fishergate 2025-01-19 08:00:00 15 1 Low 23 2 Low 31 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).