Latest measured levels based on data provided by the Environment Agency

Here you can view the detailed data behind the latest measurement summary displayed on UK-AIR, and also a summary of information that has been displayed over the previous 24 hours. The detailed data tabulated below are from monitoring sites within the AURN. Graphs of hourly monitoring data are also available to view as weekly time series. You can also subscribe to this information as an email alert.

PM₁₀ data is from a FDMS PM₁₀ instrument type unless specified
View the legend
Pollutant levels recorded for the hour up to 8am Sat 1st Apr 2023

Central Scotland

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Auchencorth Moss Timeseries Graph	72 (3 Low)	n/m	n/m	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00
Bush Estate Timeseries Graph	74 (3 Low)	4 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Dumbarton Roadside Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Edinburgh Nicolson Street Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Edinburgh St Leonards Timeseries Graph	72 (3 Low)	6 (1 Low)	0 (1 Low)	6 (1 Low)	11 (1 Low) ^*2	01/04/2023 08:00:00
Glasgow Great Western Road Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Glasgow High Street Timeseries Graph	n/m	n/a	n/m	6 (1 Low)	18 (2 Low) ^*2	01/04/2023 08:00:00
Glasgow Kerbside Timeseries Graph	n/m	n/a	n/m	n/m	n/m	31/03/2023 17:00:00
Glasgow Townhead Timeseries Graph	63 (2 Low)	7 (1 Low)	n/m	4 (1 Low)	7 (1 Low) ^*2	01/04/2023 08:00:00
Grangemouth Timeseries Graph	n/m	18 (1 Low)	1 (1 Low)	4 (1 Low)	7 (1 Low) ^*1	01/04/2023 08:00:00
Grangemouth Moray Timeseries Graph	n/m	22 (1 Low)	n/m	n/m	n/m	01/04/2023 07:00:00
Greenock A8 Roadside Timeseries Graph	n/m	9 (1 Low)	n/m	3 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00

East Midlands

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Chesterfield Loundsley Green Timeseries Graph	62 (2 Low)	4 (1 Low)	n/m	4 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00
Chesterfield Roadside Timeseries Graph	n/m	6 (1 Low)	n/m	5 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
Derby St Alkmund's Way Timeseries Graph	n/m	17 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Ladybower Timeseries Graph	71 (3 Low)	1 (1 Low)	1 (1 Low)	n/m	n/m	01/04/2023 08:00:00
Leicester A594 Roadside Timeseries Graph	n/m	11 (1 Low)	n/m	n/m	7 (1 Low) ^*1	01/04/2023 08:00:00
Leicester University Timeseries Graph	49 (2 Low)	28 (1 Low)	n/m	4 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00
Lincoln Canwick Road Timeseries Graph	n/m	20 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Northampton Spring Park Timeseries Graph	54 (2 Low)	4 (1 Low)	n/m	9 (1 Low)	n/m	01/04/2023 08:00:00
Nottingham Centre Timeseries Graph	54 (2 Low)	8 (1 Low)	1 (1 Low)	6 (1 Low)	8 (1 Low) ^*2	01/04/2023 08:00:00
Nottingham Western Boulevard Timeseries Graph	n/m	15 (1 Low)	n/m	n/m	7 (1 Low) ^*1	01/04/2023 08:00:00

Eastern

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Borehamwood Meadow Park Timeseries Graph	n/m	4 (1 Low)	n/m	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 08:00:00
Cambridge Roadside Timeseries Graph	n/m	18 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Luton A505 Roadside Timeseries Graph	n/m	24 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Norwich Lakenfields Timeseries Graph	48 (2 Low)	7 (1 Low)	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
Sandy Roadside Timeseries Graph	n/m	7 (1 Low)	n/m	3 (1 Low)	8 (1 Low) ^*1	01/04/2023 08:00:00
Sibton Timeseries Graph	54 (2 Low)	n/m	n/m	n/m	n/m	01/04/2023 08:00:00
Southend-on-Sea Timeseries Graph	51 (2 Low)	5 (1 Low)	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
St Osyth Timeseries Graph	46 (2 Low)	2 (1 Low)	n/m	4 (1 Low)	7 (1 Low) ^*2	01/04/2023 08:00:00
Stanford-le-Hope Roadside Timeseries Graph	n/m	9 (1 Low)	n/m	3 (1 Low)	5 (1 Low) ^*1	01/04/2023 08:00:00
Thurrock Timeseries Graph	54 (2 Low)	5 (1 Low)	n/a	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
Weybourne Timeseries Graph	55 (2 Low)	n/m	n/m	24 (3 Low)	45 (3 Low) ^*2	01/04/2023 08:00:00
Wicken Fen Timeseries Graph	53 (2 Low)	2 (1 Low)	2 (1 Low)	4 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00

Greater London

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Camden Kerbside Timeseries Graph	n/m	44 (1 Low)	n/m	6 (1 Low)	9 (1 Low) ^*1	01/04/2023 08:00:00
Ealing Horn Lane Timeseries Graph	n/m	n/m	n/m	n/m	10 (1 Low) ^*1	01/04/2023 08:00:00
Haringey Roadside Timeseries Graph	n/m	n/a	n/m	n/m	n/m	29/03/2023 10:00:00
London Bexley Timeseries Graph	n/m	13 (1 Low)	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
London Bloomsbury Timeseries Graph	41 (2 Low)	29 (1 Low)	3 (1 Low)	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
London Eltham Timeseries Graph	52 (2 Low)	n/a	n/m	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00
London Haringey Priory Park South Timeseries Graph	49 (2 Low)	6 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
London Harlington Timeseries Graph	52 (2 Low)	n/a	n/m	n/a	n/a	01/04/2023 05:00:00
London Hillingdon Timeseries Graph	50 (2 Low)	9 (1 Low)	n/m	4 (1 Low)	7 (1 Low) ^*2	01/04/2023 08:00:00
London Honor Oak Park Timeseries Graph	n/m	n/m	n/m	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00
London Marylebone Road Timeseries Graph	n/a	n/a	n/a	n/a	n/a	29/03/2023 14:00:00
London N. Kensington Timeseries Graph	60 (2 Low)	12 (1 Low)	1 (1 Low)	8 (1 Low)	13 (1 Low) ^*2	01/04/2023 08:00:00
London Teddington Bushy Park Timeseries Graph	n/m	n/m	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
London Westminster Timeseries Graph	43 (2 Low)	9 (1 Low)	n/m	6 (1 Low)	n/m	01/04/2023 08:00:00
Southwark A2 Old Kent Road Timeseries Graph	n/m	22 (1 Low)	n/m	n/m	11 (1 Low) ^*1	01/04/2023 08:00:00
Tower Hamlets Roadside Timeseries Graph	n/m	24 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00

Highland

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Fort William Timeseries Graph	48 (2 Low)	5 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Inverness Timeseries Graph	n/m	14 (1 Low)	n/m	5 (1 Low)	10 (1 Low) ^*2	01/04/2023 08:00:00
Lerwick Timeseries Graph	52 (2 Low)	n/m	n/m	n/m	n/m	01/04/2023 08:00:00
Strathvaich Timeseries Graph	n/a	n/m	n/m	n/m	n/m	17/03/2023 15:00:00

North East

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Billingham Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Hartlepool St Abbs Walk Timeseries Graph	78 (3 Low)	6 (1 Low)	n/m	9 (1 Low)	17 (2 Low) ^*2	01/04/2023 08:00:00
Middlesbrough Timeseries Graph	60 (2 Low)	12 (1 Low)	1 (1 Low)	5 (1 Low)	19 (2 Low) ^*1	01/04/2023 08:00:00
Newcastle Centre Timeseries Graph	65 (2 Low)	17 (1 Low)	n/m	8 (1 Low)	18 (2 Low) ^*1	01/04/2023 08:00:00
Newcastle Cradlewell Roadside Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	12 (1 Low) ^*1	01/04/2023 08:00:00
Stockton-on-Tees A1305 Roadside Timeseries Graph	n/m	14 (1 Low)	n/m	7 (1 Low)	n/m	01/04/2023 08:00:00
Stockton-on-Tees Eaglescliffe Timeseries Graph	n/m	14 (1 Low)	n/m	8 (1 Low)	13 (1 Low) ^*1	01/04/2023 08:00:00
Sunderland Silksworth Timeseries Graph	75 (3 Low)	6 (1 Low)	n/m	9 (1 Low)	17 (2 Low) ^*2	01/04/2023 08:00:00
Sunderland Wessington Way Timeseries Graph	n/m	3 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00

North East Scotland

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Aberdeen Erroll Park Timeseries Graph	89 (3 Low)	3 (1 Low)	n/m	8 (1 Low)	27 (2 Low) ^*2	01/04/2023 08:00:00
Aberdeen Union Street Roadside Timeseries Graph	n/m	44 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Aberdeen Wellington Road Timeseries Graph	n/m	38 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Dundee Mains Loan Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00

North Wales

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Aston Hill Timeseries Graph	58 (2 Low)	3 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Wrexham Timeseries Graph	n/m	24 (1 Low)	1 (1 Low)	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00

North West & Merseyside

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Birkenhead Borough Road Timeseries Graph	n/m	25 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Blackburn Accrington Road Timeseries Graph	n/m	12 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Blackpool Marton Timeseries Graph	52 (2 Low)	6 (1 Low)	n/m	2 (1 Low)	3 (1 Low) ^*2	01/04/2023 08:00:00
Bury Whitefield Roadside Timeseries Graph	n/m	16 (1 Low)	n/m	n/m	6 (1 Low) ^*1	01/04/2023 08:00:00
Carlisle Morton A595 Timeseries Graph	n/m	21 (1 Low)	n/m	7 (1 Low)	9 (1 Low) ^*1	01/04/2023 08:00:00
Crewe Coppenhall Timeseries Graph	57 (2 Low)	8 (1 Low)	n/m	2 (1 Low)	4 (1 Low) ^*2	01/04/2023 08:00:00
Glazebury Timeseries Graph	50 (2 Low)	11 (1 Low)	n/m	2 (1 Low)	3 (1 Low) ^*2	01/04/2023 08:00:00
Liverpool Speke Timeseries Graph	53 (2 Low)	16 (1 Low)	1 (1 Low)	3 (1 Low)	6 (1 Low) ^*1	01/04/2023 08:00:00
Manchester Piccadilly Timeseries Graph	55 (2 Low)	19 (1 Low)	0 (1 Low)	n/a	n/a	01/04/2023 08:00:00
Manchester Sharston Timeseries Graph	63 (2 Low)	6 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Preston Timeseries Graph	57 (2 Low)	20 (1 Low)	n/m	2 (1 Low)	4 (1 Low) ^*2	01/04/2023 08:00:00
Salford Eccles Timeseries Graph	61 (2 Low)	16 (1 Low)	n/m	3 (1 Low)	7 (1 Low) ^*2	01/04/2023 08:00:00
Shaw Crompton Way Timeseries Graph	n/m	12 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
St Helens Linkway Timeseries Graph	n/m	13 (1 Low)	n/m	n/m	6 (1 Low) ^*1	01/04/2023 08:00:00
Warrington Timeseries Graph	n/m	19 (1 Low)	n/m	2 (1 Low)	6 (1 Low) ^*1	01/04/2023 08:00:00
Widnes Milton Road Timeseries Graph	n/m	14 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Wigan Centre Timeseries Graph	61 (2 Low)	7 (1 Low)	n/m	2 (1 Low)	2 (1 Low) ^*2	01/04/2023 08:00:00
Wirral Tranmere Timeseries Graph	54 (2 Low)	10 (1 Low)	n/m	2 (1 Low)	3 (1 Low) ^*2	01/04/2023 08:00:00

Northern Ireland

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Armagh Roadside Timeseries Graph	n/m	20 (1 Low)	n/m	n/m	15 (1 Low) ^*1	01/04/2023 08:00:00
Ballymena Antrim Road Timeseries Graph	n/m	2 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Ballymena Ballykeel Timeseries Graph	n/m	6 (1 Low)	n/a	n/m	n/m	01/04/2023 08:00:00
Belfast Centre Timeseries Graph	61 (2 Low)	8 (1 Low)	1 (1 Low)	7 (1 Low)	11 (1 Low) ^*2	01/04/2023 08:00:00
Belfast Stockman's Lane Timeseries Graph	n/m	22 (1 Low)	n/m	n/m	12 (1 Low) ^*1	01/04/2023 08:00:00
Derry Rosemount Timeseries Graph	58 (2 Low)	3 (1 Low)	1 (1 Low)	9 (1 Low)	11 (1 Low) ^*1	01/04/2023 08:00:00
Lough Navar Timeseries Graph	78 (3 Low)	n/m	n/m	2 (1 Low)	3 (1 Low) ^*2	01/04/2023 08:00:00

Scottish Borders

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Dumfries Timeseries Graph	n/m	28 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Eskdalemuir Timeseries Graph	71 (3 Low)	1 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Peebles Timeseries Graph	73 (3 Low)	2 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00

South East

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Brighton Preston Park Timeseries Graph	58 (2 Low)	6 (1 Low)	n/m	4 (1 Low)	n/m	01/04/2023 08:00:00
Canterbury Timeseries Graph	57 (2 Low)	5 (1 Low)	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
Chatham Roadside Timeseries Graph	n/m	8 (1 Low)	n/m	3 (1 Low)	12 (1 Low) ^*1	01/04/2023 08:00:00
Chilbolton Observatory Timeseries Graph	63 (2 Low)	4 (1 Low)	1 (1 Low)	2 (1 Low)	3 (1 Low) ^*2	01/04/2023 08:00:00
Eastbourne Timeseries Graph	n/m	5 (1 Low)	n/m	6 (1 Low)	11 (1 Low) ^*2	01/04/2023 08:00:00
Horley Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Lullington Heath Timeseries Graph	61 (2 Low)	2 (1 Low)	3 (1 Low)	8 (1 Low)	14 (1 Low) ^*2	01/04/2023 08:00:00
Oxford Centre Roadside Timeseries Graph	n/m	20 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Oxford St Ebbes Timeseries Graph	n/m	8 (1 Low)	n/m	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00
Portsmouth Timeseries Graph	68 (3 Low)	4 (1 Low)	n/m	5 (1 Low)	9 (1 Low) ^*2	01/04/2023 08:00:00
Portsmouth Anglesea Road Timeseries Graph	n/m	11 (1 Low)	n/m	n/m	14 (1 Low) ^*1	01/04/2023 08:00:00
Reading London Road Timeseries Graph	n/m	26 (1 Low)	n/m	n/m	8 (1 Low) ^*1	01/04/2023 08:00:00
Reading New Town Timeseries Graph	49 (2 Low)	13 (1 Low)	n/m	3 (1 Low)	9 (1 Low) ^*1	01/04/2023 08:00:00
Rochester Stoke Timeseries Graph	54 (2 Low)	3 (1 Low)	1 (1 Low)	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
Southampton A33 Timeseries Graph	n/m	16 (1 Low)	n/m	n/m	7 (1 Low) ^*1	01/04/2023 08:00:00
Southampton Centre Timeseries Graph	60 (2 Low)	19 (1 Low)	1 (1 Low)	3 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
Storrington Roadside Timeseries Graph	n/m	22 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Worthing A27 Roadside Timeseries Graph	n/m	19 (1 Low)	n/m	5 (1 Low)	n/m	01/04/2023 08:00:00

South Wales

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Cardiff Centre Timeseries Graph	60 (2 Low)	7 (1 Low)	2 (1 Low)	9 (1 Low)	10 (1 Low) ^*1	01/04/2023 08:00:00
Cardiff Newport Road Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	9 (1 Low) ^*1	01/04/2023 08:00:00
Chepstow A48 Timeseries Graph	n/m	37 (1 Low)	n/m	6 (1 Low)	8 (1 Low) ^*1	01/04/2023 08:00:00
Cwmbran Crownbridge Timeseries Graph	64 (2 Low)	4 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Hafod-yr-ynys Roadside Timeseries Graph	n/m	n/a	n/m	n/m	n/m	29/03/2023 17:00:00
Narberth Timeseries Graph	67 (3 Low)	2 (1 Low)	1 (1 Low)	4 (1 Low)	9 (1 Low) ^*2	01/04/2023 08:00:00
Newport Timeseries Graph	n/m	10 (1 Low)	n/m	2 (1 Low)	3 (1 Low) ^*2	01/04/2023 08:00:00
Port Talbot Margam Timeseries Graph	68 (3 Low)	6 (1 Low)	0 (1 Low)	5 (1 Low)	20 (2 Low) ^*3	01/04/2023 08:00:00
Swansea Roadside Timeseries Graph	n/m	7 (1 Low)	n/m	4 (1 Low)	12 (1 Low) ^*1	01/04/2023 08:00:00

South West

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Barnstaple A39 Timeseries Graph	n/m	n/m	n/m	n/a	26 (2 Low) ^*1	01/04/2023 08:00:00
Bath A4 Roadside Timeseries Graph	n/m	14 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Bournemouth Timeseries Graph	n/a	3 (1 Low)	n/m	n/a	n/m	01/04/2023 08:00:00
Bristol St Paul's Timeseries Graph	61 (2 Low)	8 (1 Low)	n/m	7 (1 Low)	9 (1 Low) ^*1	01/04/2023 08:00:00
Bristol Temple Way Timeseries Graph	n/m	11 (1 Low)	n/m	n/m	9 (1 Low) ^*1	01/04/2023 08:00:00
Charlton Mackrell Timeseries Graph	75 (3 Low)	1 (1 Low)	n/m	2 (1 Low)	4 (1 Low) ^*2	01/04/2023 08:00:00
Christchurch Barrack Road Timeseries Graph	n/m	6 (1 Low)	n/m	6 (1 Low)	n/m	01/04/2023 08:00:00
Exeter Roadside Timeseries Graph	77 (3 Low)	5 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Honiton Timeseries Graph	n/m	10 (1 Low)	n/m	3 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
Plymouth Centre Timeseries Graph	82 (3 Low)	4 (1 Low)	n/m	7 (1 Low)	14 (1 Low) ^*2	01/04/2023 08:00:00
Plymouth Tavistock Road Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	n/m	01/04/2023 07:00:00
Saltash Callington Road Timeseries Graph	n/m	n/m	n/m	4 (1 Low)	14 (1 Low) ^*1	01/04/2023 08:00:00
Swindon Walcot Timeseries Graph	n/m	18 (1 Low)	n/m	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 08:00:00
Yarner Wood Timeseries Graph	80 (3 Low)	0 (1 Low)	n/m	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00

West Ireland

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Mace Head Timeseries Graph	n/a	n/m	n/m	n/m	n/m	21/03/2023 17:00:00

West Midlands

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Birmingham A4540 Roadside Timeseries Graph	47 (2 Low)	12 (1 Low)	n/m	5 (1 Low)	7 (1 Low) ^*2	01/04/2023 08:00:00
Birmingham Ladywood Timeseries Graph	56 (2 Low)	10 (1 Low)	5 (1 Low)	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
Burton-on-Trent Horninglow Timeseries Graph	61 (2 Low)	6 (1 Low)	n/m	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 08:00:00
Cannock A5190 Roadside Timeseries Graph	n/m	11 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Coventry Allesley Timeseries Graph	58 (2 Low)	8 (1 Low)	n/m	4 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00
Coventry Binley Road Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	6 (1 Low) ^*1	01/04/2023 08:00:00
Leamington Spa Timeseries Graph	63 (2 Low)	8 (1 Low)	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
Leamington Spa Rugby Road Timeseries Graph	n/m	11 (1 Low)	n/m	4 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00
Leominster Timeseries Graph	58 (2 Low)	7 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Oldbury Birmingham Road Timeseries Graph	n/m	17 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
Stoke-on-Trent A50 Roadside Timeseries Graph	n/m	31 (1 Low)	n/m	n/m	9 (1 Low) ^*1	01/04/2023 08:00:00
Stoke-on-Trent Centre Timeseries Graph	54 (2 Low)	12 (1 Low)	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
Telford Hollinswood Timeseries Graph	50 (2 Low)	13 (1 Low)	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
Walsall Woodlands Timeseries Graph	58 (2 Low)	6 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
West Bromwich Kenrick Park Timeseries Graph	47 (2 Low)	8 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00

Yorkshire & Humberside

Latest measured levels based on data provided by the Environment Agency
Monitoring site	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 PM_2.5 Particles (µgm^-3)	Running 24 Hour mean PM₁₀ Particles (µgm^-3)	Last updated
Barnsley Gawber Timeseries Graph	68 (3 Low)	8 (1 Low)	3 (1 Low)	n/m	n/m	01/04/2023 08:00:00
Bradford Mayo Avenue Timeseries Graph	n/m	19 (1 Low)	n/m	n/m	n/m	01/04/2023 07:00:00
Dewsbury Ashworth Grove Timeseries Graph	75 (3 Low)	6 (1 Low)	n/m	4 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00
Doncaster A630 Cleveland Street Timeseries Graph	n/m	17 (1 Low)	n/m	n/m	n/m	01/04/2023 08:00:00
High Muffles Timeseries Graph	76 (3 Low)	1 (1 Low)	n/m	1 (1 Low)	1 (1 Low) ^*2	01/04/2023 08:00:00
Hull Freetown Timeseries Graph	64 (2 Low)	4 (1 Low)	3 (1 Low)	7 (1 Low)	10 (1 Low) ^*2	01/04/2023 08:00:00
Hull Holderness Road Timeseries Graph	n/m	3 (1 Low)	n/m	n/m	16 (1 Low) ^*1	01/04/2023 08:00:00
Immingham Woodlands Avenue Timeseries Graph	62 (2 Low)	9 (1 Low)	n/m	7 (1 Low)	10 (1 Low) ^*2	01/04/2023 08:00:00
Leeds Centre Timeseries Graph	70 (3 Low)	11 (1 Low)	2 (1 Low)	4 (1 Low)	5 (1 Low) ^*2	01/04/2023 08:00:00
Leeds Headingley Kerbside Timeseries Graph	n/m	12 (1 Low)	n/m	6 (1 Low)	10 (1 Low) ^*1	01/04/2023 08:00:00
Scunthorpe Town Timeseries Graph	n/m	11 (1 Low)	0 (1 Low)	n/m	10 (1 Low) ^*1	01/04/2023 08:00:00
Sheffield Barnsley Road Timeseries Graph	n/m	21 (1 Low)	n/m	5 (1 Low)	n/m	01/04/2023 08:00:00
Sheffield Devonshire Green Timeseries Graph	52 (2 Low)	9 (1 Low)	n/m	5 (1 Low)	6 (1 Low) ^*2	01/04/2023 08:00:00
Sheffield Tinsley Timeseries Graph	n/a	n/a	n/m	n/a	n/a	31/03/2023 24:00:
York Bootham Timeseries Graph	n/m	6 (1 Low)	n/m	5 (1 Low)	8 (1 Low) ^*1	01/04/2023 08:00:00
York Fishergate Timeseries Graph	n/m	20 (1 Low)	n/m	3 (1 Low)	11 (1 Low) ^*1	01/04/2023 08:00:00

Legend

n/m means that the pollutant is not measured at that site
n/a means that no data were recorded for the period
*1: measurements are PM₁₀ BAM 1020 heated
*2: measurements are PM₁₀ FIDAS
*3: measurements are PM₁₀ SEQ 47/50

UK AIR

Air Information Resource