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 1pm 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	77 (3 Low)	n/m	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00
Bush Estate Timeseries Graph	82 (3 Low)	1 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Dumbarton Roadside Timeseries Graph	n/m	18 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Edinburgh Nicolson Street Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Edinburgh St Leonards Timeseries Graph	76 (3 Low)	8 (1 Low)	0 (1 Low)	6 (1 Low)	12 (1 Low) ^*2	01/04/2023 13:00:00
Glasgow Great Western Road Timeseries Graph	n/m	5 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Glasgow High Street Timeseries Graph	n/m	5 (1 Low)	n/m	4 (1 Low)	8 (1 Low) ^*2	01/04/2023 13:00:00
Glasgow Kerbside Timeseries Graph	n/m	n/a	n/m	n/m	n/m	31/03/2023 17:00:00
Glasgow Townhead Timeseries Graph	69 (3 Low)	7 (1 Low)	n/m	3 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00
Grangemouth Timeseries Graph	n/m	9 (1 Low)	1 (1 Low)	4 (1 Low)	7 (1 Low) ^*1	01/04/2023 13:00:00
Grangemouth Moray Timeseries Graph	n/m	13 (1 Low)	n/m	n/m	n/m	01/04/2023 12:00:00
Greenock A8 Roadside Timeseries Graph	n/m	22 (1 Low)	n/m	2 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00

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	65 (2 Low)	6 (1 Low)	n/m	4 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00
Chesterfield Roadside Timeseries Graph	n/m	9 (1 Low)	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00
Derby St Alkmund's Way Timeseries Graph	n/m	27 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Ladybower Timeseries Graph	72 (3 Low)	2 (1 Low)	1 (1 Low)	n/m	n/m	01/04/2023 13:00:00
Leicester A594 Roadside Timeseries Graph	n/m	23 (1 Low)	n/m	n/m	9 (1 Low) ^*1	01/04/2023 13:00:00
Leicester University Timeseries Graph	52 (2 Low)	19 (1 Low)	n/m	5 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00
Lincoln Canwick Road Timeseries Graph	n/m	41 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Northampton Spring Park Timeseries Graph	55 (2 Low)	5 (1 Low)	n/m	9 (1 Low)	n/m	01/04/2023 13:00:00
Nottingham Centre Timeseries Graph	54 (2 Low)	21 (1 Low)	1 (1 Low)	6 (1 Low)	8 (1 Low) ^*2	01/04/2023 13:00:00
Nottingham Western Boulevard Timeseries Graph	n/m	24 (1 Low)	n/m	n/m	8 (1 Low) ^*1	01/04/2023 13:00:00

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	2 (1 Low)	n/m	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 13:00:00
Cambridge Roadside Timeseries Graph	n/m	21 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Luton A505 Roadside Timeseries Graph	n/m	32 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Norwich Lakenfields Timeseries Graph	45 (2 Low)	9 (1 Low)	n/m	4 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00
Sandy Roadside Timeseries Graph	n/m	13 (1 Low)	n/m	3 (1 Low)	8 (1 Low) ^*1	01/04/2023 13:00:00
Sibton Timeseries Graph	49 (2 Low)	n/m	n/m	n/m	n/m	01/04/2023 13:00:00
Southend-on-Sea Timeseries Graph	48 (2 Low)	5 (1 Low)	n/m	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 13:00:00
St Osyth Timeseries Graph	44 (2 Low)	2 (1 Low)	n/m	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00
Stanford-le-Hope Roadside Timeseries Graph	n/m	6 (1 Low)	n/m	3 (1 Low)	4 (1 Low) ^*1	01/04/2023 13:00:00
Thurrock Timeseries Graph	48 (2 Low)	11 (1 Low)	n/a	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00
Weybourne Timeseries Graph	54 (2 Low)	n/m	n/m	26 (3 Low)	48 (3 Low) ^*2	01/04/2023 13:00:00
Wicken Fen Timeseries Graph	58 (2 Low)	2 (1 Low)	2 (1 Low)	5 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00

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	47 (1 Low)	n/m	6 (1 Low)	9 (1 Low) ^*1	01/04/2023 13:00:00
Ealing Horn Lane Timeseries Graph	n/m	n/m	n/m	n/m	9 (1 Low) ^*1	01/04/2023 13:00:00
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	11 (1 Low)	n/m	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00
London Bloomsbury Timeseries Graph	36 (2 Low)	29 (1 Low)	4 (1 Low)	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00
London Eltham Timeseries Graph	47 (2 Low)	n/a	n/m	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 13:00:00
London Haringey Priory Park South Timeseries Graph	43 (2 Low)	6 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
London Harlington Timeseries Graph	n/a	n/a	n/m	n/a	n/a	01/04/2023 05:00:00
London Hillingdon Timeseries Graph	47 (2 Low)	5 (1 Low)	n/m	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00
London Honor Oak Park Timeseries Graph	n/m	n/m	n/m	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 13:00:00
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	57 (2 Low)	10 (1 Low)	1 (1 Low)	7 (1 Low)	11 (1 Low) ^*2	01/04/2023 13:00:00
London Teddington Bushy Park Timeseries Graph	n/m	n/m	n/m	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00
London Westminster Timeseries Graph	38 (2 Low)	12 (1 Low)	n/m	5 (1 Low)	n/m	01/04/2023 13:00:00
Southwark A2 Old Kent Road Timeseries Graph	n/m	30 (1 Low)	n/m	n/m	15 (1 Low) ^*1	01/04/2023 13:00:00
Tower Hamlets Roadside Timeseries Graph	n/m	22 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00

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	57 (2 Low)	2 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Inverness Timeseries Graph	n/m	5 (1 Low)	n/m	4 (1 Low)	9 (1 Low) ^*2	01/04/2023 13:00:00
Lerwick Timeseries Graph	62 (2 Low)	n/m	n/m	n/m	n/m	01/04/2023 13:00:00
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	3 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Hartlepool St Abbs Walk Timeseries Graph	73 (3 Low)	6 (1 Low)	n/m	8 (1 Low)	16 (1 Low) ^*2	01/04/2023 13:00:00
Middlesbrough Timeseries Graph	57 (2 Low)	14 (1 Low)	2 (1 Low)	4 (1 Low)	15 (1 Low) ^*1	01/04/2023 13:00:00
Newcastle Centre Timeseries Graph	60 (2 Low)	17 (1 Low)	n/m	6 (1 Low)	14 (1 Low) ^*1	01/04/2023 13:00:00
Newcastle Cradlewell Roadside Timeseries Graph	n/m	11 (1 Low)	n/m	n/m	9 (1 Low) ^*1	01/04/2023 13:00:00
Stockton-on-Tees A1305 Roadside Timeseries Graph	n/m	22 (1 Low)	n/m	5 (1 Low)	n/m	01/04/2023 13:00:00
Stockton-on-Tees Eaglescliffe Timeseries Graph	n/m	9 (1 Low)	n/m	8 (1 Low)	9 (1 Low) ^*1	01/04/2023 13:00:00
Sunderland Silksworth Timeseries Graph	69 (3 Low)	8 (1 Low)	n/m	7 (1 Low)	13 (1 Low) ^*2	01/04/2023 13:00:00
Sunderland Wessington Way Timeseries Graph	n/m	4 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00

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	91 (3 Low)	1 (1 Low)	n/m	10 (1 Low)	32 (2 Low) ^*2	01/04/2023 13:00:00
Aberdeen Union Street Roadside Timeseries Graph	n/m	51 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Aberdeen Wellington Road Timeseries Graph	n/m	44 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Dundee Mains Loan Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00

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)	2 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Wrexham Timeseries Graph	n/m	13 (1 Low)	2 (1 Low)	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00

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	11 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Blackburn Accrington Road Timeseries Graph	n/m	7 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Blackpool Marton Timeseries Graph	60 (2 Low)	2 (1 Low)	n/m	1 (1 Low)	2 (1 Low) ^*2	01/04/2023 13:00:00
Bury Whitefield Roadside Timeseries Graph	n/m	19 (1 Low)	n/m	n/m	7 (1 Low) ^*1	01/04/2023 13:00:00
Carlisle Morton A595 Timeseries Graph	n/m	10 (1 Low)	n/m	6 (1 Low)	8 (1 Low) ^*1	01/04/2023 13:00:00
Crewe Coppenhall Timeseries Graph	65 (2 Low)	6 (1 Low)	n/m	2 (1 Low)	4 (1 Low) ^*2	01/04/2023 13:00:00
Glazebury Timeseries Graph	56 (2 Low)	12 (1 Low)	n/m	1 (1 Low)	2 (1 Low) ^*2	01/04/2023 13:00:00
Liverpool Speke Timeseries Graph	62 (2 Low)	6 (1 Low)	1 (1 Low)	3 (1 Low)	6 (1 Low) ^*1	01/04/2023 13:00:00
Manchester Piccadilly Timeseries Graph	55 (2 Low)	20 (1 Low)	0 (1 Low)	n/a	n/a	01/04/2023 13:00:00
Manchester Sharston Timeseries Graph	68 (3 Low)	8 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Preston Timeseries Graph	59 (2 Low)	13 (1 Low)	n/m	1 (1 Low)	3 (1 Low) ^*2	01/04/2023 13:00:00
Salford Eccles Timeseries Graph	64 (2 Low)	9 (1 Low)	n/m	2 (1 Low)	8 (1 Low) ^*2	01/04/2023 13:00:00
Shaw Crompton Way Timeseries Graph	n/m	17 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
St Helens Linkway Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	6 (1 Low) ^*1	01/04/2023 13:00:00
Warrington Timeseries Graph	n/m	4 (1 Low)	n/m	3 (1 Low)	7 (1 Low) ^*1	01/04/2023 13:00:00
Widnes Milton Road Timeseries Graph	n/m	16 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Wigan Centre Timeseries Graph	64 (2 Low)	3 (1 Low)	n/m	1 (1 Low)	2 (1 Low) ^*2	01/04/2023 13:00:00
Wirral Tranmere Timeseries Graph	64 (2 Low)	7 (1 Low)	n/m	2 (1 Low)	3 (1 Low) ^*2	01/04/2023 13:00:00

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	40 (1 Low)	n/m	n/m	13 (1 Low) ^*1	01/04/2023 13:00:00
Ballymena Antrim Road Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Ballymena Ballykeel Timeseries Graph	n/m	10 (1 Low)	0 (1 Low)	n/m	n/m	01/04/2023 13:00:00
Belfast Centre Timeseries Graph	59 (2 Low)	23 (1 Low)	1 (1 Low)	6 (1 Low)	10 (1 Low) ^*2	01/04/2023 13:00:00
Belfast Stockman's Lane Timeseries Graph	n/m	58 (1 Low)	n/m	n/m	11 (1 Low) ^*1	01/04/2023 13:00:00
Derry Rosemount Timeseries Graph	70 (3 Low)	3 (1 Low)	1 (1 Low)	8 (1 Low)	9 (1 Low) ^*1	01/04/2023 13:00:00
Lough Navar Timeseries Graph	80 (3 Low)	n/m	n/m	2 (1 Low)	3 (1 Low) ^*2	01/04/2023 13:00:00

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	54 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Eskdalemuir Timeseries Graph	77 (3 Low)	1 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Peebles Timeseries Graph	80 (3 Low)	2 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00

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	51 (2 Low)	9 (1 Low)	n/m	2 (1 Low)	n/m	01/04/2023 13:00:00
Canterbury Timeseries Graph	53 (2 Low)	7 (1 Low)	n/m	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 13:00:00
Chatham Roadside Timeseries Graph	n/m	8 (1 Low)	n/m	2 (1 Low)	10 (1 Low) ^*1	01/04/2023 13:00:00
Chilbolton Observatory Timeseries Graph	61 (2 Low)	6 (1 Low)	1 (1 Low)	2 (1 Low)	3 (1 Low) ^*2	01/04/2023 13:00:00
Eastbourne Timeseries Graph	n/m	8 (1 Low)	n/m	4 (1 Low)	7 (1 Low) ^*2	01/04/2023 13:00:00
Horley Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Lullington Heath Timeseries Graph	57 (2 Low)	5 (1 Low)	3 (1 Low)	6 (1 Low)	10 (1 Low) ^*2	01/04/2023 13:00:00
Oxford Centre Roadside Timeseries Graph	n/m	35 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Oxford St Ebbes Timeseries Graph	n/m	5 (1 Low)	n/m	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00
Portsmouth Timeseries Graph	60 (2 Low)	11 (1 Low)	n/m	3 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00
Portsmouth Anglesea Road Timeseries Graph	n/m	25 (1 Low)	n/m	n/m	10 (1 Low) ^*1	01/04/2023 13:00:00
Reading London Road Timeseries Graph	n/m	11 (1 Low)	n/m	n/m	9 (1 Low) ^*1	01/04/2023 13:00:00
Reading New Town Timeseries Graph	45 (2 Low)	8 (1 Low)	n/m	3 (1 Low)	10 (1 Low) ^*1	01/04/2023 13:00:00
Rochester Stoke Timeseries Graph	54 (2 Low)	4 (1 Low)	1 (1 Low)	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 13:00:00
Southampton A33 Timeseries Graph	n/m	20 (1 Low)	n/m	n/m	7 (1 Low) ^*1	01/04/2023 13:00:00
Southampton Centre Timeseries Graph	53 (2 Low)	24 (1 Low)	1 (1 Low)	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 13:00:00
Storrington Roadside Timeseries Graph	n/m	23 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Worthing A27 Roadside Timeseries Graph	n/m	26 (1 Low)	n/m	3 (1 Low)	n/m	01/04/2023 13:00:00

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	58 (2 Low)	9 (1 Low)	2 (1 Low)	10 (1 Low)	10 (1 Low) ^*1	01/04/2023 13:00:00
Cardiff Newport Road Timeseries Graph	n/m	15 (1 Low)	n/m	n/m	9 (1 Low) ^*1	01/04/2023 13:00:00
Chepstow A48 Timeseries Graph	n/m	36 (1 Low)	n/m	6 (1 Low)	8 (1 Low) ^*1	01/04/2023 13:00:00
Cwmbran Crownbridge Timeseries Graph	61 (2 Low)	4 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
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	64 (2 Low)	1 (1 Low)	1 (1 Low)	4 (1 Low)	9 (1 Low) ^*2	01/04/2023 13:00:00
Newport Timeseries Graph	n/m	12 (1 Low)	n/m	2 (1 Low)	3 (1 Low) ^*2	01/04/2023 13:00:00
Port Talbot Margam Timeseries Graph	63 (2 Low)	4 (1 Low)	0 (1 Low)	5 (1 Low)	19 (2 Low) ^*3	01/04/2023 13:00:00
Swansea Roadside Timeseries Graph	n/m	10 (1 Low)	n/m	5 (1 Low)	12 (1 Low) ^*1	01/04/2023 13:00:00

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	4 (1 Low)	25 (2 Low) ^*1	01/04/2023 13:00:00
Bath A4 Roadside Timeseries Graph	n/m	36 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Bournemouth Timeseries Graph	n/a	6 (1 Low)	n/m	n/a	n/m	01/04/2023 13:00:00
Bristol St Paul's Timeseries Graph	58 (2 Low)	10 (1 Low)	n/m	7 (1 Low)	12 (1 Low) ^*1	01/04/2023 13:00:00
Bristol Temple Way Timeseries Graph	n/m	31 (1 Low)	n/m	n/m	9 (1 Low) ^*1	01/04/2023 13:00:00
Charlton Mackrell Timeseries Graph	72 (3 Low)	2 (1 Low)	n/m	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00
Christchurch Barrack Road Timeseries Graph	n/m	21 (1 Low)	n/m	5 (1 Low)	n/m	01/04/2023 13:00:00
Exeter Roadside Timeseries Graph	71 (3 Low)	14 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Honiton Timeseries Graph	n/m	12 (1 Low)	n/m	3 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00
Plymouth Centre Timeseries Graph	78 (3 Low)	6 (1 Low)	n/m	7 (1 Low)	14 (1 Low) ^*2	01/04/2023 13:00:00
Plymouth Tavistock Road Timeseries Graph	n/m	22 (1 Low)	n/m	n/m	n/m	01/04/2023 12:00:00
Saltash Callington Road Timeseries Graph	n/m	n/m	n/m	4 (1 Low)	14 (1 Low) ^*1	01/04/2023 13:00:00
Swindon Walcot Timeseries Graph	n/m	9 (1 Low)	n/m	4 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00
Yarner Wood Timeseries Graph	80 (3 Low)	1 (1 Low)	n/m	3 (1 Low)	5 (1 Low) ^*2	01/04/2023 13:00:00

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	58 (2 Low)	13 (1 Low)	n/m	5 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00
Birmingham Ladywood Timeseries Graph	64 (2 Low)	10 (1 Low)	5 (1 Low)	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00
Burton-on-Trent Horninglow Timeseries Graph	66 (2 Low)	6 (1 Low)	n/m	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 13:00:00
Cannock A5190 Roadside Timeseries Graph	n/m	14 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Coventry Allesley Timeseries Graph	60 (2 Low)	8 (1 Low)	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00
Coventry Binley Road Timeseries Graph	n/m	12 (1 Low)	n/m	n/m	8 (1 Low) ^*1	01/04/2023 13:00:00
Leamington Spa Timeseries Graph	62 (2 Low)	12 (1 Low)	n/m	5 (1 Low)	7 (1 Low) ^*2	01/04/2023 13:00:00
Leamington Spa Rugby Road Timeseries Graph	n/m	12 (1 Low)	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00
Leominster Timeseries Graph	60 (2 Low)	3 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Oldbury Birmingham Road Timeseries Graph	n/m	21 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
Stoke-on-Trent A50 Roadside Timeseries Graph	n/m	15 (1 Low)	n/m	n/m	9 (1 Low) ^*1	01/04/2023 13:00:00
Stoke-on-Trent Centre Timeseries Graph	54 (2 Low)	30 (1 Low)	n/m	4 (1 Low)	7 (1 Low) ^*2	01/04/2023 13:00:00
Telford Hollinswood Timeseries Graph	52 (2 Low)	9 (1 Low)	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00
Walsall Woodlands Timeseries Graph	66 (2 Low)	5 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
West Bromwich Kenrick Park Timeseries Graph	56 (2 Low)	7 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00

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	69 (3 Low)	8 (1 Low)	2 (1 Low)	n/m	n/m	01/04/2023 13:00:00
Bradford Mayo Avenue Timeseries Graph	n/m	38 (1 Low)	n/m	n/m	n/m	01/04/2023 12:00:00
Dewsbury Ashworth Grove Timeseries Graph	73 (3 Low)	9 (1 Low)	n/m	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 13:00:00
Doncaster A630 Cleveland Street Timeseries Graph	n/m	34 (1 Low)	n/m	n/m	n/m	01/04/2023 13:00:00
High Muffles Timeseries Graph	76 (3 Low)	1 (1 Low)	n/m	1 (1 Low)	2 (1 Low) ^*2	01/04/2023 13:00:00
Hull Freetown Timeseries Graph	67 (3 Low)	5 (1 Low)	2 (1 Low)	6 (1 Low)	9 (1 Low) ^*2	01/04/2023 13:00:00
Hull Holderness Road Timeseries Graph	n/m	7 (1 Low)	n/m	n/m	15 (1 Low) ^*1	01/04/2023 13:00:00
Immingham Woodlands Avenue Timeseries Graph	65 (2 Low)	5 (1 Low)	n/m	6 (1 Low)	9 (1 Low) ^*2	01/04/2023 13:00:00
Leeds Centre Timeseries Graph	67 (3 Low)	14 (1 Low)	2 (1 Low)	3 (1 Low)	4 (1 Low) ^*2	01/04/2023 13:00:00
Leeds Headingley Kerbside Timeseries Graph	n/m	21 (1 Low)	n/m	6 (1 Low)	14 (1 Low) ^*1	01/04/2023 13:00:00
Scunthorpe Town Timeseries Graph	n/m	5 (1 Low)	0 (1 Low)	n/m	8 (1 Low) ^*1	01/04/2023 13:00:00
Sheffield Barnsley Road Timeseries Graph	n/m	29 (1 Low)	n/m	4 (1 Low)	n/m	01/04/2023 13:00:00
Sheffield Devonshire Green Timeseries Graph	55 (2 Low)	12 (1 Low)	n/m	4 (1 Low)	6 (1 Low) ^*2	01/04/2023 13:00:00
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	7 (1 Low)	n/m	4 (1 Low)	8 (1 Low) ^*1	01/04/2023 13:00:00
York Fishergate Timeseries Graph	n/m	28 (1 Low)	n/m	2 (1 Low)	13 (1 Low) ^*1	01/04/2023 13:00:00

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