24 Hour Summary, based on data provided by 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
Maximum pollutant levels displayed on UK-AIR for the 24 hour period up to 10pm Sat 28th May 2022

Central Scotland

24 Hour Summary, based on data provided by 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	80 (3 Low)	n/m	n/m	3 (1 Low)	5 (1 Low) ^*2	28/05/2022 01:00:00
Bush Estate Timeseries Graph	75 (3 Low)	5 (1 Low)	n/m	n/m	n/m	28/05/2022 20:00:00
Dumbarton Roadside Timeseries Graph	n/m	9 (1 Low)	n/m	n/m	n/m	28/05/2022 11:00:00
Edinburgh Nicolson Street Timeseries Graph	n/m	42 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00
Edinburgh St Leonards Timeseries Graph	59 (2 Low)	21 (1 Low)	2 (1 Low)	4 (1 Low)	10 (1 Low) ^*2	28/05/2022 18:45:00
Glasgow Great Western Road Timeseries Graph	n/m	19 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00
Glasgow High Street Timeseries Graph	n/m	28 (1 Low)	n/m	5 (1 Low)	12 (1 Low) ^*2	28/05/2022 01:00:00
Glasgow Kerbside Timeseries Graph	n/m	78 (2 Low)	n/m	n/m	n/m	28/05/2022 21:00:00
Glasgow Townhead Timeseries Graph	69 (3 Low)	19 (1 Low)	n/m	4 (1 Low)	10 (1 Low) ^*2	28/05/2022 01:00:00
Grangemouth Timeseries Graph	n/m	7 (1 Low)	201 (3 Low)	7 (1 Low)	10 (1 Low) ^*1	28/05/2022 17:45:00
Grangemouth Moray Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	n/m	28/05/2022 21:00:00
Greenock A8 Roadside Timeseries Graph	n/m	30 (1 Low)	n/m	5 (1 Low)	11 (1 Low) ^*2	28/05/2022 01:00:00

East Midlands

24 Hour Summary, based on data provided by 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	n/m	11 (1 Low)	n/m	5 (1 Low)	12 (1 Low) ^*2	28/05/2022 01:00:00
Chesterfield Roadside Timeseries Graph	n/m	18 (1 Low)	n/m	6 (1 Low)	13 (1 Low) ^*2	28/05/2022 01:00:00
Derby St Alkmund's Way Timeseries Graph	n/m	26 (1 Low)	n/m	n/m	n/m	27/05/2022 24:00:
Ladybower Timeseries Graph	n/a	3 (1 Low)	n/a	n/m	n/m	24/05/2022 16:30:00
Leicester A594 Roadside Timeseries Graph	n/m	39 (1 Low)	n/m	n/m	22 (2 Low) ^*1	27/05/2022 24:00:
Leicester University Timeseries Graph	67 (3 Low)	24 (1 Low)	n/m	5 (1 Low)	13 (1 Low) ^*2	28/05/2022 02:00:00
Lincoln Canwick Road Timeseries Graph	n/m	44 (1 Low)	n/m	n/m	n/m	28/05/2022 15:00:00
Northampton Spring Park Timeseries Graph	86 (3 Low)	14 (1 Low)	n/m	9 (1 Low)	n/m	28/05/2022 05:00:00
Nottingham Centre Timeseries Graph	63 (2 Low)	29 (1 Low)	2 (1 Low)	8 (1 Low)	16 (1 Low) ^*2	28/05/2022 02:30:00
Nottingham Western Boulevard Timeseries Graph	n/m	31 (1 Low)	n/m	n/m	17 (2 Low) ^*1	28/05/2022 13:00:00

Eastern

24 Hour Summary, based on data provided by 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	10 (1 Low)	n/m	6 (1 Low)	15 (1 Low) ^*2	28/05/2022 07:00:00
Cambridge Roadside Timeseries Graph	n/m	30 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00
Luton A505 Roadside Timeseries Graph	n/m	38 (1 Low)	n/m	n/m	n/m	28/05/2022 12:00:00
Norwich Lakenfields Timeseries Graph	74 (3 Low)	11 (1 Low)	n/m	5 (1 Low)	11 (1 Low) ^*2	28/05/2022 01:00:00
Sandy Roadside Timeseries Graph	n/m	13 (1 Low)	n/m	5 (1 Low)	18 (2 Low) ^*1	28/05/2022 01:00:00
Sibton Timeseries Graph	78 (3 Low)	n/m	n/m	n/m	n/m	27/05/2022 23:00:00
Southend-on-Sea Timeseries Graph	80 (3 Low)	15 (1 Low)	n/m	6 (1 Low)	13 (1 Low) ^*2	28/05/2022 07:00:00
St Osyth Timeseries Graph	87 (3 Low)	9 (1 Low)	n/m	5 (1 Low)	11 (1 Low) ^*2	28/05/2022 06:00:00
Stanford-le-Hope Roadside Timeseries Graph	n/m	17 (1 Low)	n/m	10 (1 Low)	15 (1 Low) ^*1	28/05/2022 07:00:00
Thurrock Timeseries Graph	74 (3 Low)	10 (1 Low)	2 (1 Low)	n/m	15 (1 Low) ^*1	28/05/2022 09:15:00
Weybourne Timeseries Graph	74 (3 Low)	n/m	n/m	n/m	n/m	27/05/2022 20:00:00
Wicken Fen Timeseries Graph	79 (3 Low)	7 (1 Low)	3 (1 Low)	n/m	n/m	28/05/2022 08:15:00

Greater London

24 Hour Summary, based on data provided by 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	48 (1 Low)	n/m	8 (1 Low)	24 (2 Low) ^*1	28/05/2022 07:00:00
Ealing Horn Lane Timeseries Graph	n/m	n/m	n/m	n/m	48 (3 Low) ^*1	28/05/2022 06:00:00
Haringey Roadside Timeseries Graph	n/m	25 (1 Low)	n/m	n/m	n/m	28/05/2022 22:00:00
London Bexley Timeseries Graph	n/m	15 (1 Low)	n/m	6 (1 Low)	14 (1 Low) ^*2	28/05/2022 07:00:00
London Bloomsbury Timeseries Graph	60 (2 Low)	23 (1 Low)	2 (1 Low)	6 (1 Low)	13 (1 Low) ^*2	27/05/2022 23:45:00
London Eltham Timeseries Graph	69 (3 Low)	6 (1 Low)	n/m	n/a	n/a	27/05/2022 01:00:00
London Haringey Priory Park South Timeseries Graph	89 (3 Low)	13 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00
London Harlington Timeseries Graph	72 (3 Low)	26 (1 Low)	n/m	5 (1 Low)	13 (1 Low) ^*2	28/05/2022 08:00:00
London Hillingdon Timeseries Graph	60 (2 Low)	11 (1 Low)	n/m	5 (1 Low)	11 (1 Low) ^*2	28/05/2022 08:00:00
London Honor Oak Park Timeseries Graph	n/m	n/m	n/m	5 (1 Low)	11 (1 Low) ^*2	28/05/2022 07:00:00
London Marylebone Road Timeseries Graph	72 (3 Low)	24 (1 Low)	1 (1 Low)	8 (1 Low)	21 (2 Low) ^*1	28/05/2022 17:30:00
London N. Kensington Timeseries Graph	80 (3 Low)	17 (1 Low)	2 (1 Low)	6 (1 Low)	13 (1 Low) ^*2	28/05/2022 04:00:00
London Teddington Bushy Park Timeseries Graph	n/m	n/m	n/m	6 (1 Low)	12 (1 Low) ^*2	28/05/2022 08:00:00
London Westminster Timeseries Graph	n/m	14 (1 Low)	n/m	4 (1 Low)	n/m	28/05/2022 04:00:00
Southwark A2 Old Kent Road Timeseries Graph	n/m	28 (1 Low)	n/m	n/m	21 (2 Low) ^*1	28/05/2022 12:00:00
Tower Hamlets Roadside Timeseries Graph	n/m	23 (1 Low)	n/m	n/m	n/m	27/05/2022 24:00:

Highland

24 Hour Summary, based on data provided by 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	68 (3 Low)	10 (1 Low)	n/m	n/m	n/m	28/05/2022 01:00:00
Inverness Timeseries Graph	n/m	15 (1 Low)	n/m	3 (1 Low)	7 (1 Low) ^*2	28/05/2022 10:00:00
Lerwick Timeseries Graph	72 (3 Low)	n/m	n/m	n/m	n/m	27/05/2022 23:00:00
Strathvaich Timeseries Graph	74 (3 Low)	n/m	n/m	n/m	n/m	28/05/2022 14:00:00

North East

24 Hour Summary, based on data provided by 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	4 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00
Hartlepool St Abbs Walk Timeseries Graph	n/m	7 (1 Low)	n/m	4 (1 Low)	8 (1 Low) ^*2	28/05/2022 01:00:00
Middlesbrough Timeseries Graph	65 (2 Low)	17 (1 Low)	1 (1 Low)	3 (1 Low)	14 (1 Low) ^*1	28/05/2022 14:00:00
Newcastle Centre Timeseries Graph	62 (2 Low)	36 (1 Low)	n/m	2 (1 Low)	12 (1 Low) ^*1	28/05/2022 03:00:00
Newcastle Cradlewell Roadside Timeseries Graph	n/m	n/a	n/m	n/m	n/a	23/05/2022 08:00:00
Stockton-on-Tees A1305 Roadside Timeseries Graph	n/m	28 (1 Low)	n/m	3 (1 Low)	n/m	28/05/2022 01:00:00
Stockton-on-Tees Eaglescliffe Timeseries Graph	n/m	13 (1 Low)	n/m	4 (1 Low)	14 (1 Low) ^*1	28/05/2022 01:00:00
Sunderland Silksworth Timeseries Graph	71 (3 Low)	29 (1 Low)	n/m	4 (1 Low)	10 (1 Low) ^*2	28/05/2022 01:00:00
Sunderland Wessington Way Timeseries Graph	n/m	11 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00

North East Scotland

24 Hour Summary, based on data provided by 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	67 (3 Low)	10 (1 Low)	n/m	3 (1 Low)	5 (1 Low) ^*2	28/05/2022 18:00:00
Aberdeen Union Street Roadside Timeseries Graph	n/m	37 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00
Aberdeen Wellington Road Timeseries Graph	n/m	27 (1 Low)	n/m	n/m	n/m	28/05/2022 09:00:00
Dundee Mains Loan Timeseries Graph	n/m	n/a	n/m	n/m	n/m	29/04/2022 09:00:00

North Wales

24 Hour Summary, based on data provided by 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	80 (3 Low)	3 (1 Low)	n/m	n/m	n/m	27/05/2022 22:00:00
Wrexham Timeseries Graph	n/m	10 (1 Low)	2 (1 Low)	6 (1 Low)	12 (1 Low) ^*2	28/05/2022 16:30:00

North West & Merseyside

24 Hour Summary, based on data provided by 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	10 (1 Low)	n/m	n/m	n/m	28/05/2022 14:00:00
Blackburn Accrington Road Timeseries Graph	n/m	15 (1 Low)	n/m	n/m	n/m	27/05/2022 24:00:
Blackpool Marton Timeseries Graph	75 (3 Low)	7 (1 Low)	n/m	6 (1 Low)	14 (1 Low) ^*2	28/05/2022 01:00:00
Bury Whitefield Roadside Timeseries Graph	n/m	16 (1 Low)	n/m	n/m	17 (2 Low) ^*1	28/05/2022 07:00:00
Carlisle Morton A595 Timeseries Graph	n/m	8 (1 Low)	n/m	6 (1 Low)	23 (2 Low) ^*1	28/05/2022 01:00:00
Crewe Coppenhall Timeseries Graph	n/m	7 (1 Low)	n/m	n/m	n/m	28/05/2022 21:00:00
Glazebury Timeseries Graph	70 (3 Low)	6 (1 Low)	n/m	n/m	n/m	27/05/2022 22:00:00
Liverpool Speke Timeseries Graph	72 (3 Low)	10 (1 Low)	2 (1 Low)	4 (1 Low)	20 (2 Low) ^*1	28/05/2022 01:15:00
Manchester Piccadilly Timeseries Graph	61 (2 Low)	29 (1 Low)	0 (1 Low)	8 (1 Low)	19 (2 Low) ^*2	28/05/2022 21:00:00
Manchester Sharston Timeseries Graph	71 (3 Low)	22 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00
Preston Timeseries Graph	68 (3 Low)	22 (1 Low)	n/m	6 (1 Low)	15 (1 Low) ^*2	28/05/2022 01:00:00
Salford Eccles Timeseries Graph	n/m	35 (1 Low)	n/m	8 (1 Low)	19 (2 Low) ^*2	28/05/2022 01:00:00
Shaw Crompton Way Timeseries Graph	n/m	41 (1 Low)	n/m	n/m	n/m	28/05/2022 02:00:00
St Helens Linkway Timeseries Graph	n/m	18 (1 Low)	n/m	n/m	19 (2 Low) ^*1	28/05/2022 13:00:00
Warrington Timeseries Graph	n/m	14 (1 Low)	n/m	5 (1 Low)	16 (1 Low) ^*1	28/05/2022 01:00:00
Widnes Milton Road Timeseries Graph	n/m	19 (1 Low)	n/m	n/m	n/m	28/05/2022 11:00:00
Wigan Centre Timeseries Graph	74 (3 Low)	12 (1 Low)	n/m	7 (1 Low)	16 (1 Low) ^*2	28/05/2022 01:00:00
Wirral Tranmere Timeseries Graph	74 (3 Low)	6 (1 Low)	n/m	7 (1 Low)	15 (1 Low) ^*2	28/05/2022 01:00:00

Northern Ireland

24 Hour Summary, based on data provided by 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	33 (1 Low)	n/m	n/m	17 (2 Low) ^*1	28/05/2022 09:00:00
Ballymena Antrim Road Timeseries Graph	n/m	16 (1 Low)	n/m	n/m	n/m	28/05/2022 07:00:00
Ballymena Ballykeel Timeseries Graph	n/m	8 (1 Low)	3 (1 Low)	n/m	n/m	28/05/2022 03:00:00
Belfast Centre Timeseries Graph	67 (3 Low)	28 (1 Low)	17 (1 Low)	6 (1 Low)	14 (1 Low) ^*2	28/05/2022 17:00:00
Belfast Stockman's Lane Timeseries Graph	n/m	44 (1 Low)	n/m	n/m	22 (2 Low) ^*1	28/05/2022 12:00:00
Derry Rosemount Timeseries Graph	72 (3 Low)	7 (1 Low)	2 (1 Low)	6 (1 Low)	14 (1 Low) ^*1	28/05/2022 20:15:00
Lough Navar Timeseries Graph	76 (3 Low)	n/m	n/m	6 (1 Low)	13 (1 Low) ^*2	28/05/2022 01:00:00

Scottish Borders

24 Hour Summary, based on data provided by 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	51 (1 Low)	n/m	n/m	n/m	28/05/2022 14:00:00
Eskdalemuir Timeseries Graph	n/a	n/a	n/m	n/m	n/m	30/03/2021 15:00:00
Peebles Timeseries Graph	71 (3 Low)	4 (1 Low)	n/m	n/m	n/m	28/05/2022 20:00:00

South East

24 Hour Summary, based on data provided by 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	80 (3 Low)	24 (1 Low)	n/m	7 (1 Low)	n/m	28/05/2022 10:00:00
Canterbury Timeseries Graph	89 (3 Low)	10 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00
Chatham Roadside Timeseries Graph	n/m	21 (1 Low)	n/m	4 (1 Low)	20 (2 Low) ^*1	28/05/2022 12:00:00
Chilbolton Observatory Timeseries Graph	79 (3 Low)	3 (1 Low)	1 (1 Low)	5 (1 Low)	10 (1 Low) ^*2	28/05/2022 09:00:00
Eastbourne Timeseries Graph	n/m	11 (1 Low)	n/m	6 (1 Low)	13 (1 Low) ^*2	28/05/2022 01:00:00
Horley Timeseries Graph	n/m	n/a	n/m	n/m	n/m	16/05/2022 07:00:00
Lullington Heath Timeseries Graph	85 (3 Low)	11 (1 Low)	3 (1 Low)	n/m	n/m	28/05/2022 18:45:00
Oxford Centre Roadside Timeseries Graph	n/m	52 (1 Low)	n/m	n/m	n/m	28/05/2022 02:00:00
Oxford St Ebbes Timeseries Graph	n/m	38 (1 Low)	n/m	5 (1 Low)	10 (1 Low) ^*2	28/05/2022 07:00:00
Portsmouth Timeseries Graph	87 (3 Low)	20 (1 Low)	n/m	6 (1 Low)	12 (1 Low) ^*2	28/05/2022 10:00:00
Portsmouth Anglesea Road Timeseries Graph	n/m	30 (1 Low)	n/m	n/m	18 (2 Low) ^*1	28/05/2022 20:00:00
Reading London Road Timeseries Graph	n/m	28 (1 Low)	n/m	n/m	19 (2 Low) ^*1	28/05/2022 22:00:00
Reading New Town Timeseries Graph	73 (3 Low)	15 (1 Low)	n/m	7 (1 Low)	16 (1 Low) ^*1	28/05/2022 08:00:00
Rochester Stoke Timeseries Graph	83 (3 Low)	12 (1 Low)	4 (1 Low)	7 (1 Low)	13 (1 Low) ^*2	28/05/2022 08:45:00
Southampton A33 Timeseries Graph	n/m	26 (1 Low)	n/m	n/m	13 (1 Low) ^*1	28/05/2022 05:00:00
Southampton Centre Timeseries Graph	76 (3 Low)	16 (1 Low)	1 (1 Low)	6 (1 Low)	13 (1 Low) ^*2	28/05/2022 12:00:00
Storrington Roadside Timeseries Graph	n/m	35 (1 Low)	n/m	n/m	n/m	28/05/2022 13:00:00
Worthing A27 Roadside Timeseries Graph	n/m	35 (1 Low)	n/m	6 (1 Low)	n/m	28/05/2022 11:00:00

South Wales

24 Hour Summary, based on data provided by 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	73 (3 Low)	25 (1 Low)	5 (1 Low)	14 (2 Low)	16 (1 Low) ^*1	28/05/2022 20:15:00
Cardiff Newport Road Timeseries Graph	n/m	42 (1 Low)	n/m	n/m	17 (2 Low) ^*1	27/05/2022 24:00:
Chepstow A48 Timeseries Graph	n/m	26 (1 Low)	n/m	10 (1 Low)	17 (2 Low) ^*1	28/05/2022 05:00:00
Cwmbran Crownbridge Timeseries Graph	78 (3 Low)	17 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00
Hafod-yr-ynys Roadside Timeseries Graph	n/m	39 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00
Narberth Timeseries Graph	76 (3 Low)	5 (1 Low)	2 (1 Low)	6 (1 Low)	12 (1 Low) ^*2	28/05/2022 21:45:00
Newport Timeseries Graph	n/m	53 (1 Low)	n/m	5 (1 Low)	11 (1 Low) ^*2	28/05/2022 05:00:00
Port Talbot Margam Timeseries Graph	69 (3 Low)	15 (1 Low)	49 (1 Low)	6 (1 Low)	20 (2 Low) ^*3	28/05/2022 16:45:00
Swansea Roadside Timeseries Graph	n/m	23 (1 Low)	n/m	7 (1 Low)	15 (1 Low) ^*1	28/05/2022 04:00:00

South West

24 Hour Summary, based on data provided by 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	n/a	27/11/2021 01:00:00
Bath A4 Roadside Timeseries Graph	n/m	39 (1 Low)	n/m	n/m	n/m	28/05/2022 20:00:00
Bournemouth Timeseries Graph	83 (3 Low)	14 (1 Low)	n/m	10 (1 Low)	n/m	28/05/2022 08:00:00
Bristol St Paul's Timeseries Graph	76 (3 Low)	20 (1 Low)	n/m	6 (1 Low)	17 (2 Low) ^*1	28/05/2022 06:00:00
Bristol Temple Way Timeseries Graph	n/m	55 (1 Low)	n/m	n/m	34 (3 Low) ^*1	28/05/2022 22:00:00
Charlton Mackrell Timeseries Graph	78 (3 Low)	4 (1 Low)	n/m	n/m	n/m	28/05/2022 19:00:00
Christchurch Barrack Road Timeseries Graph	n/m	23 (1 Low)	n/m	8 (1 Low)	n/m	28/05/2022 13:00:00
Exeter Roadside Timeseries Graph	73 (3 Low)	28 (1 Low)	n/m	n/m	n/m	27/05/2022 21:00:00
Honiton Timeseries Graph	n/m	10 (1 Low)	n/m	6 (1 Low)	11 (1 Low) ^*2	28/05/2022 05:00:00
Plymouth Centre Timeseries Graph	74 (3 Low)	45 (1 Low)	n/m	9 (1 Low)	16 (1 Low) ^*2	28/05/2022 17:00:00
Plymouth Tavistock Road Timeseries Graph	n/m	17 (1 Low)	n/m	n/m	n/m	28/05/2022 08:00:00
Saltash Callington Road Timeseries Graph	n/m	n/m	n/m	4 (1 Low)	20 (2 Low) ^*1	28/05/2022 07:00:00
Swindon Walcot Timeseries Graph	n/m	14 (1 Low)	n/m	n/m	n/m	28/05/2022 03:00:00
Yarner Wood Timeseries Graph	93 (3 Low)	2 (1 Low)	n/m	n/m	n/m	28/05/2022 20:00:00

West Ireland

24 Hour Summary, based on data provided by 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	81 (3 Low)	n/m	n/m	n/m	n/m	27/05/2022 22:00:00

West Midlands

24 Hour Summary, based on data provided by 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	67 (3 Low)	30 (1 Low)	n/m	6 (1 Low)	16 (1 Low) ^*2	28/05/2022 04:00:00
Birmingham Acocks Green Timeseries Graph	n/a	n/a	n/m	n/a	n/a	01/10/2021 03:00:00
Birmingham Ladywood Timeseries Graph	75 (3 Low)	13 (1 Low)	1 (1 Low)	6 (1 Low)	15 (1 Low) ^*2	28/05/2022 10:15:00
Burton-on-Trent Horninglow Timeseries Graph	n/m	7 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00
Cannock A5190 Roadside Timeseries Graph	n/m	20 (1 Low)	n/m	n/m	n/m	28/05/2022 20:00:00
Coventry Allesley Timeseries Graph	74 (3 Low)	14 (1 Low)	n/m	5 (1 Low)	11 (1 Low) ^*2	28/05/2022 04:00:00
Coventry Binley Road Timeseries Graph	n/m	36 (1 Low)	n/m	n/m	16 (1 Low) ^*1	27/05/2022 23:00:00
Leamington Spa Timeseries Graph	79 (3 Low)	13 (1 Low)	n/m	6 (1 Low)	13 (1 Low) ^*2	28/05/2022 05:00:00
Leamington Spa Rugby Road Timeseries Graph	n/m	9 (1 Low)	n/m	5 (1 Low)	10 (1 Low) ^*2	28/05/2022 05:00:00
Leominster Timeseries Graph	86 (3 Low)	7 (1 Low)	n/m	n/m	n/m	28/05/2022 21:00:00
Oldbury Birmingham Road Timeseries Graph	n/m	18 (1 Low)	n/m	n/m	n/m	27/05/2022 23:00:00
Stoke-on-Trent A50 Roadside Timeseries Graph	n/m	40 (1 Low)	n/m	n/m	21 (2 Low) ^*1	28/05/2022 11:00:00
Stoke-on-Trent Centre Timeseries Graph	64 (2 Low)	26 (1 Low)	n/m	7 (1 Low)	18 (2 Low) ^*2	28/05/2022 01:00:00
Telford Hollinswood Timeseries Graph	n/m	8 (1 Low)	n/m	n/m	n/m	28/05/2022 22:00:00
Walsall Woodlands Timeseries Graph	81 (3 Low)	8 (1 Low)	n/m	n/m	n/m	28/05/2022 19:00:00
West Bromwich Kenrick Park Timeseries Graph	n/m	16 (1 Low)	n/m	n/m	n/m	28/05/2022 21:00:00

Yorkshire & Humberside

24 Hour Summary, based on data provided by 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	70 (3 Low)	7 (1 Low)	4 (1 Low)	n/m	n/m	28/05/2022 20:15:00
Bradford Mayo Avenue Timeseries Graph	n/m	68 (2 Low)	n/m	n/m	n/m	28/05/2022 19:00:00
Dewsbury Ashworth Grove Timeseries Graph	n/m	17 (1 Low)	n/m	n/m	n/m	28/05/2022 22:00:00
Doncaster A630 Cleveland Street Timeseries Graph	n/m	22 (1 Low)	n/m	n/m	n/m	28/05/2022 09:00:00
High Muffles Timeseries Graph	75 (3 Low)	4 (1 Low)	n/m	n/m	n/m	28/05/2022 21:00:00
Hull Freetown Timeseries Graph	72 (3 Low)	8 (1 Low)	4 (1 Low)	5 (1 Low)	13 (1 Low) ^*2	28/05/2022 22:00:00
Hull Holderness Road Timeseries Graph	n/m	6 (1 Low)	n/m	n/m	20 (2 Low) ^*1	28/05/2022 06:00:00
Immingham Woodlands Avenue Timeseries Graph	n/m	9 (1 Low)	n/m	5 (1 Low)	12 (1 Low) ^*2	28/05/2022 01:00:00
Leeds Centre Timeseries Graph	66 (2 Low)	15 (1 Low)	2 (1 Low)	5 (1 Low)	12 (1 Low) ^*2	28/05/2022 09:45:00
Leeds Headingley Kerbside Timeseries Graph	n/m	28 (1 Low)	n/m	7 (1 Low)	19 (2 Low) ^*1	28/05/2022 21:00:00
Scunthorpe Town Timeseries Graph	n/m	18 (1 Low)	1 (1 Low)	n/m	17 (2 Low) ^*1	28/05/2022 02:15:00
Sheffield Barnsley Road Timeseries Graph	n/m	45 (1 Low)	n/m	5 (1 Low)	n/m	28/05/2022 01:00:00
Sheffield Devonshire Green Timeseries Graph	61 (2 Low)	15 (1 Low)	n/m	6 (1 Low)	13 (1 Low) ^*2	28/05/2022 01:00:00
Sheffield Tinsley Timeseries Graph	n/m	25 (1 Low)	n/m	6 (1 Low)	14 (1 Low) ^*2	28/05/2022 01:00:00
York Bootham Timeseries Graph	n/m	14 (1 Low)	n/m	5 (1 Low)	13 (1 Low) ^*1	28/05/2022 01:00:00
York Fishergate Timeseries Graph	n/m	22 (1 Low)	n/m	3 (1 Low)	14 (1 Low) ^*1	28/05/2022 01:00:00

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