Air quality by country

Air quality in United Kingdom today

Updated Sun, 25 Oct 2026 19:41:43 GMT

Good: average US AQI 33 across 117 cities Worst now: Newquay (38); cleanest: Richmond, England (29).

Live US AQI, PM2.5 and ozone for cities across United Kingdom, ranked from most polluted to cleanest.

Average US AQI: 33 Good
Most polluted now: Newquay AQI 38
Cleanest now: Richmond, England AQI 29
Cities above 100: 0 unhealthy for sensitive groups or worse

Air quality in United Kingdom today

Right now the modelled air quality in United Kingdom averages a US AQI of 33 (Good) across the 117 cities we track. By category: 117 Good (of 117).

That is 33 points better than the worldwide average of 66 across 3,556 cities.

Newquay has the worst air at 38 with PM2.5 at 2.8 µg/m³, while Richmond, England is cleanest at 29. No tracked city is above 100, the level where sensitive groups are advised to cut back outdoors.

United Kingdom cities by AQI (most polluted first)

City	Region	US AQI	Category	PM2.5 µg/m³	Ozone µg/m³
Newquay	England	38	Good	2.8	82
Aberdeen	Scotland	37	Good	1.9	77
Cardiff	Wales	36	Good	3.8	78
Plymouth	England	36	Good	3.1	78
Blackpool	England	36	Good	4.1	75
Perth, Scotland	Scotland	36	Good	2.6	74
Glasgow	Scotland	35	Good	3.4	75
Edinburgh	Scotland	35	Good	3.2	76
Preston	England	35	Good	4.1	71
Swansea	Wales	35	Good	3.4	75
Newcastle upon Tyne	England	35	Good	3.5	74
Portsmouth	England	35	Good	3.6	78
Sunderland	England	35	Good	3.5	74
Bournemouth	England	35	Good	3.7	75
Poole	England	35	Good	3.7	75
Hastings	England	35	Good	3.7	75
Washington, England	England	35	Good	3.5	74
Hamilton, Scotland	Scotland	35	Good	3.1	76
Kirkcaldy	Scotland	35	Good	3.2	76
Durham, England	England	35	Good	3.4	72
Lancaster, England	England	35	Good	3.7	74
Leeds	England	34	Good	3.8	68
Liverpool	England	34	Good	3.4	72
Bristol	England	34	Good	3.5	75
Bradford	England	34	Good	3.7	70
Belfast	Northern Ireland	34	Good	4.4	66
Birkenhead	England	34	Good	3.4	72
Kingston upon Hull	England	34	Good	3.9	68
Brighton	England	34	Good	3.6	74
Southampton	England	34	Good	4.1	72
St Helens	England	34	Good	3.4	70
Wigan	England	34	Good	3.4	70
Newport	Wales	34	Good	4	73
York	England	34	Good	3.5	70
Huddersfield	England	34	Good	3.7	70
Blackburn	England	34	Good	3.9	71
Exeter	England	34	Good	3.9	67
Wakefield	England	34	Good	3.8	68
Darlington	England	34	Good	3.3	69
Derry	Northern Ireland	34	Good	3.6	70
Halifax, England	England	34	Good	3.7	70
Hove	England	34	Good	3.6	74
Scarborough	England	34	Good	3.2	71
Bangor	Northern Ireland	34	Good	4.2	68
Yeovil	England	34	Good	4	68
Exmouth	England	34	Good	4	67
Yate	England	34	Good	3.5	75
Sheffield	England	33	Good	3.8	66
Reading	England	33	Good	4.5	65
Derby	England	33	Good	3.5	67
Stoke-on-Trent	England	33	Good	3.3	67
Warrington	England	33	Good	3.5	65
Oxford	England	33	Good	4.2	65
Bolton	England	33	Good	3.5	65
High Wycombe	England	33	Good	5	64
Newcastle under Lyme	England	33	Good	3.3	67
Burton upon Trent	England	33	Good	3.4	68
Rotherham	England	33	Good	4.1	63
Doncaster	England	33	Good	4.1	63
Chesterfield	England	33	Good	3.5	66
Basingstoke	England	33	Good	4.1	68
Chester	England	33	Good	3.4	68
Grimsby	England	33	Good	4.1	62
Rugby	England	33	Good	3.3	68
Lowestoft	England	33	Good	3.2	68
Buckley	Wales	33	Good	3.4	68
Great Yarmouth	England	33	Good	3.2	68
Farnborough	England	33	Good	4.4	67
Kidderminster	England	33	Good	3.4	69
Winchester	England	33	Good	4.1	70
Dover	England	33	Good	4.1	69
Fleet	England	33	Good	4.4	67
Abingdon	England	33	Good	4.2	65
Tonbridge	England	33	Good	4.6	67
Cirencester	England	33	Good	3.9	68
Birmingham	England	32	Good	3.1	69
Manchester	England	32	Good	3.8	66
Leicester	England	32	Good	3.6	67
Coventry	England	32	Good	3.3	68
Nottingham	England	32	Good	3.6	65
Wolverhampton	England	32	Good	3.1	69
Luton	England	32	Good	4.5	64
Dudley	England	32	Good	3.1	69
Walsall	England	32	Good	3.1	69
Mansfield	England	32	Good	3.6	65
Peterborough	England	32	Good	4	64
Cambridge	England	32	Good	4	64
Norwich	England	32	Good	3.4	66
Stockport	England	32	Good	3.8	66
Gloucester, England	England	32	Good	4.2	66
Salford	England	32	Good	3.8	66
Bedford	England	32	Good	3.7	65
Lincoln, England	England	32	Good	3.7	65
West Bromwich	England	32	Good	3.1	69
Worcester, England	England	32	Good	3.8	67
Ashford	England	32	Good	4.7	64
Kettering	England	32	Good	3.6	64
Braintree	England	32	Good	4	59
King's Lynn	England	32	Good	4	61
Boston, England	England	32	Good	3.4	61
Southend-on-Sea	England	31	Good	5	61
Enfield Town	England	31	Good	5.2	58
Edmonton, England	England	31	Good	5.2	58
March	England	31	Good	3.9	63
Dagenham	England	30	Good	5.5	59
Grays	England	30	Good	5.5	59
Brentwood, England	England	30	Good	5.5	59
London	England	29	Good	5.7	56
Islington	England	29	Good	5.7	56
City of Westminster	England	29	Good	5.7	56
Barking	England	29	Good	5.7	56
Croydon	England	29	Good	5.7	56
Ilford	England	29	Good	5.7	56
Harrow	England	29	Good	5.7	56
Tottenham	England	29	Good	5.7	56
Walthamstow	England	29	Good	5.7	56
Richmond, England	England	29	Good	5.7	56

What the US AQI numbers mean

US AQI	Category	What it means
0-50	Good	Air quality is satisfactory and poses little or no risk; a good time for outdoor activity.
51-100	Moderate	Acceptable for most people. Unusually sensitive people should consider shortening long or heavy exertion outdoors.
101-150	Unhealthy for Sensitive Groups	People with heart or lung disease, older adults, children and teens should cut back on prolonged or heavy exertion outdoors.
151-200	Unhealthy	Everyone should reduce prolonged or heavy exertion outdoors; sensitive groups should avoid it and keep windows closed.
201-300	Very Unhealthy	Health alert: everyone should avoid prolonged or heavy exertion outdoors, and sensitive groups should stay indoors.
301-500	Hazardous	Emergency conditions: everyone should avoid all outdoor physical activity and stay indoors with filtered air if possible. The scale tops out at 500; heavier dust or smoke is shown as 500.

Modelled by CAMS (Copernicus) via Open-Meteo, refreshed twice a day; read hour by hour from the forecast.

Data: Open-Meteo Air Quality API, Copernicus Atmosphere Monitoring Service (CAMS).

Air quality in United Kingdom today

Air quality in United Kingdom today

United Kingdom cities by AQI (most polluted first)

What the US AQI numbers mean

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