SmogRank / World / United Kingdom / England / September 2024

Most polluted cities in England, United Kingdom, September 2024

49 cities in England, United Kingdom ranked by their average PM2.5 over the 30 days. Worst: Birmingham at 10.3 µg/m³, #382 of 1,964 cities in the world. Cleanest: Newton Abbot at 4.4. A city needs measurements on 70% of the days to be ranked.

Ranked by unhealthy days: the share of each city's measured days with a daily mean over 35.4 µg/m³ (US AQI 101+), Unhealthy for Sensitive Groups or worse on the US EPA's scale. Ties go to the higher average.

← Birmingham 0% 0.75%0

Every city in England, United Kingdom ranked for September 2024, one column each, ranked by unhealthy days: height is the share of its measured days that were unhealthy, colour its average. Point at it to read a city; tap to open it.

1Birminghamlow-cost sensors
0%
2Burwell
0%
3Manchester
0%
3Kingston upon Hull
0%
5Canterbury
0%
6Sheffield
0%
7Leeds
0%
8Sheringham
0%
8London
0%
8Royal Leamington Spa
0%
8Hoo
0%
8Halesworth
0%
8Chesterfield
0%
14Norwich
0%
15Brightlingsea
0%
15Barnsley
0%
17Newcastle upon Tyne
0%
18Grays
0%
19Liverpool
0%
20Stoke-on-Trent
0%
20Dartford
0%
20Bexley
0%
23Wigan
0%
23Hayes
0%
25Reading
0%
26Plymouth
0%
26Cheadle Hulme
0%
28York
0%
28Irlam
0%
28Gillingham
0%
31Preston
0%
32Middlesbrough
0%
32Bristol
0%
34Southampton
0%
34Andover
0%
36Street
0%
36High Peak
0%
38Storrington
0%
38Sandy
0%
38Oxford
0%
41Honiton
0%
42Seaford
0%
42Barnstaple
0%
44Speke
0%
45Dagenham
0%
46Pickering
0%
47Warrington
0%
48Saltash
0%
49Newton Abbot
0%

Low-cost sensors: consumer units, counted only in cities with no government-grade monitor; they read close to reference monitors on the whole, but 15 to 25% high in humid air. How we use them.

Good0–50

Moderate51–100

Sensitive groups101–150

Unhealthy151–200

Very unhealthy201–300

Hazardous301+

The US EPA's Air Quality Index for PM2.5 (2024 breakpoints). Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales

All cities in the world, September 2024 · All cities in United Kingdom, September 2024 · England now

Use this board

SmogRank, most polluted cities in England, United Kingdom, PM2.5, September 2024, smogrank.com/gb/region/england/history/2024-09 (accessed 6 Oct 2026).

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You're welcome to reuse a single chart, image or figure with this citation and a link. Terms. Raw monitor readings in bulk are published by OpenAQ, under each provider's licence.