SmogRank / Cheadle Hulme / Manchester

Cheadle Hulme vs Manchester: PM2.5 compared

Over the last year, Manchester's air was 25% more polluted than Cheadle Hulme's: PM2.5 averaged 9.4 µg/m³ against 7.5, on the 132 days both cities were measured. Manchester had the dirtier air on 130 of those days, Cheadle Hulme on 2. Manchester was over the WHO's daily guideline of 15 µg/m³ on 16 of them, Cheadle Hulme on 11.

Right now

Cheadle Hulme#629on the 24-hour board of 738, at 15 US AQI (2.7 µg/m³)
Manchester#445on the 24-hour board of 738, at 23 US AQI (4.2 µg/m³)

The last year, day by day

Cheadle Hulme
Manchester
Each city's daily mean from 8 Oct 2025 to 7 Oct 2026, one stripe a day, coloured by band. A blank stripe is a day without a daily mean.

Month by month

Cheadle Hulme, Nov 2025: 5.5 µg/m³Manchester, Nov 2025: 7.8 µg/m³Nov2025Cheadle Hulme, Dec 2025: 6.2 µg/m³Manchester, Dec 2025: 8.0 µg/m³DecCheadle Hulme, Jan 2026: 7.8 µg/m³Manchester, Jan 2026: 9.4 µg/m³Jan2026Cheadle Hulme, Feb 2026: 6.7 µg/m³Manchester, Feb 2026: 8.3 µg/m³FebCheadle Hulme, Mar 2026: 9.8 µg/m³Manchester, Mar 2026: 12.6 µg/m³MarAprMayJunJulAugSepOct
Monthly means in µg/m³ over the days both cities were measured. Solid: Cheadle Hulme. Faded: Manchester. A month shows once both share 10 such days. Dashed line: the WHO daily guideline, 15 µg/m³.

Year by year

YearCheadle HulmeManchesterDays both measuredDays Cheadle Hulme was worse
2026 so far4453792
202538472143
20243952540

Means in US AQI over the days both cities were measured that year; a year shows once they share 30 such days.

Each city's worst days

Cheadle Hulme

Manchester

Daily means in US AQI, with µg/m³ beside them, since the index stops at its top value, over the days both cities were measured in the last year. Each date opens that day's world board.

Compare either city with another

Cheadle Hulme

Side by side with London (United Kingdom's worst on 30 days), Gujranwala (the world's worst on 30 days).

Manchester

Side by side with Ashton-under-Lyne (the nearest), London (United Kingdom's worst on 30 days), Gujranwala (the world's worst on 30 days).

Use this page

SmogRank, PM2.5 daily means compared, Cheadle Hulme and Manchester, 8 Oct 2025 – 7 Oct 2026, smogrank.com/compare/gb-cheadle-hulme/gb-manchester (accessed 8 Oct 2026).

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.

The same rules as every SmogRank figure: reference monitors first, and a day counts with 18 measured hours. How we measure.

Updated 2026-10-08 20:07 UTC. Values are PM2.5 (fine particles), the median of each city's monitors, as the US AQI PM2.5 sub-index. Some readings: Uzhydromet (Uzbekistan's Hydrometeorological Service); Department of Environment, Nepal; Vietnam's government monitors; Aurassure; Umhverfisstofnun (Environment Agency of Iceland); Love My Air (City and County of Denver), no reuse terms published (why we use them).