SmogRank / World / United Kingdom / Scotland / September 2023

Most polluted cities in Scotland, United Kingdom, September 2023

2 cities in Scotland, United Kingdom ranked by their average PM2.5 over the 30 days. Worst: Glasgow at 5.7 µg/m³, #1,819 of 2,128 cities in the world. Cleanest: Grangemouth at 4.5. A city needs measurements on 70% of the days to be ranked.

  1. 1Glasgow
    32
  2. 2Grangemouth
    25
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 2023 · All cities in United Kingdom, September 2023 · Scotland now

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SmogRank, most polluted cities in Scotland, United Kingdom, PM2.5, September 2023, smogrank.com/gb/region/scotland/history/2023-09 (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.