SmogRank / World / China / December 2023

Most polluted cities in China, December 2023

3 cities in China ranked by their average PM2.5 over the 31 days. Worst: Shenyang at 53.0 µg/m³, #26 of 1,889 cities in the world. Cleanest: Guangzhou at 34.8. A city needs measurements on 70% of the days to be ranked.

← Shenyang 53.0 µg/m³ 50 µg/m³0
Every city in China ranked for December 2023, one column each, worst on the left and cleanest on the right; height is PM2.5 in µg/m³. Point at it to read a city; tap to open it.
  1. 1ShenyangLiaoning
    53.0
  2. 2BeijingBeijing
    46.8
  3. 3GuangzhouGuangdong
    34.8
Good0–5
Fair6–15
Moderate16–50
Poor51–90
Very poor91–140
Extremely poor141+

The European Environment Agency's air quality index bands for PM2.5 (2024 revision); it has bands, not numbers, so values stay in µg/m³. 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, December 2023 · China now

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SmogRank, most polluted cities in China, PM2.5, December 2023, smogrank.com/cn/history/2023-12 (accessed 2 Oct 2026).

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