SmogRank / World / China / October 2023

Most polluted cities in China, October 2023

3 cities in China ranked by their average PM2.5 over the 31 days. Worst: Beijing at 45.8 µg/m³, #12 of 1,686 cities in the world. Cleanest: Guangzhou at 29.7. A city needs measurements on 70% of the days to be ranked.

← Beijing 45.8
Every city in China ranked for October 2023, one column each, worst on the left and cleanest on the right. Point at it to read a city; tap to open it.
  1. 1BeijingBeijing
    45.8
  2. 2ShenyangLiaoning
    36.7
  3. 3GuangzhouGuangdong
    29.7
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, October 2023 · China now

Use this board

SmogRank, most polluted cities in China, PM2.5, October 2023, smogrank.com/cn/history/2023-10 (accessed 2 Oct 2026).

Download top 10 (PNG)

You're welcome to reuse a single chart, image or figure with this citation and a link. Terms.