SmogRank / World / China / April 2023
Most polluted cities in China, April 2023
3 cities in China ranked by their average PM2.5 over the 30 days. Worst: Beijing at 59.2 µg/m³, #9 of 1,251 cities in the world. Cleanest: Guangzhou at 33.5. A city needs measurements on 70% of the days to be ranked.
← Beijing 59.2
Low risk1–3
Moderate risk4–6
High risk7–10
Very high risk10+
Canada's AQHI+ for PM2.5 (1 point per 10 µg/m³), which is defined on hourly values. 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, April 2023 · China now
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SmogRank, most polluted cities in China, PM2.5, April 2023, smogrank.com/cn/history/2023-04 (accessed 2 Oct 2026).
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