SmogRank / World / Cambodia / July 2026
Most polluted cities in Cambodia, July 2026
1 city in Cambodia ranked by their average PM2.5 over the 31 days. Worst: Chrang Chamreh Muoy at 11.2 µg/m³, #1,053 of 2,460 cities in the world. A city needs measurements on 70% of the days to be ranked.
- 1Chrang Chamreh Muoylow-cost sensorsPhnom Penh 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, July 2026 · Cambodia now
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SmogRank, most polluted cities in Cambodia, PM2.5, July 2026, smogrank.com/kh/history/2026-07 (accessed 2 Oct 2026).
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