SmogRank / World / Reunion / August 2023
Most polluted cities in Reunion, August 2023
1 city in Reunion ranked by their average PM2.5 over the 31 days. Worst: Saint-Denis at 3.9 µg/m³, #1,614 of 1,670 cities in the world. A city needs measurements on 70% of the days to be ranked.
- 1Saint-DenisReunion 1
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, August 2023 · Reunion now
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SmogRank, most polluted cities in Reunion, PM2.5, August 2023, smogrank.com/re/history/2023-08 (accessed 2 Oct 2026).
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