SmogRank / World / Reunion / July 2023

Most polluted cities in Reunion, July 2023

3 cities in Reunion ranked by their average PM2.5 over the 31 days. Worst: Saint-Denis at 4.6 µg/m³, #985 of 1,103 cities in the world. Cleanest: Saint-Joseph at 4.2. A city needs measurements on 70% of the days to be ranked.

← Saint-Denis 4.6
Every city in Reunion ranked for July 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. 1Saint-DenisReunion
    4.6
  2. 2Saint-PaulReunion
    4.3
  3. 3Saint-JosephReunion
    4.2
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, July 2023 · Reunion now

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SmogRank, most polluted cities in Reunion, PM2.5, July 2023, smogrank.com/re/history/2023-07 (accessed 2 Oct 2026).

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