SmogRank / Countries / Reunion
Most polluted cities in Reunion
1 measured city ranked by PM2.5, this year. Worst: Saint-Denis at 3.7 µg/m³, #2146 in the world.
| # | City | µg/m³ | |
|---|---|---|---|
| 1 | Saint-Denis Reunion | 3.7 |
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data
Estimated: cities without a monitor
Reunion cities we can't measure, with model estimates for the last 7 days. Listed by population, not ranked: estimates aren't precise enough to rank. Model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), adjusted to measured cities nearby where there are any. Adjusted, a single day lands within ×1.5 of what a monitor would read about two times in three; unadjusted, it can be off by half or double. Treat them as a guide, not a measurement.
| City | 7-day estimate |
|---|---|
| Saint-Pierre estimated | ≈ 7 µg/m³ |
| Le Tampon estimated | ≈ 7 µg/m³ |
| Saint-André estimated | ≈ 9 µg/m³ |
| Saint-Louis estimated | ≈ 7 µg/m³ |
| Saint-Benoît estimated | ≈ 7 µg/m³ |
| La Possession estimated | ≈ 9 µg/m³ |
| Saint-Leu estimated | ≈ 7 µg/m³ |
| Sainte-Marie estimated | ≈ 9 µg/m³ |
| Le Port estimated | ≈ 9 µg/m³ |
| Piton Saint-Leu estimated | ≈ 7 µg/m³ |
| Sainte-Suzanne estimated | ≈ 9 µg/m³ |
Updated 2026-10-01 14:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.