SmogRank / Countries / French Guiana / Guyane

Most polluted cities in Guyane, French Guiana

2 measured cities ranked by PM2.5, last 7 days. Worst: Cayenne at 6.1 µg/m³, #1491 in the world.

#City µg/m³
1Cayenne Guyane
6.1
2Kourou Guyane
4.4
Good 0–9.0Moderate 9.1+Unhealthy for sensitive groups 35.5+Unhealthy 55.5+Very unhealthy 125.5+Hazardous 225.5+No data

Updated 2026-10-01 04:07 UTC. Values are PM2.5 in µg/m³ (fine particles), the median of each city's monitors.