Most polluted cities in Singapore

2 measured cities ranked by PM2.5, last 7 days. Worst: Singapore at 63.3 µg/m³, #12 in the world.

#	City		µg/m³
1	Singapore low-cost sensors		63.3
2	Queenstown Estate low-cost sensors		57.1

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.