SmogRank / Countries / Philippines / October 2025
Most polluted cities in Philippines, October 2025
2 cities in Philippines ranked by their average PM2.5 over the 31 days. Worst: Quezon City at 31.8 µg/m³, #154 of 2,110 cities in the world. Cleanest: Iloilo at 17.9. A city needs measurements on 70% of the days to be ranked.
- 1Quezon Citylow-cost sensorsNational Capital Region 31.8
- 2Iloilolow-cost sensorsWestern Visayas 17.9
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+