SmogRank / Countries / Philippines / 2026
Most polluted cities in Philippines, 2026
2 cities in Philippines ranked by their average PM2.5 so far (273 of 365 days); 2 above the WHO annual guideline (5.0 µg/m³). Worst: Quezon City at 25.3 µg/m³, #181 of 2,181 cities in the world. Cleanest: Iloilo at 24.8. A city needs measurements on 70% of the days to be ranked.
- 1Quezon Citylow-cost sensorsNational Capital Region 25.35.1×
- 2Iloilolow-cost sensorsWestern Visayas 24.85.0×
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+