SmogRank / Countries / Philippines / 2025

Most polluted cities in Philippines, 2025

2 cities in Philippines ranked by their average PM2.5 over the 365 days; 2 above the WHO annual guideline (5.0 µg/m³). Worst: Quezon City at 24.1 µg/m³, #136 of 2,131 cities in the world. Cleanest: Iloilo at 18.6. A city needs measurements on 70% of the days to be ranked.

  1. 1Quezon Citylow-cost sensorsNational Capital Region
    24.14.8×
  2. 2Iloilolow-cost sensorsWestern Visayas
    18.63.7×
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+

All cities in the world, 2025 · Philippines now