SmogRank / World / Philippines / July 2025
Most polluted cities in Philippines, July 2025
2 cities in Philippines ranked by their average PM2.5 over the 31 days. Worst: Quezon City at 18.4 µg/m³, #223 of 2,499 cities in the world. Cleanest: Iloilo at 17.8. A city needs measurements on 70% of the days to be ranked.
- 1Quezon Citylow-cost sensorsNational Capital Region 18.4
- 2Iloilolow-cost sensorsWestern Visayas 17.8
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+
PM2.5 in µg/m³, coloured by the US EPA's PM2.5 categories. Show values as: µg/m³ · US AQI · India AQI · China AQI · European AQI · UK DAQI · Canada AQHI+. About the scales
All cities in the world, July 2025 · Philippines now
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SmogRank, most polluted cities in Philippines, PM2.5, July 2025, smogrank.com/ph/history/2025-07 (accessed 2 Oct 2026).
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