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.

  1. 1Quezon Citylow-cost sensorsNational Capital Region
    2
  2. 2Iloilolow-cost sensorsWestern Visayas
    2
Low risk1–3
Moderate risk4–6
High risk7–10
Very high risk10+

Canada's AQHI+ for PM2.5 (1 point per 10 µg/m³), which is defined on hourly values. 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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