SmogRank / World / Turkey / 2025

Most polluted cities in Turkey, 2025

1 city in Turkey ranked by their average PM2.5 over the 365 days; 1 above the WHO annual guideline (5.0 µg/m³). Worst: Istanbul at 30.3 µg/m³, #119 of 2,122 cities in the world. A city needs measurements on 70% of the days to be ranked.

  1. 1Istanbullow-cost sensorsIstanbul
    30.36.1×
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 · Turkey now

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SmogRank, most polluted cities in Turkey, PM2.5, 2025, smogrank.com/tr/history/2025 (accessed 2 Oct 2026).

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