SmogRank / Countries / Turkey / September 2026
Most polluted cities in Turkey, September 2026
1 city in Turkey ranked by their average PM2.5 over the 30 days. Worst: Istanbul at 24.0 µg/m³, #124 of 2,332 cities in the world. A city needs measurements on 70% of the days to be ranked.
- 1Istanbullow-cost sensorsIstanbul 24.0
Good0–9.0
Moderate9.1–35.4
Sensitive groups35.5–55.4
Unhealthy55.5–125.4
Very unhealthy125.5–225.4
Hazardous225.5+