SmogRank / Countries / Nigeria / September 2026

Most polluted cities in Nigeria, September 2026

2 cities in Nigeria ranked by their average PM2.5 over the 30 days. Worst: Ibadan at 25.9 µg/m³, #106 of 2,332 cities in the world. Cleanest: Lagos at 24.5. A city needs measurements on 70% of the days to be ranked.

  1. 1Ibadanlow-cost sensorsOyo State
    25.9
  2. 2Lagoslow-cost sensorsLagos
    24.5
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, September 2026 · Nigeria now