SmogRank / Countries / Ghana / September 2026

Most polluted cities in Ghana, September 2026

4 cities in Ghana ranked by their average PM2.5 over the 30 days. Worst: Ashaiman at 20.0 µg/m³, #169 of 2,332 cities in the world. Cleanest: Adenta at 15.0. A city needs measurements on 70% of the days to be ranked.

  1. 1Ashaimanlow-cost sensorsGreater Accra
    20.0
  2. 2Temalow-cost sensorsGreater Accra
    16.9
  3. 3Accralow-cost sensorsGreater Accra
    15.0
  4. 3Adentalow-cost sensorsGreater Accra
    15.0
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 · Ghana now