SmogRank / Countries / Ghana / 2026

Most polluted cities in Ghana, 2026

2 cities in Ghana ranked by their average PM2.5 so far (273 of 365 days); 2 above the WHO annual guideline (5.0 µg/m³). Worst: Ashaiman at 29.9 µg/m³, #134 of 2,181 cities in the world. Cleanest: Tema at 25.5. A city needs measurements on 70% of the days to be ranked.

  1. 1Ashaimanlow-cost sensorsGreater Accra
    29.96.0×
  2. 2Temalow-cost sensorsGreater Accra
    25.55.1×
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, 2026 · Ghana now