SmogRank / Countries / Senegal / 2026

Most polluted cities in Senegal, 2026

3 cities in Senegal ranked by their average PM2.5 so far (273 of 365 days); 3 above the WHO annual guideline (5.0 µg/m³). Worst: Ziguinchor at 14.6 µg/m³, #345 of 2,181 cities in the world. Cleanest: Thiès at 8.1. A city needs measurements on 70% of the days to be ranked.

  1. 1Ziguinchorlow-cost sensorsZiguinchor
    14.62.9×
  2. 2Dakarlow-cost sensorsDakar
    13.12.6×
  3. 3Thièslow-cost sensorsThies
    8.11.6×
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 · Senegal now