SmogRank / Countries / Senegal / January 2026
Most polluted cities in Senegal, January 2026
2 cities in Senegal ranked by their average PM2.5 over the 31 days. Worst: Ziguinchor at 31.3 µg/m³, #121 of 2,047 cities in the world. Cleanest: Thiès at 8.0. A city needs measurements on 70% of the days to be ranked.
- 1Ziguinchorlow-cost sensorsZiguinchor 31.3
- 2Thièslow-cost sensorsThies 8.0
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, January 2026 · Senegal now
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SmogRank, most polluted cities in Senegal, PM2.5, January 2026, smogrank.com/sn/history/2026-01 (accessed 2 Oct 2026).
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