Air Quality in Saint-Louis, Senegal

Windy
28.8°C · 75.2% humidity
28.8°
Feels 34.5°
213
Very unhealthy
Everyone should avoid outdoor exertion.
Model forecast

Nearby Monitoring Stations

AQI Forecast
161 6am
161
161
213 9am
198
188
165 12pm
98
94
90 3pm
88
87
86 6pm
85
84
67 9pm
67
66
54 12am
66
66
54 3am
54
54
AD 728×90

Saint-Louis's air quality is influenced by vehicle emissions, biomass burning, dust, and industrial activity. Dry seasons and Harmattan winds can significantly elevate particulate pollution levels. Current PM2.5 concentration in Saint-Louis is 10.8× the WHO 24-hour guideline of 15 µg/m³.

75.2%
Humidity
56.4 km/h
Wind WNW
1014.0 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
213
162.48 µg/m³
PM10
362
479.95 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5162.48 µg/m³ ×10.8 WHO
Very unhealthy
PM10479.95 µg/m³
Hazardous
UV INDEX4.4
Moderate
AD 300×250
09-05
28.8° 24.9°
9.62 mm
09-06
28.9° 27.2°
09-07
29.0° 27.1°
0.25 mm
09-08
28.6° 27.1°
09-09
28.9° 28.0°
09-10
29.4° 27.3°
09-11
29.1° 27.6°
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T09:40 UTC.