Air Quality in Saint-Louis, Senegal
Windy
20.8°C · 88.9% humidity
20.8°
Feels 20.8°
114
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Saint-Louis's air quality — share it
AQI Forecast
146
9pm
146
146
114
12am
123
130
134
3am
138
140
142
6am
143
144
144
9am
145
145
145
12pm
146
146
146
3pm
146
161
161
6pm
161
161
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 2.7× the WHO 24-hour guideline of 15 µg/m³.
88.9%
Humidity
65.8 km/h
Wind NW
1014.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
40.85 µg/m³
PM10▲
204.9 µg/m³
050100150200300500
What is the weather forecast for Saint-Louis?
Temperature & Precipitation
PM2.540.85 µg/m³
×2.7 WHO
Unhealthy for sensitive groups
PM10204.9 µg/m³
Unhealthy for sensitive groups
UV INDEX0.7
Low
What is the 7-day forecast for Saint-Louis?
05-31
23.0° 20.5°
06-01
22.3° 21.0°
06-02
23.0° 21.6°
06-03
24.7° 20.5°
06-04
22.4° 20.4°
06-05
22.5° 21.6°
06-06
23.5° 20.1°
Both models agree
Avg diff: 3.3°C
What cities are near Saint-Louis?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-31T00:38 UTC.