Air Quality in São Luís, Brazil
Drizzle
30.2°C · 56.7% humidity
30.2°
Feels 34.2°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
São Luís's air quality — share it
AQI Forecast
27
9am
27
27
27
12pm
34
34
34
3pm
34
34
27
6pm
27
27
27
9pm
54
34
34
12am
34
34
27
3am
27
27
27
6am
27
27
São Luís's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
56.7%
Humidity
68.7 km/h
Wind NE
1011.2 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.5 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for São Luís?
Temperature & Precipitation
PM2.56.5 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
What is the 7-day forecast for São Luís?
09-05
30.2° 25.8°
0.75 mm
09-06
32.0° 25.6°
0.19 mm
09-07
30.6° 25.2°
2.12 mm
09-08
30.9° 25.9°
0.38 mm
09-09
32.8° 25.5°
09-10
29.7° 25.3°
0.38 mm
09-11
29.9° 25.1°
Both models agree
Avg diff: 1.6°C
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T15:53 UTC.