Air Quality in Porto Alegre, Brazil
Clear
31.8°C · 43.8% humidity
31.8°
Feels 34.6°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Porto Alegre's air quality — share it
AQI Forecast
Calibrated
8
6pm
8
8
12
9pm
10
10
17
12am
17
37
37
3am
37
17
17
6am
10
10
10
9am
17
10
10
12pm
10
10
10
3pm
10
8
Station readings
7
Air Quality Index Trend
45h · 5 stnPorto Alegre's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.
43.8%
Humidity
35.8 km/h
Wind NNW
1008.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
3.0 µg/m³
PM10▲
13.7 µg/m³
050100150200300500
What is the weather forecast for Porto Alegre?
Temperature & Precipitation
PM2.5 Trend
45h · 5 stationsPM2.53.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Porto Alegre?
08-03
31.8° 10.8°
7.06 mm
08-04
15.8° 12.7°
1.5 mm
08-05
18.3° 13.0°
5.94 mm
08-06
24.6° 8.9°
0.81 mm
08-07
18.2° 14.9°
5.88 mm
08-08
16.3° 12.6°
17.31 mm
08-09
23.8° 11.7°
2.81 mm
Both models agree
Avg diff: 3.9°C
What cities are near Porto Alegre?
Get AQI alerts for Porto Alegre
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T00:00 UTC.