Air Quality in Porto Alegre, Brazil
Cloudy
11.8°C · 77.2% humidity
11.8°
Feels 11.8°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Porto Alegre's air quality — share it
AQI Forecast
54
4am
54
54
20
7am
30
37
41
10am
45
48
49
1pm
51
32
32
4pm
53
53
65
7pm
66
66
54
10pm
54
54
54
1am
54
54
Air Quality Index Trend
48h · 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.
77.2%
Humidity
15.2 km/h
Wind NNW
1029.9 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.88 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Porto Alegre?
Temperature & Precipitation
PM2.5 Trend
48h · 5 stationsPM2.54.88 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Porto Alegre?
05-30
22.6° 11.8°
0.06 mm
05-31
17.3° 12.5°
3.69 mm
06-01
20.1° 9.1°
3.38 mm
06-02
17.3° 11.8°
0.06 mm
06-03
19.1° 13.9°
06-04
21.8° 10.9°
06-05
14.9° 11.1°
0.38 mm
Both models agree
Avg diff: 2.7°C
Where are air quality stations near Porto Alegre?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T10:44 UTC.