What is the air quality in Porto Alegre today?

The current Air Quality Index (AQI) in Porto Alegre is 38 (Good). PM2.5 concentration is 9.0 µg/m³.

What is the temperature in Porto Alegre right now?

The current temperature in Porto Alegre is 14.8°C (feels like 14.8°C). Humidity is 84.7% and wind speed is 64.6 km/h.

Is it safe to go outside in Porto Alegre?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Porto Alegre, Brazil

Windy

14.8°C · 84.7% humidity

14.8°

Feels 14.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 9 stn

View full history →

Porto Alegre's air quality is influenced by vehicle emissions, industrial activity, and seasonal agricultural burning. Pollution patterns vary with dry and wet seasons.

84.7%

Humidity

64.6 km/h

Wind ESE

1025.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.0 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Porto Alegre?

Temperature & Precipitation

PM2.5 Trend

45h · 9 stations

PM2.59.0 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Porto Alegre?

10-21

22.9° 14.9°

1.69 mm

10-22

19.7° 12.9°

4.69 mm

10-23

27.9° 14.8°

10-24

19.4° 16.3°

30.06 mm

10-25

18.7° 11.7°

2.0 mm

10-26

20.9° 12.3°

1.25 mm

10-27

26.6° 15.5°

0.25 mm

Both models agree Avg diff: 2.9°C

What cities are near Porto Alegre?

36 Guaíba 40 Canoas 36 Alvorada 37 Cachoeirinha 40 Esteio 42 Nova Santa Rita 36 Viamão 35 Gravataí 43 Sapucaia do Sul 29 São Leopoldo

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ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

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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 2026-10-21T23:32 UTC.