What is the air quality in Guaíba today?

The current Air Quality Index (AQI) in Guaíba is 18 (Good). PM2.5 concentration is 4.28 µg/m³.

What is the temperature in Guaíba right now?

The current temperature in Guaíba is 15.1°C (feels like 15.1°C). Humidity is 95.9% and wind speed is 40.5 km/h.

Is it safe to go outside in Guaíba?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Guaíba, Brazil

Rain

15.1°C · 95.9% humidity

15.1°

Feels 15.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

24 2pm

18 5pm

23 8pm

24 11pm

25 2am

25 5am

25 8am

25 11am

Air Quality Index Trend

48h · 4 stn

View full history →

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

95.9%

Humidity

40.5 km/h

Wind W

1016.7 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.28 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Guaíba?

Temperature & Precipitation

PM2.5 Trend

48h · 4 stations

PM2.54.28 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Guaíba?

07-21

18.8° 11.9°

18.38 mm

07-22

26.1° 10.7°

9.37 mm

07-23

20.4° 13.4°

07-24

19.8° 16.0°

0.13 mm

07-25

28.4° 9.4°

07-26

17.4° 11.6°

8.75 mm

07-27

17.2° 10.5°

4.31 mm

Both models agree Avg diff: 4.1°C

Where are air quality stations near Guaíba?

brazil-porto-alegre-rua-doutor-salvador-frança

15.9 km PM2.5: 2.1 µg/m³ PM10: 2.7 µg/m³

What cities are near Guaíba?

19 Porto Alegre 20 Canoas 19 Alvorada 18 Eldorado do Sul 18 Cachoeirinha 18 Viamão 23 Nova Santa Rita 21 Esteio 17 Charqueadas 23 Sapucaia do Sul

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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 2026-07-21T20:02 UTC.