What is the air quality in São Marcos today?

The current Air Quality Index (AQI) in São Marcos is 14 (Good). PM2.5 concentration is 3.42 µg/m³.

What is the temperature in São Marcos right now?

The current temperature in São Marcos is 10.7°C (feels like 10.7°C). Humidity is 99.3% and wind speed is 21.4 km/h.

Is it safe to go outside in São Marcos?

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

Air Quality in São Marcos, Brazil

Heavy Rain

10.7°C · 99.3% humidity

10.7°

Feels 10.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

24 4pm

14 7pm

21 10pm

23 1am

24 4am

24 7am

24 10am

24 1pm

View AQI history for São Marcos →

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

99.3%

Humidity

21.4 km/h

Wind WNW

1019.8 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

3.42 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for São Marcos?

Temperature & Precipitation

PM2.53.42 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for São Marcos?

07-21

15.4° 8.8°

50.06 mm

07-22

25.9° 7.2°

24.56 mm

07-23

17.4° 9.0°

0.06 mm

07-24

21.5° 14.6°

07-25

20.9° 4.7°

07-26

14.9° 8.5°

9.81 mm

07-27

12.5° 6.3°

1.94 mm

Both models agree Avg diff: 5.5°C

What cities are near São Marcos?

15 Flores da Cunha 16 Caxias do Sul 16 Farroupilha 16 Nova Petrópolis 15 Veranópolis 16 Bento Gonçalves 16 Canela 14 Vacaria 16 Garibaldi 16 Carlos Barbosa

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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 2026-07-21T22:19 UTC.