What is the air quality in Mason City today?

The current Air Quality Index (AQI) in Mason City is 27 (Good). PM2.5 concentration is 6.5 µg/m³.

What is the temperature in Mason City right now?

The current temperature in Mason City is 11.5°C (feels like 11.5°C). Humidity is 68.7% and wind speed is 45.5 km/h.

Is it safe to go outside in Mason City?

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

Air Quality in Mason City, United States

Windy

11.5°C · 68.7% humidity

11.5°

Feels 11.5°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

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View AQI history for Mason City →

Mason City's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

68.7%

Humidity

45.5 km/h

Wind ESE

1021.8 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.5 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Mason City?

Temperature & Precipitation

PM2.56.5 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Mason City?

10-20

11.4° 1.9°

10-21

23.4° 9.9°

0.06 mm

10-22

13.1° 6.1°

10-23

10.4° 4.2°

10-24

21.9° 9.3°

10-25

12.2° 0.8°

10-26

18.6° -0.6°

0.06 mm

Both models agree Avg diff: 5.5°C

What cities are near Mason City?

33 Albert Lea 33 Austin 27 Cedar Falls 27 Waterloo 27 Owatonna 27 Fort Dodge 35 Rochester 27 Marshalltown 26 Faribault 27 Ames

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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-20T21:47 UTC.