Air Quality in Mason City, United States
Partly Cloudy
26.4°C · 61.8% humidity
26.4°
Feels 26.4°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
24
1pm
24
24
37
4pm
33
31
29
7pm
27
26
26
10pm
25
25
25
1am
24
24
24
4am
25
25
25
7am
24
25
27
10am
27
34
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.
61.8%
Humidity
28.1 km/h
Wind SE
1013.7 hPa
Pressure
14.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.85 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Mason City?
Temperature & Precipitation
PM2.58.85 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX14.9
Extreme
What is the 7-day forecast for Mason City?
07-21
26.4° 21.7°
24.56 mm
07-22
26.5° 18.9°
1.5 mm
07-23
22.0° 16.0°
3.62 mm
07-24
28.3° 15.2°
07-25
24.1° 16.1°
0.06 mm
07-26
24.2° 19.9°
3.13 mm
07-27
28.2° 17.4°
Both models agree
Avg diff: 4.2°C
What cities are near Mason City?
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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 2026-07-21T21:07 UTC.