Air Quality in Mason City, United States
Windy
14.6°C · 60.0% humidity
14.6°
Feels 14.6°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
24
7pm
24
24
17
10pm
19
20
22
1am
23
24
24
4am
26
27
27
7am
27
25
24
10am
24
24
24
1pm
24
24
24
4pm
24
24
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.
60.0%
Humidity
44.4 km/h
Wind SE
1011.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.05 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Mason City?
Temperature & Precipitation
PM2.54.05 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Mason City?
06-09
29.8° 14.6°
06-10
22.0° 15.3°
5.19 mm
06-11
29.2° 20.4°
06-12
26.6° 15.1°
0.06 mm
06-13
27.5° 18.7°
13.25 mm
06-14
27.1° 15.8°
3.31 mm
06-15
29.0° 22.0°
0.19 mm
Both models agree
Avg diff: 6.3°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 2026-06-09T03:51 UTC.