Air Quality in Marshalltown, United States

Windy
11.9°C · 76.8% humidity
11.9°
Feels 11.9°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
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View AQI history for Marshalltown →

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

76.8%
Humidity
44.9 km/h
Wind E
1021.3 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.5 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Marshalltown?

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 Marshalltown?

10-21
21.8° 9.8°
10-22
14.5° 7.3°
10-23
11.6° 6.9°
0.25 mm
10-24
21.7° 10.5°
0.06 mm
10-25
12.6° 1.4°
0.38 mm
10-26
19.6° 1.5°
0.31 mm
10-27
10.5° -1.7°
Both models agree Avg diff: 5.7°C

What cities are near Marshalltown?

27 Ames 27 Altoona 34 Cedar Falls 34 Waterloo 27 Ankeny 27 Des Moines 27 Johnston 27 Urbandale 27 Clive 27 West Des Moines
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-21T00:34 UTC.