What is the air quality in Marshalltown today?

The current Air Quality Index (AQI) in Marshalltown is 28 (Good). PM2.5 concentration is 6.58 µg/m³.

What is the temperature in Marshalltown right now?

The current temperature in Marshalltown is 23.7°C (feels like 23.7°C). Humidity is 48.4% and wind speed is 16.7 km/h.

Is it safe to go outside in Marshalltown?

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

Air Quality in Marshalltown, United States

Clear

23.7°C · 48.4% humidity

23.7°

Feels 23.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

24 6pm

28 9pm

24 12am

25 3am

25 6am

25 9am

24 12pm

24 3pm

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.

48.4%

Humidity

16.7 km/h

Wind NNW

1011.3 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.58 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Marshalltown?

Temperature & Precipitation

PM2.56.58 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

What is the 7-day forecast for Marshalltown?

06-09

29.8° 14.7°

06-10

24.9° 17.3°

13.19 mm

06-11

28.8° 20.0°

06-12

27.3° 20.7°

2.19 mm

06-13

26.9° 22.6°

0.25 mm

06-14

29.6° 13.2°

0.94 mm

06-15

27.9° 23.5°

1.25 mm

Both models agree Avg diff: 5.7°C

What cities are near Marshalltown?

28 Ames 25 Altoona 29 Cedar Falls 26 Waterloo 25 Ankeny 25 Des Moines 25 Johnston 25 Urbandale 25 Clive 25 West Des Moines

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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 2026-06-09T02:11 UTC.