Home > USA > Iowa > Marshall County > Marshalltown
Primary air pollutant in the Marshalltown area:
PM2.5 - 42 Good
Enjoy your outdoor activities.
Primary Pollutant: PM2.5 - 52 Moderate
Secondary Pollutant: OZONE - 29 Good
Primary Pollutant: PM2.5 - 56 Moderate
Secondary Pollutant: OZONE - 32 Good