Home > USA > Iowa > Pottawattamie County > Walnut
Primary air pollutant in the Walnut area:
PM2.5 - 43 Good
Enjoy your outdoor activities.
Other Pollutants:
OZONE - 20 Good
Primary Pollutant: PM2.5 - 37 Good
Secondary Pollutant: OZONE - 37 Good
Primary Pollutant: PM2.5 - 31 Good
Secondary Pollutant: OZONE - 30 Good