Home > USA > Iowa > Pottawattamie County > Walnut
Primary air pollutant in the Walnut area:
PM2.5 - 23 Good
Enjoy your outdoor activities.
Other Pollutants:
OZONE - 6 Good
Primary Pollutant: OZONE - 39 Good
Secondary Pollutant: PM2.5 - 31 Good
Primary Pollutant: OZONE - 32 Good
Secondary Pollutant: PM2.5 - 22 Good