Home > USA > Ohio > Preble County > Gratis
Primary air pollutant in the Gratis area:
OZONE - 46 Good
Enjoy your outdoor activities.
Other Pollutants:
PM2.5 - 29 Good
PM10 - 13 Good
Primary Pollutant: OZONE - 46 Good
Secondary Pollutant: PM2.5 - 44 Good
Primary Pollutant: OZONE - 48 Good
Secondary Pollutant: PM2.5 - 44 Good
Primary Pollutant: OZONE - 64 Moderate
Secondary Pollutant: PM2.5 - 50 Good