Home > USA > Ohio > Preble County > Gratis
Primary air pollutant in the Gratis area:
PM2.5 - 32 Good
Enjoy your outdoor activities.
Other Pollutants:
PM10 - 9 Good
OZONE - 31 Good
Primary Pollutant: PM2.5 - 67 Moderate
Secondary Pollutant: OZONE - 47 Good
Primary Pollutant: PM2.5 - 56 Moderate
Secondary Pollutant: OZONE - 49 Good
Primary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: OZONE - 49 Good
Primary Pollutant: PM2.5 - 50 Good
Secondary Pollutant: OZONE - 46 Good