Data courtesy of:

AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action DayAction Day
Local Air Quality Resources
Forecast | MORPC's Air Quality Program | Today's AQI Data
State Air Quality Resources
American Lung Association (ALA) of Ohio
Ohio EPA - Division of Air Pollution Control (DAPC)
Ohio EPA - For More Information
Ohio EPA's AIROHIO web site
Ohio Environmental Protection Agency (EPA) is undergoing maintenance. Updates for the forecasts and current conditions are not available between midnight and 4 am EST.

Air Quality Forecast
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Air Quality Index (AQI)
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
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AQI - Pollutant Details
Particles (PM2.5)
Data Not Available
Forecast Discussion: Saturday, August 1: Moderate northwesterly winds will disperse pollutants in Columbus, yielding Good AQI levels. Sunday, August 2: Moderate southwesterly winds will develop ahead of an approaching cold front, transporting pollutants into the Columbus region. In addition, warm, sunny conditions will enhance ozone formation. As a result, AQI levels will be low-Moderate. Monday, as the cold front passes through Ohio, moderate winds shifting from southwesterly to northwesterly will bring a cleaner air mass into the Columbus area. Furthermore, cloudy skies and thunderstorms will inhibit ozone production, resulting in Good AQI levels. Tuesday and Wednesday, lighter winds will reduce pollutant dispersion; however, partly cloudy skies will limit ozone formation, and low pollutant carryover from the previous days will keep AQI levels Good on both days. Thursday, northeasterly winds will develop ahead of an approaching low-pressure system, transporting a cleaner air mass into the Columbus region and keeping AQI levels Good.

Current Conditions
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