Columbus
 
Data and Forecasts courtesy of:
 

 
AQI: Good (0 - 50) AQI: Good (0 - 50)
Air quality is considered satisfactory, and air pollution poses little or no risk.
AQI: Moderate (51 - 100) AQI: Moderate (51 - 100)
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy for Sensitive Groups (101 - 150)
Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air.
AQI: Unhealthy (151 - 200) AQI: Unhealthy (151 - 200)
Everyone may begin to experience health effects members of sensitive groups may experience more serious health effects.
 AQI:Very Unhealthy (201 - 300) AQI: Very Unhealthy (201 - 300)
Health alert: everyone may experience more serious health effects.
AQI: Hazardous(301 - 500) AQI: Hazardous (301 - 500)
Health warnings of emergency conditions. The entire population is more likely to be affected.
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)
 
Data and Forecasts courtesy of:
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
90 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Air Quality Index (AQI)
49 
Good
Health Message: None
AQI - Pollutant Details
Ozone
90 
Moderate
Particles (PM2.5)
46 
Good
Ozone
49 
Good
Particles (PM2.5)
42 
Good
Forecast Discussion: Tuesday, July 25: An upper-level ridge of high pressure will build over Ohio, reducing mixing and producing mostly sunny skies and warm temperatures. These conditions will aid ground-level ozone formation. However, light northeasterly winds will gradually transport clean air into the Columbus region, leading to low-Moderate AQI levels. Wednesday, July 26: As the upper-level ridge persists, mostly sunny skies and temperatures in the mid-80s will enhance ozone production in the central Ohio. Furthermore, light southerly winds will reduce dispersion and gradually bring regional pollutants into the area. Therefore, AQI levels will be high-Moderate. Thursday, as a low pressure system moves into Ohio, mostly cloudy skies and rain showers will limit ozone production. Furthermore, light to moderate southerly winds will disperse pollutants, leading to Good AQI levels. Friday, moderate northerly winds will effectively disperse pollutants, keeping AQI levels Good. Saturday, increasing sunshine will aid ozone formation in central Ohio. However, light to moderate northerly winds will keep pollutants well dispersed, leading to low-Moderate AQI levels. Sunday, northerly winds will weaken, reducing pollutant dispersion. In addition, sunny and warm conditions will support ozone formation, yielding Moderate AQI levels.

Current Conditions
Air Quality Index (AQI)
observed at 0:00 EDT
24
Good
Health Message: None
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available here.
AQI - Pollutant Details
Ozone 24 Good
Particles (PM2.5) 19 Good

Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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