Ohio
 
Data courtesy of:
 

AQI Forecast - http://www.epa.gov/airnow/today/forecast_aqi_20150130_mi_in_oh.jpg
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
 - http://www.epa.gov/airnow/today/cur_aqi_mi_in_oh.jpg
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
AQI Animation - http://www.epa.gov/airnow/today/anim_aqi_mi_in_oh.gif
 
Legend: National Parks/Monuments National Parks/Monuments     Legend: Tribal Boundaries Tribal Boundaries
The tribal boundaries shown here are provided by the Bureau of Indian Affairs and are intended to be used as a general spatial reference only. They are not a formal determination of tribal boundaries by the EPA.
 
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
 
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)
Click on the city name for more detailed information.

printable summary
FORECAST CURRENT
AQI
Fri
Jan 30
Sat
Jan 31
Canton/Massillon
24 
23 
17 
Cincinnati
45 
50 
57 
Cleveland-Akron-Lorain
Good
Good
30 
Columbus
29 
50 
21 
Dayton
42 
57 
29 
Lima
aqi not available
aqi not available
Toledo
aqi not available
aqi not available
17 
Youngstown
29 
50 
20