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:
Current Conditions
Air Quality Index (AQI)
observed at 16:00 EDT
51
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
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 51 Moderate
Particles (PM2.5) 41 Good
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
49
Good
Health Message: None
Air Quality Index (AQI)
64
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Ozone
49
Good
Particles (PM2.5)
33
Good
Ozone
64
Moderate
Particles (PM2.5)
50
Good
Forecast Discussion: Thursday, September 19: An upper-level ridge of high pressure will strengthen over Ohio, inhibiting vertical mixing. Furthermore, warm temperatures and mostly sunny skies will enhance ozone formation. However, moderate southeasterly winds will disperse pollutants, leading to high-Good AQI levels. Friday, September 20 and Saturday, September 21: The upper-level ridge of high pressure will remain over Ohio, reducing vertical mixing in the atmosphere. In addition, partly to mostly sunny skies and temperatures in the mid- to upper-80s will support ozone formation, and south-southwesterly winds will transport regional pollutants into the Columbus area. As a result, AQI levels will be Moderate on both days. Sunday, as a cold front approaches from the west, breezy southwesterly winds will help disperse pollutants, and increasing clouds will reduce ozone formation. As a result, AQI levels will be high-Good. Monday, the cold front will move through Ohio, increasing vertical mixing in the atmosphere and generating breezy winds at the surface. These conditions will effectively disperse pollutants, yielding Good AQI levels. Tuesday, increasing sunshine will enhance ozone formation in the Columbus region. However, light northwesterly winds will gradually bring clean air into the area, keeping AQI levels Good.
Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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