Air Quality

Ken Apacki, of Granville, is starting with 24 monitors that will establish a baseline for the air quality before Intel's chip plant and other manufacturers come online.

To reduce the potential for health issues, people with health concerns are encouraged to limit their outdoor activity.

The air quality alert comes as much of the Ohio Valley is under a heat dome with temperatures hovering in the mid-90s.

Thick haze from Canadian wildfires has reduced visibility across much of Ohio. And it could also pose a health risk.

An Air Quality Alert from the Mid-Ohio Regional Planning Commission says Delaware, Fairfield, Franklin and Licking counties have a score of 164 on the Air Quality Index.

State health officials recommend limiting outdoor activity and closing windows, especially if you have any preexisting medical conditions.

From particulate matter to the AQI, here's what you need to know to protect yourself as the smoky haze settles over much of the East Coast.

The National Weather Service said air quality has "plummeted" across the Northeast. A disaster preparedness expert says people should take the warnings seriously.

High ground-level ozone levels typically put active children, the elderly and people with asthma and COPD at risk to suffer from symptoms.

A new international air quality monitoring report is making some big claims about pollutants in Columbus.