The Southwest Ohio Air Quality Agency reports that "levels of ozone within the region may approach or exceed unhealthy standards." ...

After a few days of jubilant fireworks launching, Columbus' air quality is taking a hit, causing the Mid-Ohio Planning ...

Air Quality Alert issued for Saturday in central Ohio due to wildfire smoke and fireworks. Sensitive groups advised to limit ...

CUYAHOGA COUNTY, Ohio — Several Northeast Ohio counties are currently under an air quality alert through Monday, according to the National Weather Service. Anyone in the affected counties is ...

The Southwest Ohio Air Quality Agency has extended the air quality alert through Friday night. Areas covered by the alert include Butler, Clermont, Hamilton and Warren counties in Ohio; Boone ...

There is an Air Quality Alert for much of northern Ohio. The Northeast Ohio Areawide Coordinating Agency has issued a warning that ground level ozone could reach harmful levels on Tuesday in eight ...

Thursday's Air Quality Index (AQI) scale was forecasted as 101, and Friday's as 108. When levels exceed 100, air quality is considered unhealthy for sensitive groups, and MORPC issues an Air Quality ...

Sunny start to Sunday, but storms return by evening. Rain and thunderstorms likely all week. Air Quality Alert in effect ...

COLUMBUS, Ohio — An Air Quality Alert issued by the Mid-Ohio Regional Planning Commission has expired. It was issued for central Ohio on Sunday because of the wildfire smoke from Canada.

This is the second air quality alert from the Ohio EPA in three weeks, with the air quality index expected to be in the "unhealthy for sensitive groups" to "very unhealthy" ranges.

COLUMBUS, Ohio (WCMH) – The central Ohio heat wave that is expected to linger much of the week has led to an air quality alert being issued. The Mid-Ohio Regional […] ...