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

The alert will remain go into effect starting at midnight on Saturday, June 21, through Monday, June 23, for counties in Ohio ...

An air quality alert is in effect for all of Minnesota from Saturday through 9 a.m. Monday because of Canadian wildfire smoke.

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 ...

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

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 ...

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.

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 ...

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 ...

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.