A regional air quality alert was issued for much of Southern California as harmful levels of fine particle pollution spread ...

Smoke from Saskatchewan wildfires is causing poor air quality in many south-central areas of the province, while conditions would also be favourable for the development of funnel clouds in some parts.

Part of Northeast Ohio, including Medina, Portage and Summit counties, are under an air quality advisory until midnight.

On Saturday at 3:45 p.m. an air quality alert was reported by the National Weather Service in effect until Monday at midnight ...

Although there is not yet enough data to document chronic exposure, readings taken in South County indicate cause for concern ...

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

The Michigan Department of Environment, Great Lakes and Energy issued an air quality advisory Friday night effective through ...

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

There is an air quality advisory for Saturday due to wildfire smoke in parts of Ontario. Environment Canada says wildfire ...

The Mid-Ohio Regional Planning Commission has issued an Air Quality Alert for several central Ohio counties until midnight on ...

MIchigan's air quality will be unhealthy for some groups Saturday. Check the air quality index map to see if it's good or bad ...