Multiple U.S. states and Canadian provinces are experiencing poor air quality from wildfire smoke. Here's where.

Sensitive groups are advised to stay indoors and limit outdoor activities as pollution and ozone levels spike to unhealthy ...

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

The EPA's Air Quality Index can tell you whether breathing outside air can be harmful. Here's how to read the scale to plan ...

Weekend wildfire smoke produced some of the worst air pollution ever recorded in MN originally appeared on Bring Me The News.

The Chicago area recorded ozone levels of 156 late Monday afternoon. Levels above 100 are considered unhealthy. Residents ...

Milwaukee, Ozaukee, Racine, Kenosha and Sheboygan are all under a poor air quality alert from noon to 11 p.m., according to ...

The extended forecast suggests unsettled weather midweek, with rain probabilities ranging from 30% to 60%. There is some ...

The air quality is poor today in northern Illinois due to migrating Canadian wildfire smoke. See the AQI in your area.

Smoke and haze could arrive in parts of the Bay Area on Friday thanks to wildfires in the northern portion of the state. The ...

REDDING, Calif. — Wildfire smoke in the Northstate can impact recreational sites like the Redding Aquatic Center (RAC).

With wildfire smoke in the forecast, track the drop in air quality across dozens of PurpleAir sensors with our live, updating ...