The air quality is also affected by ground-level ozone, which is the main component of smog. The Sacramento metro region will have a "Spare the Air" day specifically due to poor air quality from smog ...

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 accordingly in Michigan.

An air quality alert was issued by the National Weather Service in Green Bay at 11:55 a.m. on Tuesday, July 15.

The smoke from Canadian wildfires produced some of the worst fine particle pollution on record in Minnesota over the weekend.

Smoke and haze from wildfires in Canada rolled in early Tuesday morning and are expected to linger through the afternoon and night.

The latest forecast and air quality conditions for the greater Los Angeles area, including beaches, valleys and desert ...

The vehicle emissions testing program in Northeast Ohio will automatically end if the Trump administration determines it's no ...

Table of contents Our Unique Methodology The Most Frequently Recommended Cooling Pillows 1. Coop The Eden Adjustable Cooling ...

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

(The Center Square) – Wisconsin’s northernmost congressman is fed up with smoke and haze from Canada. Congressman Tom Tiffany ...

CLEVELAND, Ohio — Dry and warm weather will peak Tuesday in Northeast Ohio, ahead of rain and thunderstorm chances midweek.

Though the Maine DEP expects a large amount of smoke to move out on Wednesday, the smoke will not entirely clear out of Maine ...