If you’re a runner avoid exercising vigorously on a bad air day. On bad air quality days avoid running along roadways. If you must go outdoors, consider wearing a N95 mask. “The most ...

The Hazardous Air Quality Emergency Preparedness Bill will ensure local governments have the resources they need to respond ...

Toxic air spreads hundreds or even thousands of miles from where wildfires burn. Last week, Chicago felt the sting—and ...

The first Knozone Action Day for the year has been issued for June 12, 2025, due to hot temperatures, sunny skies, and wildfire smoke are the cause.

These kind of bad air days used to be a lot more common, especially in summer, back in the late 1990s and the first few years of the 21st century. For instance, there were 61 days ...

One possible reason for bad air quality in the city is a fire that ... After the fire started and day turned into night, the Earth's surface cooled rapidly. The trapped cold, dense air blocked ...

Running groups in Milwaukee's Walker's Point neighborhood celebrated Global Running Day, but it comes as the city's air ...

Phoenix marked the first day of 2025 with a day of bad air quality, and a health expert says he knows what caused the lingering air pollution. FOX 10's Lauren Clark reports. Rescued NASA ...

Smoke from Canadian wildfires is beginning to worsen air quality in the eastern U.S. as several Midwestern states battle ...