MANKATO, Minn. (KEYC) - Another air quality alert has been issued for Minnesota due to Canadian wildfire smoke.

Air quality in New York City continues to pose health risks for the community, as elevated ozone pollution has prompted officials to declare an air quality alert for ...

The hazy air hovering over U.S. metropolises, including Chicago and New York, this summer is reminding Americans of just how connected they are with their northern neighbor, regardless of how ...

This changed the window of what is considered “good” air on the Air Quality Index. Those EPA guidelines are almost double those of the World Health Organization guidelines, which are a stricter 5 PM 2 ...

Though wildfire smoke was to blame for poor air quality earlier in the week, Wednesday and Thursday's alerts are due to high ...

A study compares the data that went into the maps from federal monitoring stations, low-cost sensors and satellites that ...

“Smoke plumes can travel quite a bit. They can travel hundreds and thousands of miles, so our air quality right now is being ...

The National Hurricane Center is continuing to monitor the potential development of tropical trouble off the Southeast coast.

Smoke from Canadian wildfires is triggering health warnings across Massachusetts. Learn what doctors say about air quality ...

Though wildfire smoke was to credit for poor air quality earlier in the week, Wednesday's alert is due to high-levels of ozone in the air.

Wildfire smoke drifting over the Washington, D.C., area is making the skies look hazy and negatively affecting air quality.

According to the National Weather Service, the air quality alert remains in effect through midnight in parts of the Chicago ...