Bismarck consistently ranks among the cleanest-air cities in the country. Low traffic congestion, strong wind patterns, and minimal industrial emissions allow Bismarck to maintain clean skies and low ...

Canadian wildfire smoke has worsened the air quality in multiple states and irritated the eyes, noses and throats of many Americans.

As Vermont encounters its third day of poor air quality, state officials say that dealing with wildfire smoke pollution is “going to be a part of our future.” ...

Canadian wildfire smoke continues to cause hazy skies and air quality alerts in New Hampshire. The air quality alert, extended through Tuesday night, particularly affects sensitive individuals. Air ...

An air quality alert from Canadian wildfire smoke will last through the day Wednesday, according to Vermont Emergency ...

Southern Vermont & Upper Valley: As a bulk of the local wildfire smoke shifts south, it’s southern Vermont/New Hampshire and ...

Air quality alerts have been issued across 12 states for Wednesday, according to the National Weather Service.

Large wildfires in remote regions of Canada sent smoke billowing across the border, inundating northern New England with ...

Photos capture eerie skies and smoke-filled air from Canadian wildfires across Greater Boston. Share yours with us.

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

The remaining 10 states affected by medium to heavy smoke from the wildfires are Colorado, New York, New Jersey, Connecticut, Pennsylvania, Vermont, Massachusetts, Indiana, New Hampshire, and ...