A red advisory for unhealthy air will continue for southern and eastern Wisconsin until noon Thursday, the Wisconsin ...

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.

At 255 parts per billion (ppb), the ground-level ozone reading at the Central Pollution Control Board’s TT Nagar station on Tuesday was five times above the acceptable limit. The Indian safety ...

Air quality alerts were issued throughout New Jersey on June 4 as smoke from Canadian wildfires continues to drift across the United States.

Smoke from Canadian wildfires carried another day of poor air quality south of the border to the Midwest, where conditions in ...

Smoke from Canadian wildfires carried another day of poor air quality south of the border, where conditions in parts of Minnesota, Wisconsin and Michigan were rated 'very unhealthy' Tuesday.

Sensitive groups are being advised to make outdoor activities shorter and less intense. Take more breaks. Watch for symptoms ...

The Air Quality Index reflects the density of five pollutants in the air: ground-level ozone, particulates ... An N95 respirator mask, worn properly, can filter out some of the particles.