The high heat and humidity led officials to issue an air quality alert for parts of New Hampshire on Tuesday. This is the ninth air quality action day so far this year, which is up from last year's ...

"Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults.

The Massachusetts Department of Environmental Protection (MassDEP) has issued an air quality advisory, effective Tuesday, Aug. 12, from 11 a.m. to 11 p.m. Elevated ozone levels are attributed to the ...

Students return to school on Aug. 26, and the air quality at Lowell High School was at the top of last Wednesday’s Board of ...

The Air Quality Advisory issued by the Department of Environmental Protection is not the result of wildfire smoke, as it was ...

The NWS forecasts that ground-level ozone and particulate concentrations will reach dangerous levels and even normally ...

WISCONSIN — Sixty counties in Wisconsin will be under air quality advisories Thursday. The Wisconsin Department of Natural Resources (DNR) said Canadian wildfire smoke entered northwest Wisconsin ...

The heat index, or the "feels like" temperature, is predicted to be in the mid to high 90s for the first half of the week. Boston issued previous emergencies in June and July.

The Massachusetts Department of Environmental Protection has issued an air quality alert across much of the state, due to ...

The National Weather Service reported an air quality alert at 8:43 a.m. on Monday in effect until 11 p.m. for Northern ...