Air quality

The Bay Area’s poor air quality is adding an extra twist to the San Francisco 49ers’ home opener in Santa Clara Thursday night.

The Environmental Protection Agency is delaying plans to tighten air quality standards for smog despite a recommendation by a scientific advisory panel to lower air pollution limits to protect public health.

The Canadian wildfires are once again impacting Connecticut’s air quality, just in time for the holiday weekend. Around the state Friday, the air quality index was between 100 and 150, which is categorized as “unhealthy.” At the Rocky Neck State Park beach, there was a heavy haze hanging over the ocean. Still, there are thousands of people getting a head...

Canadian wildfires will send worsening smoky air across the country and neighboring United States in coming days after recent heavy rains in Quebec missed the places where the fires are most active, officials said Wednesday.

There are many health risks that people can face when it comes to wildfire smoke. However, health problems brought on by the dangerous air quality levels are not just limited to humans — our beloved pets face them as well.

Drifting smoke from the ongoing wildfires across Canada is creating curtains of haze and raising air quality concerns throughout the Great Lakes region, and in parts of the central and eastern United States.

The New York Racing Association has announced that live racing will resume at Belmont Park on Friday following significant improvement in air quality conditions in the state.

Much of the East Coast is covered by an orange sky, the result of wildfire smoke traveling south from Canada. Here’s what people have to say on social media.

When the air quality is poor outside, is it safe to use your air conditioner? Here’s what doctors say.

New York health officials say a slight increase in emergency department arrivals began Wednesday, as the skies became an unrecognizable and ominous orange.

Dr. Laura Pence, from the University of Hartford, discusses the health concerns being created by the smoke from Canadian wildfires moving through Connecticut.

Thursday was another day of smoky skies across Connecticut.

Wildfire smoke is part of life in California and the American West, but it’s an unfamiliar foe in New York City and other East Coast cities.