L.A.’s fires have reshaped the city. It is also possible that they have triggered changes in our very cells whose ...

Millions of Americans have been urged to avoid driving amid concerns over high air pollution levels. Air quality alerts were issued across parts of Illinois, Colorado, Wyoming, and Arizona on Thursday ...

A touch of wildfire smoke is expected to drift over the Washington, D.C., region Thursday, bringing a slight haze but no major air quality concerns.

Your house is filled with filters that keep your air and water clean. Here's a guide to the most important filters in your home, and when to clean or replace them.

Northeast Wisconsin has finally ended its streak of nine days under an air quality advisory. Smoke from massive Canadian ...

The summer of deadly flash flooding continues, with two people killed by flash flooding near Spring Hope, North Carolina, when their car was swept away by flood waters.

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 ...

The National Weather Service forecast indicates a dry and comfortable day with temperatures reaching the low 80s and light ...

Smoke from hundreds of wildfires in Canada has choked the skies over dozens of northern U.S. states in the Great Lakes and ...

Chicago will see near-90 temperatures, high humidity, and poor air quality today, with storm chances returning tonight.

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

Blazes have released 180 million metric tons of carbon, breaking records in Manitoba and Saskatchewan and blanketing much of ...