Los Angeles had the lowest air quality in the United States in 2024, according to the annual World Air Quality Report from IQAir. The annual report looks at data from more than more than 40,000 air ...

More than 150 million people across the United States, including nearly half the nation’s children, live in areas affected by harmful levels of air pollution, according to a new report published ...

A new report on air quality across the United States offered a cloudy prognosis on the long-term health of about 156 million residents who live in areas that received an "F" in smog and soot pollution ...

Air in the U.S. has gotten cleaner for decades, adding years to people's lives and preventing millions of asthma attacks, but nearly half of Americans still live with unhealthy air pollution, a new ...

More people across the United States – nearly 40% – are living in places with unhealthy levels of polluted air, according to a new report from the American Lung Association. The number of people ...