MINNEAPOLIS — More than 131 million, or nearly 2 out of 5 Americans, are breathing in unhealthy air. That's according to a ...

Counties with severe air pollution, where all three measures of air quality have failed, 63% of nearly 44 million residents ...

Last week, the U.S. Department of Housing and Urban Development (HUD) and the U.S. Department of Agriculture (USDA) announced new energy efficiency standards for housing financed by HUD and USDA ...

Sacramento has some of the worst air quality in the United States, according to the American Lung Association. Sacramento is ...

Climate change is increasing the number of days people are exposed to hazardous pollution, affecting already disadvantaged ...

However, out of the state's 88 counties, only 22 report particle pollution and 34 report ozone data. The American Lung ...

Fresno has some of the worst air quality in the United States, according to the American Lung Association. The Central Valley ...

Air pollution remains a major threat to the health of many Americans, but stricter emissions rules could help, according to ...

Six California spots are among the top 10 most polluted metropolitan areas in the United States, according to the American ...

As many as 131.2 million people in the U.S. live where the air quality gets failing grades due to too-high levels of ozone or ...

SPRINGFIELD — Illinois’ air quality received mixed grades from the American Lung Association’s annual “State of the Air” ...