The air quality in the Greater Indianapolis area is reportedly getting worse. The 2025 “State of the Air” report shared that ...

Nearly half of Americans are breathing in unhealthy levels of polluted air, according to the latest "State of the Air" report ...

According to the Lung Association, ozone and particle pollution are the most widespread pollutants and among the ‘most dangerous.’ The recent report found that nearly half of the U.S. population (46%) ...

The study released Wednesday also documented the region’s inordinate short-term and year-round particle pollution. The annual ...

People in the Denver metro area are breathing some of the most ozone-polluted air in the U.S., the latest "State of the Air" report from the American Lung Association found.

The report measures data for six outdoor air pollutants considered dangerous: particulate matter, ozone, nitrogen dioxide, sulfur dioxide, carbon monoxide and lead.

Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American ...

The greater Wheeling-Ohio metro region’s air quality has declined in recent years, according to the American Lung Association’s 2025 State of the Air report, which was released Wednesday. Out of all ...

A new report from the American Lung Association shows that Phoenix's ozone problem is worsening, while its particulate ...

The Los Angeles-Long Beach ranked as the nation’s smoggiest region in a report released Wednesday by the American Lung Association, which also faulted the region for short-term and year-round particle ...

The Canary Wharf skyline in east London viewed through the haze. Schools in Birmingham, Leeds, Manchester and Liverpool were also badly affected (Photo: Victoria Jones/PA) More than nine in 10 ...

In addition to the 27 worst cities for each pollutant listed above, the 25 most polluted counties for ozone and particle pollution are ranked in the tables below.