Ozone air pollution, sometimes known as smog, is one of the most widespread pollutants in the United States. It is a powerful lung irritant. When inhaled into the lungs, it reacts with the delicate ...

Ozone air pollution, sometimes known as smog, is one of the most widespread pollutants in the United States. It is a powerful lung irritant. When inhaled into the lungs, it reacts with the delicate ...

“State of the Air” uses letter grades to measure unhealthy levels of ground-level ozone air pollution (also known as smog), ...

Today, the American Lung Association released the 2025 “State of the Air” report, which reveals that Idaho Falls metro area was named 165th most polluted in the nation for ozone pollution. Nationally, ...

Today, the American Lung Association released the 2025 “State of the Air” report, which reveals that Boise metro area was named 36th most polluted in the nation for particle pollution. Nationally, the ...

Today, the American Lung Association released the 2025 “State of the Air” report, which reveals that Bozeman metro area (Gallatin County) was named 98th most polluted in the nation for particle ...

Today, the American Lung Association released the 2025 “State of the Air” report, which reveals that Amarillo metro area was named 79th most polluted in the nation for ozone pollution. Nationally, the ...

The American Lung Association’s newly released 2025 State of the Air report reveals worsening air quality in the Boston-Worcester-Providence, MA-RI-NH metro area, with increased ozone smog and ...

For the year-round average level of particle pollution, the area’s worst county, Albany County, New York, received a passing grade for pollution levels below the federal standard. The ...