Clean air rules were designed to protect the environment from harmful car emissions, but they had a surprising secondary ...

A new study found that wildfire smoke from the western United States and Canada is increasing ozone pollution across much of ...

Longtime Mon Valley resident Qiyam Ansari suffered a severe asthma attack at age 16 that led to a collapsed lung and a ...

Friday is a Code Orange Air Quality alert day for higher levels of ground-level ozone. This could bring health symptoms for ...

For more than a decade, the United States dramatically reduced its national smog levels, but since 2015 smoke from ...

Across China, a marked rise in people driving electric vehicles has led to a drop in air pollution in many cities. As a result, fewer people are dying from pollution-related diseases. Outdoor air ...

The New York State Department of Environmental Conservation has issued an Air Quality Health Advisory for parts of downstate New York on Friday because of elevated ozone levels. The advisory is in ...

A cloud of Saharan dust is moving toward Mississippi and the Gulf Coast. Here’s how it could impact weather, air quality and ...

For decades, the United States made steady progress in reducing surface ozone pollution, the main ingredient in smog. But ...

A new study by researchers at UC Davis Health and Kaiser Permanente found that higher exposure to very small air pollution particles (PM2.5) over a 17-year span was associated with lower semantic ...

Air pollution does not have to exceed federal limits to potentially harm human health, according to a new published study ...