The combination of heat and fireworks is creating hazardous air pollution in Washington, D.C., that could lead to “very ...

The Trump administration wants to roll back some Biden-era restrictions on smog-causing emissions from heavy-duty vehicles.

The 4th of July was an eventful celebration across Central New York with numerous firework shows Saturday night!

SMOG checks or emission tests exist due to the U.S. Environmental Protection Agency's (EPA) regulation on passenger vehicles. Each state sets limits of nitrogen oxides (NOx) from emitting past certain ...

As a child growing up in Southern California, Ann Carlson remembers mountains obscured by haze and yellowish brown air that stung her eyes and made her lungs ache. It was just “the environment,” her ...

Federal prosecutors in Sacramento on Thursday unsealed an indictment charging 12 people from around the state with violating the Clean Air Act in what they portrayed as a long-running, sophisticated ...

Undercutting air-quality gains Americans achieved before 2015 through auto emission reductions, ozone pollution has worsened ...

Wildfire smoke is complicating decades of clean-air progress nationwide and raising new concerns in the South Bay and inland ...

Even if you weren’t around Los Angeles in 1992, you’ve heard of Rodney King, the man whose videotaped beating at the hands of the LAPD put a match to the ensuing riots. As sometimes destructive ...