The fire, which was burning near the town of Apple Valley, had exploded to over 4,200 acres since starting on Tuesday ...

After collecting samples from air and water ... of atmospheric pollution, emphasizing the need to reassess health risks in coastal regions.” Elsewhere in Southern California, they said ...

Southern California Air Regulators Reject Rules ... Officials and supporters say the rules would have reduced air pollution and substantially improved public health. But opponents — including ...

Opponents say the rules would have limited consumers’ choices and driven up costs, while supporters say they are critical for ...

The January wildfires were still raging to the east in Pacific Palisades, torching thousands of homes and painting the Southern ... smoke and harmful air pollution, California five years ago ...

In its proposed regulation, the Trump EPA argues that carbon dioxide and other greenhouse gases from fossil fuel-fired power ...

Officials say the plan is crucial for reducing air pollution and improving public health, while opponents fear higher consumer costs. Southern California’s air quality regulators are set to vote ...

That National Weather Service has issued an air quality advisory for most of Michigan's Upper Peninsula, southern Michigan ... or unhealthy (red). The map below displays the current air quality ...

Air quality alerts advising people to stay indoors were issued earlier in the week and lasted through part of Wednesday ...

Air quality in some parts of the United States is worsening as smoke from dozens of wildfires in Canada travels south, pushed ...

The NWS says to anticipate, "The Imperial County APCD has issued an air quality alert due to harmful levels of particle pollution from windblown dust." "Particle pollution can get deep into the ...