On Wednesday at 2:12 p.m. an air quality alert was reported by the NWS San Diego CA in effect until Sunday at midnight. The ...

At 1:58 p.m. on Wednesday, the NWS Los Angeles/Oxnard CA reported an air quality alert in effect until Saturday at 11 p.m.

Two wildfires burning in Southern California are causing dangerous smoke impacts for more than 320,000 people.

Skies over metro Phoenix were hazy and gray Tuesday morning. Here's what is causing poor air quality in Phoenix and when it ...

Particle pollution is the mix of solid and liquid droplets floating in the air, according to the US Environmental Protection Agency. It can come in the form of dirt, dust, soot or smoke.

Particle pollution, also called PM2.5 or particulate matter, is the mix of solid and liquid droplets floating in the air, according to the US Environmental Protection Agency. It can come in the ...

No pollution is good for anyone’s health, but a new study found that scientists may have significantly underestimated just how deadly pollution from coal-fired plants can be. It also shows how ...

In the model created by the researchers, air pollution was found to be responsible for 11% of changes in average antibiotic resistance levels globally, possibly making particle pollution a leading ...

According to the report, around 46% of people in the U.S. live in an area that received a failing grade in at least one of the three measures that were studied: short-term particle pollution, year ...

A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents who live in areas that received an "F" in smog and soot pollution.

And Phoenix again appeared on the 25 most polluted cities list for ozone, short-term and annual particle pollution.. Need a break? Play the USA TODAY Daily Crossword Puzzle. The report looked at ...