Residents in parts of Texas and Indiana face pollution in the "unhealthy" Air Quality Index category on Saturday morning.

On some days the Denver metro area's air quality makes Denver hard to find. Now it has become much easier to locate the stationary sources of some of that pollution. It's an interactive map with ...

This screenshot of the Climate TRACE tool shows where pollution is generated and how it moves across the Pittsburgh region. The team behind the pollution-monitoring tool Plume Pittsburgh is taking its ...

Nearly the entire world is breathing dirty air, a shocking new study has revealed. A report from the air quality monitoring ...

U nhealthy levels of air pollution have prompted an unofficial lockdown in three states across the U.S. The states of California, Oregon, and Arizona are now under the "unhealthy" category of ...

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...

We've seen over the past couple of years, major wildfires can have *** big impact on air quality and sometimes bad air quality isn't always obvious. Meteorologist Heather Waldman tells you how to ...

Air quality is in the "unhealthy" range across several counties in Oregon and California on Wednesday morning.

TRACKING TEMPERATURES AND AIR QUALITY, AND TEMPERATURES ARE UP A FEW DEGREES COMPARED TO THIS TIME YESTERDAY. SO WE’RE AT 101 AT EXECUTIVE AIRPORT IN SACRAMENTO, 103 IN STOCKTON, 100 IN FAIRFIELD, ...