The Arcadia track, which had postponed Friday’s card and curtailed training for three days, is monitoring air quality ahead ...

An alarming map has shown several coastal US cities that are predicted to be underwater due to rising sea levels by 2100 if ...

As wildfires blaze in California, many are evacuating while firefighters work to extinguish the flames. Residents in and ...

Wildfires are tearing through thousands of acres in Los Angeles County in California, as strong Santa Ana winds stoke the ...

At least five people are dead and thousands of structures have been damaged or destroyed as fierce wildfires rage in the Los Angeles area.

AirNow is a collaborative effort of federal agencies that provides air quality data across the U.S. The site also has ...

As thousands of acres burn across Southern California, wildfire smoke is causing poor air quality in the region and beyond.

Major air pollutants have declined in recent decades, but USA TODAY’s analysis shows wildfire smoke is taking their place.

LOS ANGELES — Massive wildfires burning in the Los Angeles area have filled the air with a thick cloud of smoke and ash, ...

Millions of Los Angeles County residents are facing extremely hazardous air quality as wildfires continue to burn. The air ...

Fierce wildfires are raging in the Los Angeles area, fueled by powerful Santa Ana winds, sending residents fleeing from ...