As levels of sooty air pollution have gone far too high across swaths of the Los Angeles area, people are taking adequate ...

In the wake of the Palisades fire affecting Los Angeles, the importance of wearing protective masks cannot be overstated.

Certain masks are effective in protecting against wildfire smoke — but only if they are fitted and worn properly.

People are taking precautions as multiple wildfires cause poor air quality across a wide swath of Los Angeles County.

As wildfires throughout Los Angeles remain uncontained, the resulting smoke poses a significant health risk to people in ...

Every year, in the Costa Rican village of Boruca, men dress in garish masks and costumes to reenact their ancestors' battle ...

Fires continue to ravage Los Angeles County in California. The smoke and pollution poses a threat to certain vulnerable groups.