As smoke pours from the intense wildfires currently scorching Los Angeles, air quality has plummeted across the city due to ...
Already known for having some of the worst air quality in the U.S., people in Southern California are now also at risk of ...
Smoke from the blaze has significantly worsened air quality statewide, with some areas reporting hazardous levels exceeding 500 on the Air Quality Index (AQI).
Major air pollutants have declined in recent decades, but USA TODAY’s analysis shows wildfire smoke is taking their place.