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

Tuesday’s and Wednesday’s strong winds triggered high pollution levels in the Valley’s north end. An Air Quality alert issued ...

The ban on BS 3 petrol and BS 4 diesel cars is back in Delhi after Stage 3 measured under the Centre's Graded Response Action ...

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

With hazardous levels of smoke lingering over Los Angeles County as a result of the slew of wildfires currently burning throughout the region, county officials are urging the public to stay safe.

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

In Boyle Heights, a predominantly Hispanic/Latino neighborhood, residents face disproportionate exposure to toxic air ...

After the fires get under control, wind could help push some particles out of the air, as will gravity with some larger compounds. Gases and fine particles could hang around longer. In burned areas, ...

New data from 2.5 million marathon finishers finds that subtle changes in air quality can affect your race time ...

From December into January there have been numerous air quality alert days. The top contributor this time of year is the holiday fireworks.

Air quality across parts of California is deteriorating to hazardous levels as strong winds drive rapid wildfire spread and stir up heavy dust.

The same Santa Ana winds spreading wildfire across southern California are blowing the smoke over the Pacific Ocean, not into ...