Current numbers on the Air Quality Index show most of Los Angeles County ... should consider a P100 respirator or properly fit N95 mask. District officials also doubled the amount of feeding ...

However, even with the region's current "good to moderate" rating in the Air Quality Index, officials advise ... In order to do this, they advise wearing a mask like an N-95 or P-100 respirator ...

If you woke up this morning and noticed the skyline looking hazy and the air a little harsher on the lungs, you're not imagining things. A major air quality advisory is in effect today across all five ...

Air quality levels are "moderate" in most of New Jersey Thursday morning as the Jones Road fire continues to burn. The fire ...

On April 14, residents of Hanoi are once again facing dangerous air quality, with multiple monitoring stations reporting ...