Wildfire smoke increases tiny particles in the air known as particulate matter that can be harmful to people’s health.
Air quality across parts of California is deteriorating to hazardous levels as strong winds drive rapid wildfire spread and stir up heavy dust.
NBC News' Tom Llamas spoke to ER Medical Director Sylvia Kotikian about the poor air quality in Southern California and what ...
Southern California ‒ with sprawling cities, clogged freeways and heavy industry ‒ is already notorious for some of the worst ...