The Sacramento region’s air quality reached “unhealthy for sensitive groups” level on Thursday morning, according to IQAir.

How small does a particle have to be to slip by the body’s defenses to enter the bloodstream? When it comes to fine ...

The EPA “is still considering the impacts that PM2.5 and ozone emissions have on human health, but the agency will not be ...

Jan 9 (Reuters) - Multiple massive wildfires are raging in Los Angeles, blanketing the surrounding regions under a pungent haze caused by smoke carrying noxious gases and particulate matter that pose ...

Large-scale construction projects involving drilling and demolition create large amounts of dust, and teams must still face this working environment to meet project deadlines. It is possible to ...