At an air quality town hall at CoBiz Richmond, Chevron representatives said the company will help residents breathe easier ...

Smog, and lots of it, blanketed Spokane for years. The industrial engines that drove the Inland Northwest's growth in the 1900s spewed soot and smoke across the region, and as the region grew, so did ...

New research reveals air purifiers offer limited protection against viral spread in schools. Experts emphasize a combined ...

Police register 14 cases, fine 115 individuals for causing smog; civic agencies taking steps to mitigate pollution.