Although 35 states, three U.S. territories, and the District of Columbia have legalized cannabis for recreational or medical use, there still are no uniform standards for regulating potentially harmful contaminants in cannabis products.
For a huge swath of Northern California, the air suddenly became hazardous last November. Thick smoke from the most destructive wildfire in state history was delivering a secondary blow to nearly ten million Californians, some of whom turned to a new class of consumer air monitors to help keep them safe.
