We've already had a few air quality alerts this summer, and more are bound to come along, as smoke from wildfires fills the air.
People and other creatures suffer when the smoke gets thick, but the effects are not limited to air-breathers.
Researchers at the University of Nevada-Reno looked into the effects of smoke on lakes and found some significant changes spurred by smoke.
The lake in question is Castle Lake, a mountain lake southwest of Mount Shasta.
We discuss the wealth of data collected at the lake, and what it means, with University of Nevada-Reno researchers Facundo Scordo and Sudeep Chandra.