3 ms·'This air quality level is known to cause cancer in California'by mensetmanusman 3y ago'This air quality level is known to cause cancer in California'dylan604 3y agoCalifornia air quality used to cause acid rain, so cancer was the least of the problems. So at least they’ve gotten to the point where you can now worry about the cancer404mm 3y agoWildfires will do that :(