Comment vs what, exactly? (Score 1) 56
First, I simply don't believe the results. I live in western MN and yes, when the CA fires were bad there was a perceptible haze but 350+ days a year, the air here is perfect. I suspect the sampling was done at the worst possible time to push a conclusion
Second, there have always been wild fires. Human lungs and physiological systems have evolved in a world where dust is omnipresent. The authors seem to be suggesting that somehow we should live in a particulate free universe. We can't.