The trouble with historical fire comparisons

Can you feel it? That seasonal change is coming — tree leaves are starting to turn color, temperatures are dropping a little. The official day for Autumn Equinox is Sept. 22 this year. Cool, crisp air and clear skies, if we don’t get any more wildfire smoke — fingers crossed!

We’ve been blanketed again this season with much smoke and fine particulate matter. We’ve seen an active wildfire season an...