Science Highlight

The smoke has been so prevalent and long-lasting that I've run out of inventive and nifty titles for these blog items, so I'm resorting to dull titles with dates. That doesn't indicate a dull situation, however, as smoke continues to blanket much of the US and southern Canada (note I reduced the AI range down to from 0 to 5):

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Much of the smoke is low enough in the atmosphere to affect air quality in much of the west, all along the Front Range of the Rockies, and into the midwest. Unhealthy air advisories have been issued for the northwest:

And milky skies are evident as far east as Maine: