Here’s how wildfire smoke affects people 

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Alexander Mountain fire aircraft
Hart Van Denburg/CPR News
A firefighting aircraft approaches the smoke plume of the Alexander Mountain fire on Monday, July 29, 2024, seen from near Masonville. It’s unclear what started the blaze, but it has forced authorities to order the evacuation of nearby residents in the foothills west of Loveland.


Smoke from the Quarry fire hangs over Jefferson County's Meadow Ranch neighborhood.
Kevin J. Beaty/Denverite
Smoke from the Quarry Fire hangs over Jefferson County's Meadow Ranch neighborhood. July 31, 2024.

Dr. Buether interviewed by CPR on smoke affecting humans
Ryan Warner/CPR News

Alexander Mountain Fire sends a pall of smoke over the Front Range
Hart Van Denburg/CPR News
The Alexander Mountain Fire sends a pall of smoke over the Front Range in the early evening on Monday, July 29, 2024.