Updated at 10 a.m. MT on July 28, 2026: DEQ issued an Air Quality Advisory for the following Idaho counties: Ada, Adams, Blaine, Boise, Butte, Camas, Canyon, Cassia, Clearwater, Custer, Elmore, Gem, Gooding, Idaho, Jerome, Latah, Lemhi, Lewis, Lincoln, Minidoka, Nez Perce, Owyhee, Payette, Twin Falls, Valley, Washington Counties, where all burning is prohibited. Take steps to protect your health and check DEQ’s air quality advisories map for future burn decisions.
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June 26, 2025
BOISE – Summer is peak season for harmful algal blooms (also known as blue-green algae, cyanobacteria harmful algal blooms, or HABs) and Idahoans are reminded to stay safe and protect their pets when recreating in and around water.
May 14, 2025
IDAHO FALLS – The Idaho Department of Environmental Quality (DEQ) seeks additional applications for the newly formed Teton River Watershed Advisory Group (WAG).
April 5, 2023
BOISE — The Idaho Department of Environmental Quality (DEQ) today announced the award of $50,550,110 in construction grants to 14 drinking water and wastewater systems.