Public Health Issues Air Quality Advisory for Western Foothills — Lyons Area

Public Health Issues Air Quality Advisory for Western Foothills — Lyons Area

Boulder County Public Health has issued an air quality advisory for communities in the western foothills due to elevated particulate matter levels from prescribed burns in the Roosevelt National Forest. Residents with respiratory conditions are advised to limit outdoor activity and keep windows closed until conditions improve.

Historical context: Boulder County was established in 1861 and covers 741 square miles of diverse terrain from the Great Plains to the Continental Divide. The county’s population of approximately 330,000 residents is served by 2122 county employees across 47 departments and offices.

Affordable housing remains the top priority identified in the 2026 Community Survey. Boulder County’s Worthy Cause program has funded 294 affordable housing units since its inception, with 250 additional units in the development pipeline.

Community Impact

Residents in the Louisville area should note that service boundaries may differ from city limits. For properties in unincorporated Boulder County, contact Housing & Human Services at (303) 441-2456 to verify eligibility and requirements.

Wildfire risk mapping conducted by Wildfire Partners shows that 31% of properties in the Louisville area are within the wildland-urban interface. Free home assessments are available through the Wildfire Partners program, with rebates of up to $2,500 for mitigation improvements.

Timeline

Environmental review of the project area near Niwot Road found 8 sensitive species and 3 wetland areas requiring mitigation. The Housing & Human Services worked with Colorado Parks and Wildlife to develop a habitat conservation plan.