Wildfire risk · Colorado
Wildfire risk in Colorado
Wildfire risk (USDA Forest Service) data for ZIP codes in Colorado. Pick a ZIP below to dive into the wildfire risk summary.
Last verified 2026-05-13 · methodology
What lands here
Pages translate the numeric hazard score into plain English, show the exposure type (direct flame contact vs. ember), and link to at-home mitigation resources.
Source & refresh
USDA Forest Service. Refreshed annual (usfs update). Primary source →
Colorado top concern
Radon Zone 1, wildfire on the Front Range
Colorado is one of the most uniformly Zone 1 radon states in the US. WUI wildfire risk concentrates along the Front Range from Boulder to Colorado Springs. Drinking water sourcing splits between Front Range water districts and Western Slope reclamation projects, each with distinct EPA SDWIS compliance histories.
See Colorado state page for the full state-level rollup across all 12 dimensions.
Read more on wildfire risk
Editorial deep-dives explaining the source data, its limits, and how to read it.
Flood zones explained — what AE, X, and VE actually mean
Plain-English guide to FEMA flood-zone codes (A, AE, AH, V, VE, X, X-shaded). What the 1% and 0.2% annual-chance zones mean for your property and your insurance.
AQI explained — what 50, 100, 150 actually mean for your lungs
Plain-English guide to the EPA Air Quality Index (AQI) and the 6 categories from Good to Hazardous. When to take precautions and which pollutants matter.
Wildfire Hazard Potential — what the USFS scale means and how to defend your home
Plain-English guide to the USDA Forest Service's Wildfire Hazard Potential 1–5 scale, how to read your community's risk, and concrete home-defense measures.
AirNow + wildfire smoke — when AQI is a real-time tool
How EPA AirNow handles real-time wildfire smoke, what the colors mean during fire season, and where AirNow leaves gaps you should know about.
8 Colorado ZIPs
ZIP 80202
Denver, CO
Wildfire risk →
ZIP 80206
Denver (Cherry Creek), CO
Wildfire risk →
ZIP 80424
Breckenridge, CO
Wildfire risk →
ZIP 80302
Boulder, CO
Wildfire risk →
ZIP 81611
Aspen, CO
Wildfire risk →
ZIP 80525
Fort Collins, CO
Wildfire risk →
ZIP 81301
Durango, CO
Wildfire risk →
ZIP 80205
Denver (Five Points), CO
Wildfire risk →