Wildfire risk · Pennsylvania
Wildfire risk in Pennsylvania
Wildfire risk (USDA Forest Service) data for ZIP codes in Pennsylvania. 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 →
Pennsylvania top concern
Radon, lead pipes (older cities)
Pennsylvania has Zone 1 radon across most of the state. LCRR lead-service-line obligations in Philadelphia, Pittsburgh, Reading, Allentown, Erie. EPA SDWIS small-system compliance varies.
See Pennsylvania 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.
10 Pennsylvania ZIPs
ZIP 19103
Philadelphia, PA
Wildfire risk →
ZIP 15222
Pittsburgh, PA
Wildfire risk →
ZIP 17101
Harrisburg, PA
Wildfire risk →
ZIP 16801
State College, PA
Wildfire risk →
ZIP 15217
Pittsburgh (Squirrel Hill), PA
Wildfire risk →
ZIP 17013
Carlisle, PA
Wildfire risk →
ZIP 19610
Wyomissing, PA
Wildfire risk →
ZIP 15601
Greensburg (PA), PA
Wildfire risk →
ZIP 17110
Harrisburg (PA), PA
Wildfire risk →
ZIP 18103
Allentown (PA), PA
Wildfire risk →