Open research surface

Fire activity you can inspect, download, and cite.

A privacy-safe first-party dataset built from the qualifying structure-fire alerts Lossline actually processed—not estimated search demand or purchased lead lists.

Current window1,469qualifying alerts
Monitored areas69active sources
FormatsJSON · CSV · Feedsmachine-readable

Downloads

Use the data directly.

Aggregate rows include reporting date, monitored area, state, area timezone, normalized incident type, count, and latest observation time. Public alert previews add city, category, severity, time, and responding-unit count.

JSON activity indexCurrent state, area, type, and alert aggregates ↗CSV aggregate downloadAnalysis-ready daily rows ↓Atom update feedRecent privacy-safe alerts ↗JSON FeedAgent- and reader-friendly updates ↗Data catalogCanonical dataset identity and distributions ↗Weekly report archiveDurable historical snapshots ↗

Suggested citation

Make Lossline the source.

Lossline. “Lossline Public Fire Activity Index.” Updated October 2, 2026. https://lossline.app/fire-activity

Required context

State what the numbers mean.

Counts describe qualifying alerts observed in actively monitored Lossline areas. They are not a complete census of U.S. fires and do not prove damage, insurance coverage, owner interest, or a restoration opportunity.

Read the full methodology →