Updated February 2026
Data Sources
Hazards.NOW relies entirely on publicly available, open government data. We are grateful to the agencies that make this data freely accessible.
- National Weather Service (NWS) — Active weather alerts, watches, and warnings for the United States.
- USGS Earthquake Hazards Program — Real-time earthquake event data and shakemap information.
- NASA FIRMS — Fire Information for Resource Management System: satellite-derived active fire / thermal anomaly data.
- NIFC / WFIGS — Wildland Fire Interagency Geospatial Services: active wildfire incident perimeters and details.
- AirNow (EPA) — Air Quality Index observations and forecasts across the United States.
Open-Source Software
This project is built on the shoulders of the open-source community. Key dependencies include:
Map Tiles
Base map tiles are provided by various open tile providers. Attribution is displayed on the map itself per provider requirements.
If you believe we have missed an attribution or are using your work improperly, please contact us and we will address it promptly.