TrailSmoke shows a live 48-hour wildfire smoke forecast for the entire United States, powered by the NOAA HRRR-Smoke model. Track near-surface smoke concentrations, active wildfire locations from the NIFC Interagency Fire feed, and hour-by-hour changes across the next two days on an interactive map.
Smoke forecast: NOAA National Digital Guidance Database (NDGD) HRRR-Smoke, updated hourly. Wildfire incidents: National Interagency Fire Center (NIFC) Wildfire Aggregated feed. Historical fire statistics: NIFC / National Interagency Coordination Center (NICC).
TrailSmoke is a free public tool for hikers, cyclists, runners, and anyone planning outdoor activity in smoke-affected regions. No account required.