How to Read the NASA FIRMS Map & Wildfire Smoke Map
When utilizing a live satellite fire map or wildfire tracker, understanding the data sources and visualizations is critical for your safety. Our map integrates near-real-time data directly from the NASA FIRMS (Fire Information for Resource Management System) and the EPA AirNow API to provide the most accurate picture of active fire maps on Google Earth and the web.
Thermal Hotspots Explained
The red and orange dots you see represent thermal anomalies detected by MODIS and VIIRS satellite instruments. These are not exact fire perimeters but indicate areas with significantly higher temperatures than their surroundings. A cluster of high-intensity (red) hotspots often signifies an active, growing wildfire.
Air Quality & Smoke Plumes
Searching for a "wildfire map near me" often means you are concerned about smoke. Our integrated AirNow sensor data shows real-time PM2.5 levels. Green indicates safe air, while orange, red, or purple signify hazardous conditions caused by drifting wildfire smoke.
Tracking Wildfires Today: Stay Informed and Safe
Whether you are monitoring the massive blazes in California, Canada, or Australia, having access to an active fire map is the first step in emergency preparedness. The satellite passes occur multiple times a day, meaning the data on our wildfire tracker is continually updated. Always cross-reference satellite thermal hotspots with local emergency management agencies for evacuation orders and exact incident perimeters.