ChemTracker predicts which aircraft overhead are leaving visible trails ā in real-time. Using live ADS-B flight data, atmospheric conditions from 8 pressure levels, and the Schmidt-Appleman criterion, we analyze every aircraft within 250km of your location.
Features:
ā Real-time flight map with contrail scoring
ā Sky Scanner: point at a trail, identify the aircraft
ā Golden hour alerts when visibility peaks
ā Evidence packs & field reports
Free 14-day trial. No credit card. Worldwide.