# ChemTracker > Real-time flight tracking and contrail detection app at chemtracker.app. See which aircraft are leaving trails above you, powered by atmospheric science and the Schmidt-Appleman criterion. Built by CCC Impact BV. > Full content available at: https://chemtracker.app/llms-full.txt ## About - [How It Works](https://chemtracker.app/how-it-works): Complete explanation of the tracking engine, atmospheric science, features, and pricing - [Press Kit](https://chemtracker.app/press): Company info, founder details, media resources for journalists ## Learn - [What Is a Chemtrail](https://chemtracker.app/learn/what-is-a-chemtrail): Definition, history, and what observers report seeing in the sky - [Chemtrail vs Contrail](https://chemtracker.app/learn/chemtrail-vs-contrail): Key differences between chemtrails and contrails explained - [Why Planes Leave Trails](https://chemtracker.app/learn/why-planes-leave-trails): The atmospheric science behind aircraft trail formation - [Are Chemtrails Real](https://chemtracker.app/learn/are-chemtrails-real): Evidence, perspectives, and what the data shows - [Cloud Seeding](https://chemtracker.app/learn/cloud-seeding): How cloud seeding programs work around the world - [Weather Modification](https://chemtracker.app/learn/weather-modification): Overview of weather modification programs and technology - [Geoengineering](https://chemtracker.app/learn/geoengineering): Climate intervention techniques and proposals explained - [Stratospheric Aerosol Injection](https://chemtracker.app/learn/stratospheric-aerosol-injection): SAI research, proposals, and implications - [Solar Radiation Management](https://chemtracker.app/learn/solar-radiation-management): SRM techniques and global research programs ## Live Data - [Live Stats](https://chemtracker.app/stats): Real-time atmospheric conditions and trail activity data ## Landing Pages - [Chemtrails Live](https://chemtracker.app/live): Real-time trail activity and atmospheric conditions - [Chemtrail Map](https://chemtracker.app/map): Interactive map of aircraft and trail activity - [Chemtrail Detector](https://chemtracker.app/detect): How the spray detection scanner works - [Contrail Forecast](https://chemtracker.app/forecast): Predicted trail formation conditions today ## Blog - [Introducing ChemTracker](https://chemtracker.app/blog/introducing-chemtracker): Launch announcement and product overview - [How We Detect Contrails](https://chemtracker.app/blog/how-we-detect-contrails): Technical deep-dive into the detection engine - [Product Hunt Launch](https://chemtracker.app/blog/product-hunt-launch): ChemTracker launches on Product Hunt - [RSS Feed](https://chemtracker.app/blog/feed.xml): Subscribe to the ChemTracker Blog RSS feed ## Track Contrails by City - [Track Contrails Worldwide](https://chemtracker.app/track): Master index of all tracked cities and countries - [Example: Amsterdam](https://chemtracker.app/track/netherlands/amsterdam): Real-time contrail conditions over Amsterdam - [Example: New York](https://chemtracker.app/track/united-states/new-york): Real-time contrail conditions over New York - [Example: London](https://chemtracker.app/track/united-kingdom/london): Real-time contrail conditions over London > Full city list and real-time data available at https://chemtracker.app/track > Complete content dump: https://chemtracker.app/llms-full.txt ## Airports - [Track Contrails at Airports](https://chemtracker.app/airport): Index of all monitored airports - [Example: Schiphol (AMS)](https://chemtracker.app/airport/ams): Real-time conditions at Amsterdam Schiphol - [Example: Heathrow (LHR)](https://chemtracker.app/airport/lhr): Real-time conditions at London Heathrow - [Example: JFK (JFK)](https://chemtracker.app/airport/jfk): Real-time conditions at New York JFK ## Dutch (Nederlands) - [Chemtrails Nederland](https://chemtracker.app/nl/chemtrails-nederland): Alles over chemtrails in Nederland - [Strepen in de Lucht](https://chemtracker.app/nl/strepen-in-de-lucht): Waarom vliegtuigen strepen achterlaten - [Vliegtuig Volgen](https://chemtracker.app/nl/vliegtuig-volgen): Volg vliegtuigen in real-time boven Nederland