Fact check
Is it true: Chemtrails: Chemical Spraying from Aircraft?
Debunked95% confidence
No — this has been debunked.
Persistent contrails are fully explained by atmospheric physics — humidity, temperature, and altitude. The largest peer-reviewed study (76 of 77 atmospheric scientists) found no evidence of secret spraying. Cloud seeding is real but unrelated.
The claim
The theory that the white trails left by aircraft in the sky are not ordinary water vapor contrails, but deliberate chemical or biological agents sprayed for purposes ranging from weather control to p
Key evidence
US Air Force "Owning the Weather in 2025" paper
Carnegie Institution survey: 76 of 77 scientists found no evidence
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