Table 1 Cooperative Congressional Election Study (CCES) survey, fall 2016: “Do you believe it is true that the government has a secret program that uses airplanes to put harmful chemicals into the air (often called “chemtrails”)?”

From: Solar geoengineering and the chemtrails conspiracy on social media

  Percentage Percentage, including “best guess” follow-up question
Completely false 32% 34%
Somewhat false 15% 27%
Somewhat true 19% 29%
Completely true 9% 10%
Unsure 25% n/a