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There are no contrails here. I don't have sky pics, but contrails are typically visible as a cloud in a line shape, and that's not a thing in my sky. We have fog, and rain clouds in the winter. There'll be a bolt of lightning once every year or two. But no contrails I've seen. Not saying they're not possible, just rare enough that I haven't noticed any.

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Contrails typically form when the air temperature is at or below minus-40 degrees Fahrenheit or Celsius, and relative humidity is elevated.

At those temperatures and humidity levels, small clouds form when moisture condenses and instantly freezes around the tiny particulates found in jet airliners’ exhaust.

The clouds are ice crystals and look like wispy strands of cirrus clouds. They can evaporate swiftly if the relative humidity of the surrounding air is low and the upper-level winds are gusty.

Conversely, if the relative humidity is high and the winds calm, contrails can last for many hours.

https://santamariatimes.com/news/local/columnists/john_lindsey/john-lindsey-how-to-predict-contrails-over-central-coast/article_bc17185f-18fb-5326-8e4d-b31d2037e834.html


Are these particulates the chemicals? Burning jet fuel does release chemicals, as does a lawnmower, and any fuel burning engine.

Contrails are only ever just water vapour.

An aerodynamic plane (the wing that goes through the fuselage) generates lift by equalizing the pressure differential above and below that plane. When elevation changes rapidly and when passing through more dense humid air, you are compressing this air and the water vapour within it creating contrails.

Planes aren't intermittently relasing 5G nanoparticles, lizard people or chemicals to control your mind.