Planes also dump a ton of kerosene into the air when they need to land early. I'd assume orders of magnitude more than rockets just because there are so many mo

Planes also dump a ton of kerosene into the air when they need to land early. I'd assume orders of magnitude more than rockets just because there are so many more of them. They also dump it much, much, lower in the atmosphere. Where people and other things are more likely to breathe it.