Caldor and his team of pegasi keep the skies clear for NASCAR.

Additional tags: Caldor (Spectrum/Rainbow Swoop), Sunshower

Another entry in Admiral Biscuit's challenge/request/not-a-contest for more slice of life fics featuring ponies working on Earth:

https://www.fimfiction.net/blog/869870/story-notes-labor-day-plus-a-challenge-to-readers