In most areas of the US recklessly discharging a firearm into the air would also get you in serious trouble (even in rural areas) along with a (lesser) murder charge if you killed someone.

FWIW, according to a study published by the National Library of Medicine, "celebratory gunfire" accounts for 4.6% of all stray bullet-related deaths and injuries:

https://pubmed.ncbi.nlm.nih.gov/22743389/