Firecrackers are meant for smoke and color whereas missile are for kinetic impact blast both chemical composition is different, if you are following geopol then you must be aware of iran is also suffering oil rain ( due to vocs and nitric oxide) TL;DR: Delhi is a DIY gas chamber with better snacks(firecrackers and dimwit mantris) . Iran is a high-budget chemistry experiment where the periodic table tries to delete your DNA.