Aerial fireworks.

[iwanttosee]

Aerial fireworks is illegal in Phoenix but everyone knows there is little to no enforcement and pitiful penalty if caught.

 

[Arjun]

Any strobe rocket sightings?

 

[observant1]

Washington, DC, briefly experienced the worst air quality of any major city in the world, according to a company that ranks pollution globally, as the capital reckoned with the aftermath of a massive, 40-minute Fourth of July fireworks show.