The Fourth of July holiday weekend has become synonymous with fireworks going off into the summer air. But outside of professional shows that often put on dazzling fireworks displays, there's a wide range of Americans who enjoy purchasing their own fireworks – which include Roman candles, sparklers, poppers, snakes, helicopters and ground spinners, among others.

The purchasing of less powerful fireworks – ones that don't require a license from the Bureau of Alcohol, Tobacco, Firearms and Explosives – as a consumer is not always so simple, however. That's largely because fireworks are not always readily available, with state laws varying on fireworks all throughout the country and prompting consumers to often cross state or county lines to purchase certain types of fireworks that are outlawed in their home jurisdictions.

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States like Vermont and Illinois only permit the purchase of sparklers and novelty-type fireworks, outlawing all the main types of fireworks. Washington, D.C. is the same. Massachusetts, meanwhile, prohibits the sale of any fireworks altogether, even sparklers. And other states – Hawaii, Nevada, and Wyoming – allow each county to establish its own regulations.

Age restrictions also greatly vary by state, with Arkansas, Mississippi and North Dakota allowing children as young as 12 to buy fireworks. Data from emergency service company PuroClean shows that sparklers, often operated by children, account for more than one-quarter of reported fireworks injuries each year.

To sort through the complexities, here's a rundown of the fireworks laws in every U.S. state, as outlined by the American Pyrotechnics Association and World Population Review.