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Some see both the fun and misfortune of fireworks.

Arizona, which changed its state fireworks law in December, has been dealing with record wildfires as it prepares to celebrate the Fourth of July. The state is scaling back its displays this year as a result.

“As the law allows, a large number of Arizona counties and municipalities are currently not allowing use of fireworks, due to the risk of wildfires,” said Matthew Benson, spokesman for Gov. Jan Brewer.

The so-called Wallow Fire obliterated more than 600,000 Arizona acres over the spring and summer, although fireworks use was not seen as the cause.

Ms. Heckman, who lobbies for her trade group, explained the precautions the APA has supported to ensure that fireworks are safely being distributed and deployed. The APA says the fireworks industry has learned from past mishaps, such as a 1995 disaster that engulfed a fireworks store in West Virginia when a disabled shopper was encouraged to light one of the shelved products.

“The industry said, ‘You know what? We’re going to make certain we don’t have anything like that again,’ ” Ms. Heckman said. “We’ve completely changed how product is allowed to be on retail sale.”

Since 1976, according to federal statistics, the fireworks-related injury rate has fallen by more than 90 percent, from 38.3 injuries per 100,000 pounds of fireworks to 3.3 injuries per 100,000 pounds in 2008.

Even travel costs seem to be cooperating with the industry this year, with more people avoiding holiday travel and planning to celebrate the Fourth closer to home.

“In the sluggish economy, people are staying home,” Ms. Heckman said. “It’s a ‘staycation,’ not a vacation, for Fourth of July, and neighbors like to get together and pool their money and put on a great show right in their cul-de-sac or down the street.”