Fireworks displays are a spectacular and traditional method of celebrating some national and cultural traditions such as independence day on the 4th of July.
However, under the right meteorological conditions, the emissions from fireworks displays can be trapped near the ground and build up to unhealthful levels. The DNR recommends that members of the public take reasonable precautions to minimize exposures to emissions from fireworks displays, including avoiding areas of dense smoke near the launch areas of fireworks displays.
Health & Respiratory Concerns
Asthmatics and those with respiratory difficulties, as well as the elderly and children, are the groups most likely to experience adverse health effects associated with elevated levels of fine particles.
The DNR suggests that people who are susceptible to the impacts of high particulate levels view these displays from a safe distance and from a vantage point upwind of the fireworks. EPA advises that individuals limit prolonged outdoor exertion when particulate levels are elevated.
Firework Chemicals
Concern over chemicals contained in fireworks smoke (including perchlorate and colorant metals) has led to the development of a new variety of cleaner burning fireworks based on nitrogen-rich compounds. These fireworks do not require the use of perchlorate as an oxidizer, and because they produce less smoke, require smaller amounts of potentially toxic metal colorants.
Changes & Improvements
The Disney corporation has pioneered the use of compressed air (instead of black powder) as a propellant at its fireworks displays. Several cities across the U.S. have replaced traditional Fourth of July fireworks displays with light shows created by drones. The DNR recommends that communities consider these “low- smoke” or "no-smoke" alternatives to conventional fireworks when planning their displays.