Firefighters were called to a report of an injury in the 13600 block of Homewood Street at approximately 9:30 a.m.
The injuries were deemed to be fireworks related.
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The Los Angeles County Sheriff's Department's Air Rescue helicopter picked up the patient, described as a 24-year-old man, and transported him to an area trauma center. The chopper used Bassett High School as the landing zone.
The LASD's Special Enforcement Bureau posted a photo to Twitter showing its tactical medics treating the injured man in-flight.
In the image caption, the SEB cautioned, "Please use ONLY safe & sane @LACOFD approved fireworks and ONLY in legally designated areas."