The point out of California expert a hotter than usual June, coupled with an excessive of high-quality fuels from unusually soaked Wintertime and spring seasons. This has resulted from the vegetation staying additional at risk of ignition and fire unfold than has become observed in earlier a long time. Furthermore, the vegetation is a lot more dense beneath 3,000 feet, which can result in immediate fire advancement all through First assault, especially in locations where wind and topography align.

A rise in PM smoke emitted within the Hayman fire in Colorado in June 2002, 다이어트 was affiliated with an increase in respiratory symptoms in patients with COPD.[255] Taking a look at the wildfires in Southern California in 2003, investigators have proven an increase in clinic admissions as a result of asthma signs even though currently being exposed to peak concentrations of PM in smoke.