U.S. Mosquito Season Starts Weeks Early as California April Counts More Than Double
Updated
Updated · Backpacker Magazine · May 14
U.S. Mosquito Season Starts Weeks Early as California April Counts More Than Double
6 articles · Updated · Backpacker Magazine · May 14
California recorded April mosquito populations at more than double normal levels, while Utah’s season began in March after hot days pulled overwintering species out of hibernation weeks early.
El Niño is expected to bring rain after a dry winter, and that added moisture—combined with an unusually warm spring—is driving a record early surge in mosquito activity across the U.S.
The Southeast is expected to see the worst conditions as El Niño rain intensifies breeding habitat for mosquitoes.
Health risks remain limited but real: mosquitoes can spread West Nile and dengue in rare cases, making repellents, treated clothing and physical coverage more important as the season expands.
With climate change fueling mosquito surges and disease risk, are current repellents and local strategies enough to protect Americans this season?
As new plant-based repellents and AI warnings emerge, could they truly outpace evolving mosquitoes and prevent future outbreaks?
How might integrating mosquito control into city planning and climate policy reshape our fight against vector-borne diseases in the coming years?