Southern California has experienced significant temperature fluctuations in the last two weeks of February 2026, shifting from cooler, active weather to intense, summer-like heat—a pattern experts ...

A weather whiplash of warm and wet conditions is being blamed for a surge in mosquito activity across Southern California. Orange County Mosquito and Vector Control District officials say they’re ...

Populations of an invasive species of disease-carrying mosquitoes are continuing to spread throughout Northern California, including the San Francisco Bay Area, according to health officials. New York ...

Southern California lawns are expected to take a beating this summer, but at least that means less pesky mosquitoes likely will be about. Rainfall can lead to stagnant water where mosquitoes breed as ...

As summer ushers in peak mosquito season, health and vector control officials are bracing for the possibility of another year of historic rates of dengue. And with climate change, the lack of an ...

A cooler summer in Northern California may have kept mosquitoes out of sight and out of mind, but Placer County officials are warning: don't let your guard down. Crews at the Placer Mosquito and ...

Napa County’s summer mosquito season arrives amid a jump in dengue cases in California, which has local public health officials closely monitoring the disease and encouraging residents to be diligent ...