The Department of Public Health launched planes to spray pesticide over Bridgewater, Easton, Norton, Raynham, Taunton and West Bridgewater.
Officials said Friday that they will conduct their second spraying of the summer Monday evening after 7 p.m. They said the time and date could change based on weather conditions.
The state is raising the risk of EEE in six towns, and launching a new round of aerial spraying.
State health officials say aerial spraying in southeastern Massachusetts has reduced the mosquito population by about 60 percent, but risk for Eastern equine encephalitis remains.
A third night of aerial spraying for mosquitoes will take place Sunday evening, according to the Massachusetts Department of Public Health.
An aerial attack targeting mosquitoes in southeastern Massachusetts got underway Friday night.
An additional 10 towns in Southeastern Massachusetts will receive aerial spraying of pesticides against mosquitoes.
Everyone is worried about the spread of EEE, especially farmers who are growing bountiful amounts of flowers, fruits and vegetables.
State health officials plan to begin aerial spraying for mosquitoes in nearly a dozen southeastern Massachusetts communities.
Raynham officials have been frustrated by the state’s refusal to spray for mosquitoes.