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County Wide Mosquito Abundance by City

Weekly County Wide Mosquito Abundance by City 

Disease Week 30: July 21st to July 25th, 2025

CityTotal Female MosquitoesSamples Tested (Pools of 50 Max)WNV positive samplesWNV positives year-to-date
Aliso Viejo0000
Anaheim145352911
Buena Park145400
Brea66200
Costa Mesa95300
Coto De Caza48000
Cypress125300
Dana Point11100
Fountain Valley44300
Fullerton3231200
Garden Grove106240911
Huntington Beach912800
Irvine18091400
Laguna Beach181400
Laguna Hills82000
Los Alamitos50100
Laguna Niguel12100
Ladera Ranch49000
La Habra94700
Lake Forest22100
Mission Viejo63200
Newport Beach234500
Orange3931710
Placentia29101
Rancho Santa Margarita6100
Santa Ana11374100
San Clemente292100
San Juan Capistrano19100
Seal Beach270700
Stanton62200
Trabuco Canyon17000
Tustin68300
Westminster36400
Yorba Linda45100
Villa Park0000
Grand Total93052441923