Skip to main content

County Wide Mosquito Abundance by City

Weekly County Wide Mosquito Abundance by City 

Disease Week 29: July 14th to July 18th, 2025

CityTotal Female MosquitoesSamples Tested (Pools of 50 Max)WNV positive samplesWNV positives year-to-date
Aliso Viejo0000
Anaheim4361722
Buena Park114600
Brea45300
Costa Mesa103200
Coto De Caza29000
Cypress141500
Dana Point15100
Fountain Valley80200
Fullerton3281300
Garden Grove1851422
Huntington Beach796900
Irvine19511300
Laguna Beach224500
Laguna Hills72100
Los Alamitos24100
Laguna Niguel18100
Ladera Ranch21000
La Habra99700
Lake Forest14100
Mission Viejo66200
Newport Beach241400
Orange152400
Placentia25200
Rancho Santa Margarita14100
Santa Ana625300
San Clemente0000
San Juan Capistrano16100
Seal Beach129400
Stanton46100
Trabuco Canyon0000
Tustin39100
Westminster13200
Yorba Linda270200
Villa Park20200
Grand Total613415144