# LA Mosquito Crisis Hits Record High

> Los Angeles becomes America's most mosquito-infested city amid record heat and El Niño threats.
- Title: LA Mosquito Crisis Hits Record High · California Post
- Summary: Los Angeles becomes America's most mosquito-infested city amid record heat and El Niño threats. Los Angeles has the highest number of mosquito cases in the…
- Keywords: los angeles, mosquitoes, west nile virus, el niño, southern california, aedes mosquitoes, news, entertainment, Mosquito, Crisis, Hits, Record
- Source: California Post — https://nypost.com/2026/10/11/us-news/los-angeles-is-the-most-mosquito-infested-city-in-america
- Published: 2026-10-11T23:53:22+00:00
- Read time: 1 min
- Topics: los angeles, mosquitoes, west nile virus, el niño, southern california, aedes mosquitoes, news, entertainment
## LA Most Mosquito Infested City
Los Angeles has become the most mosquito-infested city in the US.
## Record Heatwaves Fuel Mosquito Breeding
Record-shattering heatwaves and El Niño threats have turned Southern California into a breeding paradise for mosquitoes.
## Residents Report Year of Agony
Residents report a year of agony as mosquito clouds terrorize backyards and make al fresco dining an ankle-chewing nightmare.
## West Nile Virus Cases Spike
Los Angeles County has recorded over 180 West Nile virus cases this year, the highest spike in nearly a decade.
## Key takeaway

Los Angeles has the highest number of mosquito cases in the US due to extreme heat and El Niño conditions.