Mosquitoes are one of the unwelcome guests of summer. In particular, high humidity and warm climates provide an ideal environment for mosquitoes to breed. Here are the 10 cities in the U.S. where mosquitoes are most rampant.

As of 2020, Atlanta has been selected as the city with the most mosquitoes for 7 consecutive years.

1. Atlanta, Georgia
2. Los Angeles, California
3. Washington DC
4. New York, New York
5. Chicago, Illinois
6. Dallas-Fort Worth, Texas
7. Detroit, Michigan
8. Charlotte, North Carolina
9. Philadelphia, Pennsylvania
10. Miami, Florida

Additionally, cities like Houston, Raleigh-Durham, Phoenix, Boston, Baltimore, Richmond (Virginia), Nashville, Tampa, Indianapolis, St. Louis, Norfolk (Virginia), Orlando, Greenville (South Carolina), Denver, Kansas City, Tulsa (Oklahoma), Minneapolis, Albany (New York), Grand Rapids (Michigan), Memphis, and Oklahoma City are also known for high mosquito activity.

Are there areas in the U.S. without mosquitoes?

There are virtually no areas in the U.S. without mosquitoes. Mosquitoes primarily breed in warm and humid environments, so they can be seen in many regions during the summer. However, there are areas with fewer or less frequent mosquito appearances. Desert regions like Arizona, Nevada, and Utah are very dry and have high temperatures, making them unfavorable for mosquitoes. These areas receive little rain and have low humidity, making it difficult for mosquitoes to breed.

Mountainous areas like Colorado have climates that are cold and dry, resulting in fewer mosquito appearances. The higher the altitude, the lower the temperature, making it unsuitable for mosquito habitats. Some coastal areas in California are windy and relatively dry, leading to less mosquito activity. These places, especially in summer, have cool breezes that make mosquitoes less frequently seen.

In conclusion, while there are almost no areas in the U.S. completely free of mosquitoes, desert regions and mountainous areas are places with very low mosquito activity.