| Johnson county overview |
County details [Johnson]
Individual locations
| JN-A | JN-B | JN-C | JN-City Park (JCHD) | JN-Fairgrounds |
Historical data
Mosquito population levels are weekly averages according to the number of sites per county for the selected years.
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See complete history
Alternate representation: View Raw Data
Black Hawk
Carroll
Cerro Gordo
Dickinson
Dubuque
Fremont
Linn
Lyon
Marshall
Monona
O'Brien
Page
Polk
Pottawattamie
Ringgold
Sac
Scott
Sioux
Story
Wapello
Woodbury