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City
Mosquito Counts
City of Chicago —
Counts of mosquitoes by year, week, and species collected by the Chicago Department of Public Health (CDPH) Environmental Health program. CDPH maintains an... -
City
Change Notice: New Columns in West Nile Virus Tests Dataset - 1/14/2026
City of Chicago —
New columns in the West Nile Virus Test Results dataset. -
Federal
Adult mosquito and butterfly exposure to permethrin and relative risk following ULV sprays
Department of the Interior —
This dataset contains data of permethrin residues on adult mosquitoes and adult butterflies following their exposure to ultra-low volume (ULV) sprays containing... -
City
West Nile Virus (WNV) Mosquito Test Results
City of Chicago —
List of locations and test results for pools of mosquitoes tested through the Chicago Department of Public Health Environmental Health program. The Chicago Department...