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City of Winnipeg
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Until Election Day
on October 24

Insect Control

AFA Level
Adulticiding Factor Analysis (AFA)
Current Nuisance Mosquito Control Measures

This website is updated regularly to provide Winnipeg citizens with the most current information available regarding the Adulticiding Factor Analysis. The amount of Mosquitoes we get in Winnipeg depends on the weather we receive. Insect Control activities and day to day operations are planned and adjusted based on weather forecasts and significant changes in environmental conditions.

The Current AFA Level is: LOW

AFA Factors Current Conditions
Soil Moisture Conditions
  • Soil moisture conditions are below normal.
Forecasted Rainfall
  • Approximately 0 - 10 mm of precipitation has fallen in the last 7 days.
  • There is a chance of rainfall in the next 7 days
Trap counts (New Jersey Light Traps)
  • The NJLT average for July 15th, 2018 is 9.
Current Status of Adult Mosquito Population
  • Current population is comprised of summer species.
Average Cumulative Temperatures
("Current Degree Model")
  • Temperatures are favourable for normal larval development.
Status of Larval Development Sites
  • Current emergence of summer species in low numbers.

Please refer to the Adult Mosquito Control Policy, which includes the Adulticiding Factor Analysis (AFA) Guidelines, for more details.


Last update: July 15, 2018
Contact Us
Bugline: 311
or 1-877-311-4WPG
Media inquiries: 204-986-6000
311@Winnipeg.ca

Administrative Office and Research Laboratory
1539 Waverley Street
Winnipeg MB R3T 4V7

Operations Base
3 Grey Street
Winnipeg MB R2L 1V2
Citizens' Information Service
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