British Columbia Faces Multiyear Wildfire Smoke Exposure Challenges
The Canadian province of British Columbia is experiencing significant challenges related to multiyear wildfire smoke exposure. Researchers have developed the MultiWiSE metrics to better understand the episodic nature of PM2.5 exposure from wildfires. These metrics are designed to be simple and interpretable, facilitating public health communication about the risks associated with prolonged exposure to wildfire smoke. The study utilizes the Canadian Optimized Statistical Smoke Exposure Model (CanOSSEM) to estimate daily PM2.5 levels across Canada, incorporating data from wildfires, aerosols, and meteorological parameters. The metrics aim to capture the frequency, intensity, and duration of wildfire smoke exposure, providing a more nuanced understanding than traditional annual averages. This approach is particularly relevant for epidemiologic research, as it can help identify health risks associated with different exposure patterns. 
