Orange haze from Canadian wildfires shrouds Ontario and northern US
Hundreds of active wildfires across Canada are spewing smoke so dense it has cast an orange haze across southern Ontario and across the northern states of the United States. Meteorologists say the streaks of smoke are visible from Toronto to Detroit and could continue for several days.
The Canadian Interagency Forest Fire Centre is tracking 838 active fires nationwide. While the haze is not as intense as the 2023 Quebec blaze that blanketed the US East Coast, health advisers warn of elevated particulate matter levels in the affected regions.
Local officials have urged residents to stay indoors, limit outdoor exercise, and use air‑purifying masks if exposure limits are exceeded. The British Columbia Wildfire Advisory Office is monitoring fire front movement and is warning that windy conditions could spread the smoldering plumes farther west.
The spread of wildfire smoke has drawn the attention of climate scientists who note that the 2023 season was record‑setting for both fire counts and atmospheric diffusion. Experts emphasize that increasing temperatures and drier conditions keep pushing fire seasons toward more extreme behavior.














