Ottawa (HRNW)- Thick smoke from ongoing wildfires across Canada has turned the skies orange and reddish in many regions, while air pollution has reached hazardous levels, prompting health officials to issue public safety advisories.
According to officials, large-scale wildfires are burning in several provinces, including British Columbia, Alberta, Saskatchewan, and Manitoba. Massive smoke plumes have spread hundreds of kilometers, affecting not only Canada but also several northern states of the United States.
Experts explain that when fine particles and smoke from wildfires accumulate in the atmosphere, they scatter the sun’s blue light more effectively, allowing red and orange wavelengths to become more visible. As a result, the sky appears orange or reddish even during daylight, and the sun looks dim.
Health authorities have advised residents to avoid unnecessary outdoor activities, keep windows closed, use air purifiers where possible, and wear N95 masks if they must go outside. Officials warned that smoke particles can pose serious health risks, particularly for people with respiratory, heart, and lung conditions.
Climate experts say that climate change, prolonged dry weather, and extreme heat are among the primary factors contributing to the increasing frequency and intensity of wildfires, which have resulted in record-breaking fire seasons and widespread smoke across Canada in recent years.
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