Thick plumes of smoke from ongoing wildfires in Canada have severely impacted air quality in multiple metropolitan areas, prompting health officials to issue urgent alerts across Toronto, Montreal, and several U.S. cities. Airborne particulate matter levels have reached hazardous thresholds, forcing authorities to recommend residents limit outdoor activities and utilize air purifiers indoors. Vulnerable populations, such as children, the elderly, and those with respiratory conditions, are being urged to take extra precautions amid the deteriorating atmospheric conditions.

Environmental agencies across affected regions have deployed monitoring networks to track real-time air quality fluctuations, while emergency services remain on high alert. Key advisories include:

  • Stay indoors: Especially during peak smoke hours to reduce exposure.
  • Use N95 masks: When outdoor activities are unavoidable.
  • Keep windows closed: To prevent…