Smoke prompts air quality alerts in southern Alberta

Smoke is shrouding southern Alberta due to wildfires in Northwestern United States and health officials are warning people to take precautions. Environment Canada issued the alert for southwest Alberta when ashy clouds blew in over the weekend, prompting health officials to warn people to avoid outdoor physical activity and recommend staying inside as much as possible especially those with lung conditions, seniors and children. "Children just have a different respiratory system with their develo