Wildfire smoke shrouded the sky in parts of southern Alberta, Canada, on Tuesday, May 16, amid an air quality alert in the region, according to Environment and Climate Change Canada (ECCC).Footage captured by Tadhg O’Connor shows hazy conditions in the city of Calgary just after 10 am on Tuesday morning.Smoke from multiple wildfires was forecasted to cause “poor air quality and reduced visibility in the area” throughout the day, the ECCC warned.By Tuesday morning, 87 active wildfires burned across Alberta, according to official fire information, while 64 burned in British Columbia. Credit: Tadhg O’Connor via Storyful