A skunky smell greeting travellers at Edmonton's airport doesn't mean stinky critters are running loose in the area. The scent is coming from the Edmonton International Airport's new neighbour, Aurora Sky, one of the world's largest cannabis facilities. Aurora Sky produces more than 100,000 kilograms of marijuana per year. Aurora Cannabis, the company that operates the facility, is going to great lengths to mitigate any pot odour wafting over to the airport, as well as local hotels and outlet stores. The company has introduced two new exhaust units for deodorization, added 800 HVAC filters throughout processing areas and added 1,360 pocket filters throughout the grow bays. Chief corporate officer of Aurora Cannabis, Cam Battley, said a common misconception is that the smell of cannabis can cause impairment. The facility also has an air-misting system and specialized carbon and charcoal filtration units that absorb contaminants and impurities from the air. Aurora is also building similar cannabis production facilities in Medicine Hat, Alta., and Odense, Denmark. Battley added that the company will use the methods to minimize the smell as needed in those facilities.