There are 9 Airshed zones in the province, with the largest Airshed being the Calgary zone.
CRAZ encompasses the cities of Calgary and Airdrie the Municipal Districts of Rocky View, Bighorn and Foothills Willow Creek, Vulcan and Wheatland Counties the Improvement Districts of Kananaskis and Banff and the Town of Canmore. The Siksika, Eden Valley, Tsuu T’ina, and Stoney First Nations are also located within the CRAZ area.
CRAZ represents 40% of Alberta’s population.
There are 37 municipalities and 3 First Nations in the CRAZ region and 15 of these are members. 14 of these municipalities are in the Calgary Regional Partnership.