As of November 4, 2014, it is legal in Alaska for adults over 21 to purchase marijuana for recreational use. There are operational retail marijuana stores within the Fairbanks North Star Borough, including the City of Fairbanks but excluding the City of North Pole. Here are some basic rules for responsible recreational consumption:
This overview will let you know what is legal in Alaska for personal-use marijuana. However, cities and communities are allowed to pass stricter laws. Be sure to review local laws in case the rules differ from what you read here. View the State's website about responsible marijuana consumption.