A new terminal is being celebrated at the Auburn-Lewiston Municipal Airport. The airport is holding a grand opening celebration Thursday of the terminal. The building opened to the public earlier this year, but work on it was only recently completed. The terminal’s features include an upgraded passenger lounge, a conference room, a business meeting area, a pilot lounge, a planning area, a renovated restaurant, a new gate and office space for airport administration. The airport averages about 175 takeoffs and landings per day. The new terminal is 7,000 square feet, which is about double the size of the previous terminal, built in 1958.