The board of any authority may appoint an air pollution control advisory council to advise and consult with such board, and the control officer in effectuating the purposes of this chapter. The council shall consist of at least five appointed members who are residents of the authority and who are preferably skilled and experienced in the field of air pollution control, chemistry, meteorology, public health, or a related field, at least one of whom shall serve as a representative of industry and one of whom shall serve as a representative of the environmental community. The chair of the board of any such authority shall serve as ex officio member of the council and be its chair. Each member of the council shall receive from the authority per diem and travel expenses in an amount not to exceed that provided for the state board in this chapter (but not to exceed one thousand dollars per year) for each full day spent in the performance of his or her duties under this chapter.