Free air by state
Only California and Connecticut require gas stations to provide free air (details). Everywhere else, chains offer it by choice.
Alabama 107 locations Alaska 18 locations Arizona 359 locations Arkansas 37 locations CaliforniaLaw 5,764 locations Colorado 256 locations ConnecticutLaw 501 locations Delaware 50 locations District of Columbia 1 location Florida 761 locations Georgia 540 locations Hawaii 8 locations Idaho 89 locations Illinois 185 locations Indiana 288 locations Iowa 193 locations Kansas 132 locations Kentucky 122 locations Louisiana 57 locations Maine 1 location Maryland 171 locations Massachusetts 18 locations Michigan 284 locations Minnesota 296 locations Mississippi 48 locations Missouri 162 locations Montana 42 locations Nebraska 36 locations Nevada 77 locations New Hampshire 7 locations New Jersey 502 locations New Mexico 42 locations New York 607 locations North Carolina 375 locations North Dakota 18 locations Ohio 426 locations Oklahoma 96 locations Oregon 176 locations Pennsylvania 676 locations Rhode Island 4 locations South Carolina 196 locations South Dakota 29 locations Tennessee 167 locations Texas 908 locations Utah 126 locations Vermont 33 locations Virginia 429 locations Washington 270 locations West Virginia 110 locations Wisconsin 538 locations Wyoming 24 locations