The ornamental design for an aircleaning apparatus, substantially as shown and described.
FIG. 1 is a front, left side and top perspective view of an air cleaning apparatus comprising a new, original and ornamental design;
FIG. 2 is a left view thereof;
FIG. 3 is a right view thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a back view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines, and all areas viewable through the side planes of the article in FIGS. 1-3, depict portions of the air cleaning apparatus that form no part of the claimed design.