Air cleaning apparatus

[0001]FIG. 1 is a front, left side and top perspective view of an air cleaning apparatus comprising a new, original and ornamental design;

[0002]FIG. 2 is a left view thereof;

[0003]FIG. 3 is a right view thereof;

[0004]FIG. 4 is a front view thereof;

[0005]FIG. 5 is a back view thereof;

[0006]FIG. 6 is a top view thereof; and,

[0007]FIG. 7 is a bottom view thereof.

[0008]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.