Air quality indicator

Description

The patent or application file contains at least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.

1. Air quality indicator

1.1 is a top and front perspective view of an air quality indicator showing my new design;

1.2 is a top and right side perspective view thereof;

1.3 is a front perspective view thereof; and

1.4 is a top and right side perspective view thereof.

Claims

The ornamental design for an air quality indicator, as shown and described.