FIG. 1 is a front elevation view of an air quality detecting device, showing our new design;
FIG. 2 is a rear elevation view of the embodiment shown in FIG. 1;
FIG. 3 is a left-side elevation view of the embodiment shown in FIG. 1;
FIG. 4 is a right-side elevation view of the embodiment shown in FIG. 1
FIG. 5 is top-down plan view of the embodiment shown in FIG. 1;
FIG. 6 is a bottom-up plan view of the embodiment shown in FIG. 1;
FIG. 7 is a first perspective view of the embodiment shown in FIG. 1;
FIG. 8 is a second perspective view of the embodiment shown in FIG. 1;
FIG. 9 is a first view of the air quality detecting device in a first state of use;
FIG. 10 is a second view of the air quality detecting device in a second state of use;
FIG. 11 is a third view of the air quality detecting device in a third state of use;
FIG. 12 is a fourth view of the air quality detecting device in a fourth state of use;
FIG. 13 is a fifth view of the air quality detecting device in a fifth state of use;
FIG. 14 is a sixth view of the air quality detecting device in a sixth state of use; and,
FIG. 15 is a seventh view of the air quality detecting device in a seventh state of use.
Broken lines in the figures represent the bounds of the claimed design and form no part thereof.