| Answer | Crossword Clue |
|---|---|
| MOLD | Air duct problem |
| VENT | Air duct |
| VENT | Air duct. |
| FLUE | Air duct |
| SMOG | Air problem |
| SMAZE | Urban air problem |
| SMOG | Urban air problem |
| DISORDERLYDUCT | Air conditioning problem? |
| LEAK | Air mattress problem |
| SMOG | City air problem. |
| NOSHOW | Air-booking problem |
| JETLAG | Air-travel problem |
| SMOG | Houston air problem |
| SMOG | Los Angeles air problem |
| SMOG | L.A. air problem |
| ACIDRAIN | Environmental problem addressed in the Clean Air Act |
