| Answer | Crossword Clue |
|---|---|
| SMOG | Bad big city air |
| SMOG | Bad air |
| MALARIA | Literally, "bad air" |
| SMOGS | Bad air conditions |
| HAZES | Bad air conditions |
| MALARIA | "Bad air," literally |
| ODOR | Something bad in the air |
| SMOG | Cause of a bad air day |
| SMOG | Cause of a bad air day? |
| SMOG | Reason for a bad air day? |
| SMOG | Feature of a bad air day? |
| SMOG | Feature of a bad air day |
| SMOG | Maker of a bad air day |
| SMOG | Sign of a bad air day |
