Related Clues:
- Environmental portmanteau
- Vista spoiler
- Urban air problem
- Break a pledge?
- Mental cloudiness
- Skyline haze
- Return manuscript with green light for air pollution
- Indistinctness
- Portmanteau that, when heavy, hampers driver
- Emissions consequence
- Los Angeles haze
- Cause of a bad air day
- Polecat produces foul air
- San Joaquin Valley concern
- Beijing environmental issue