Related Clues:
- Polluted haze
- Skyline-obscuring pollution
- Urban blanket
- Result of atmospheric inversion
- Smoky haze
- Gaseous mist
- City air problem
- Steam, for one
- Vista blocker
- Industrial settler?
- Gray blanket?
- Small feline in urban pall
- Consequence of traffic emissions
- Steam, for instance
- Mostly light brown dust in the air?