Related Clues:
- Score at snooker with difficulty — uneven surface?
- Cause of lost hubcaps
- Small feline in urban haze
- Gray skies, maybe
- Reason to clear the air?
- Deep water-carved cave
- The pool transforming cave
- Polluted haze
- Skyline-obscuring pollution
- Urban blanket
- Result of atmospheric inversion
- Smoky haze
- City air problem
- Though briefly accepted by European, unsatisfactory road feature
- Industrial settler?