Related Clues:
- Industrial haze
- Crash accompanier
- Construction-site by-product
- Clamour
- Urban concern
- Atmospheric pollution
- Reason for an air quality alert
- Houston air problem
- Factory overhead?
- Assault on the eardrums
- Metropolitan hangover?
- Snap, crackle, or pop
- Some urban pollution
- Hazardous haze
- Feature of a bad air day?