Related Clues:
- Waterfall spray
- San Joaquin Valley concern
- Beijing environmental issue
- Hindrance to navigation
- Pea soup, e.g
- An EPA concern
- Spray-bottle output
- Suffocating blanket
- Drizzly day phenomenon
- What can take your breath away in L.A.?
- Film noir weather condition
- Urban pollution problem
- Haze in the air
- Industrial-zone feature
- Photochemical phenomenon