Related Clues:

• Los Angeles woe
• Portmanteau pollution mixture
• Thing to steer clear of
• Something in the air
• It may be difficult to drive in
• Sorrow
• Concrete problem
• View disrupter
• Cause of an air alert
• Unhealthy air
• It's hard to see through
• Urban problem
• Place for a patch
• Metro-area haze
• Big city problem