Related Clues:

• Sound as if I must have blocked air passage
• Smoky fog
• Pollution haze/fog
• Pollutant haze
• Pollution finally chokes cat
• Row one? That's in front part of vehicle
• Their wings made it for MacKinlay Kantor
• In row backing East Jerusalem
• Disturbing sound
• Pollution fog
• Reversed damage in organ that's lost large sound
• Sleeping principally beside cat — that's bad for the chest
• Unstructured sound
• Sound of hooter around one
• Snitch about one's explosive report, for example