- - like some big-city skies
- - Like urban air, maybe
- - Polluted, in a way
- - Like Beijing
- - Like unhealthy city air
- - Like L.A. or Houston
- - Like city air
- - Polluted motorway in wet surroundings
- - As polluted air
- - Small cat is gloomy
- - Hazy with pollution
- - Unhealthy for breathing
- - Obnoxiously hazy
- - Polluted
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