| SMOG | A combination of smoke and fog |
| SMOG | A suffocating blanket found in cities |
| SMOG | Air Quality Index factor |
| SMOG | Air apparent? |
| SMOG | Air condition |
| SMOG | Air condition? |
| SMOG | Air pollutant |
| SMOG | Air pollution |
| SMOG | Air pollution common in Los Angeles and Mexico City |
| SMOG | Air pollution in Los Angeles, for example |
| SMOG | Air pollution portmanteau |
| SMOG | Air pollution problem |
| SMOG | Air pollution problem in many large cities |
| SMOG | Air pollution seen in urban areas |
| SMOG | Air pollution that is quite literally a "smoky fog" |
| SMOG | Air pollution that limits visibility |
| SMOG | Air pollution that obscures a skyline |
| SMOG | Air pollution that's a major problem in China |
| SMOG | Air pollution that's bad in Beijing |
| SMOG | Air problem |
| SMOG | Air problem in Los Angeles |
| SMOG | Air problem in many large cities |
| SMOG | Air problem in many urban areas |
| SMOG | Air problem that traffic emissions contribute to |
| SMOG | Air quality concern |
| SMOG | Air quality index factor |
| SMOG | Air quality issue |
| SMOG | Air quality problem |
| SMOG | Air quality reducer |
| SMOG | Air that can be hazardous to breathe |
| SMOG | Air that makes you go [cough, cough] |
| SMOG | Airborne urban hazard |
| SMOG | Air-pollution portmanteau |
| SMOG | Alert subject |
| SMOG | Asthma trigger |
| SMOG | Atmospheric condition that can be caused by wildfires |
| SMOG | Atmospheric pollutant |
| SMOG | Atmospheric pollution |
| SMOG | Bad air |
| SMOG | Bad air day problem |
| SMOG | Bad air to breathe |
| SMOG | Beijing air pollution |
| SMOG | Beijing air problem |
| SMOG | Beijing blanket |
| SMOG | Beijing environmental concern |
| SMOG | Beijing environmental problem |
| SMOG | Beijing problem |
| SMOG | Beijing skyline haze |
| SMOG | Big city problem |
| SMOG | Blanket of pollution in urban cities |
| SMOG | Blanket produced in Mexico City |
| SMOG | Car exhaust can contribute to it |
| SMOG | Cause for some alerts |
| SMOG | Cause of a bad air day |
| SMOG | Cause of a bad air day? |
| SMOG | Cause of an air alert |
| SMOG | Cause of an air quality alert |
| SMOG | Cause of bad air quality |
| SMOG | Cause of respiratory woes |
| SMOG | Cause of some breathing problems |
| SMOG | Cause of some urban coughs |
| SMOG | Choking cause |
| SMOG | City air pollution |
| SMOG | City blight |
| SMOG | City choker |
| SMOG | City hazard |
| SMOG | City haze |
| SMOG | City pall |
| SMOG | City pollution |
| SMOG | City skyline obscurer |
| SMOG | City's polluted concoction |
| SMOG | Cityscape obscurer |
| SMOG | Clean Air Act concern |
| SMOG | Clean Air Act target |
| SMOG | Cloud of crud |
| SMOG | Cocktail of smoke and fog |
| SMOG | Combination of fog and smoke, a leading cause of lung diseases in polluted regions |
| SMOG | Consequence of traffic emissions |
| SMOG | Contributor to low visibility |
| SMOG | Cough cause |
| SMOG | Dangerous Beijing blanket |
| SMOG | Dangerous blanket |
| SMOG | Dark cloud on the horizon? |
| SMOG | Dark fog |
| SMOG | Dirty 38 Down |
| SMOG | Dirty air |
| SMOG | Dirty blanket |
| SMOG | E.P.A. concern |
| SMOG | EPA concern |
| SMOG | Effect of auto exhaust |
| SMOG | Emissions concern |
| SMOG | Emissions product |
| SMOG | Emissions result |
| SMOG | Environmental bane |
| SMOG | Environmental concern |
| SMOG | Environmental menace |
| SMOG | Environmental portmanteau |
| SMOG | Eye irritant |
| SMOG | Eye-irritating pollution |
| SMOG | Factor in an air quality rating |
| SMOG | Factory fallout |
| SMOG | Fog intensified by smoke |
| SMOG | Fog mixed with smoke |
| SMOG | Fog that has combined with excessive smoke in the air, often leading to a lot of lung diseases |
| SMOG | Fog that is made worse due to smoke and other pollutants |
| SMOG | Foggy air pollution |
| SMOG | Foggy haze |
| SMOG | Form of air pollution over a big city |
| SMOG | Form of pollution |
| SMOG | Freeway byproduct |
| SMOG | Golden ___ of Minneapolis |
| SMOG | Gray blanket |
| SMOG | Gray skies, maybe |
| SMOG | Grimy air |
| SMOG | Hangover in Los Angeles? |
| SMOG | Hangover in the big city? |
| SMOG | Hazardous haze |
| SMOG | Hazardous haze over a city |
| SMOG | Hazardous haze over city streets, say |
| SMOG | Hazardous urban haze |
| SMOG | Hazardous urban pollution |
| SMOG | Haze |
| SMOG | Haze above a city |
| SMOG | Haze caused by cars, e.g. |
| SMOG | Haze combined with smoke |
| SMOG | Haze from pollution |
| SMOG | Haze in cities |
| SMOG | Haze mixed with smoke |
| SMOG | Haze of pollution |
| SMOG | Haze over Beijing |
| SMOG | Haze over Los Angeles |
| SMOG | Haze over Los Angeles, for example |
| SMOG | Haze over a city |
| SMOG | Haze over an urban area |
| SMOG | Haze that obscures a skyline |
| SMOG | Hazy air pollution |
| SMOG | Hazy air stuff |
| SMOG | Hazy atmospheric pollution |
| SMOG | Hazy health hazard |
| SMOG | Hazy pollution |
| SMOG | Hazy pollution in a big city |
| SMOG | Hazy stuff |
| SMOG | Hazy urban blanket |
| SMOG | Hazy urban pollution |
| SMOG | Health hazard |
| SMOG | Heavy dark fog |
| SMOG | Heavy urban pollution |
| SMOG | Industrial haze |
| SMOG | Industrial portmanteau |
| SMOG | Industrial settler? |
| SMOG | Intense smoke |
| SMOG | It can leave you breathless |
| SMOG | It may be difficult to drive in |
| SMOG | It may be thick in Houston |
| SMOG | It may be thick in L.A. or Houston |
| SMOG | It might be created by stubble burning |
| SMOG | It might hang over your head |
| SMOG | It might make you short of breath |
| SMOG | It might prevent you from seeing the stars in Hollywood |
| SMOG | It's a portmanteau, but not for "small dog" |
| SMOG | It's hard to see through |
| SMOG | It's hardly a breath of fresh air |
| SMOG | Kind of alert |
| SMOG | Kind of pollution |
| SMOG | L.A. layer |
| SMOG | La weather problem |
| SMOG | Layer of haze |
| SMOG | Layer over some cities |
| SMOG | Little towns lack this |
| SMOG | Londoner's pea soup, back in the '60s |
| SMOG | Los Angeles environmental concern |
| SMOG | Los Angeles skyline haze |
| SMOG | Los Angeles woe |
| SMOG | Major visibility problem in Hong Kong |
| SMOG | Material for urban lungs |
| SMOG | Metropolitan air problem |
| SMOG | Metropolitan hangover? |
| SMOG | Metropolitan haze |
| SMOG | Metropolitan menace |
| SMOG | Metropolitan visibility problem |
| SMOG | Metro-area haze |
| SMOG | Mexico City sight |
| SMOG | Minneapolis "supergroup" Golden ___ |
| SMOG | Mixed smoke and pollutants |
| SMOG | Mixture of smoke and fog |
| SMOG | Mixture of smoke and fog? |
| SMOG | Mixture of smoke, fog and chemical fumes |
| SMOG | Nasty hangover? |
| SMOG | Obscurer of the Wilshire Grand Center, perhaps |
| SMOG | Overhead cost of manufacturing? |
| SMOG | Polluted air |
| SMOG | Polluted haze in the air |
| SMOG | Polluted haze that worsens asthma |
| SMOG | Polluted layer over some cities |
| SMOG | Polluted mist |
| SMOG | Pollution |
| SMOG | Pollution blanketing a big city |
| SMOG | Pollution concern |
| SMOG | Pollution concern in cities |
| SMOG | Pollution concoction |
| SMOG | Pollution factor |
| SMOG | Pollution from car emissions, in part |
| SMOG | Pollution hanging over a metropolis |
| SMOG | Pollution in big cities |
| SMOG | Pollution in cities |
| SMOG | Pollution in the sky |
| SMOG | Pollution partly caused by car exhaust |
| SMOG | Pollution portmanteau |
| SMOG | Pollution problem |
| SMOG | Pollution that affects the Air Quality Index |
| SMOG | Pollution that can be caused by factory smokestacks |
| SMOG | Pollution that car emissions contribute to |
| SMOG | Pollution that factors in the Air Quality Index |
| SMOG | Pollution that hinders visibility |
| SMOG | Pollution that may sting the eyes |
| SMOG | Pollution that often obscures the L.A. skyline |
| SMOG | Pollution that reduces visibility |
| SMOG | Pollution whose name is a combination of "smoke" and "fog" |
| SMOG | Portmanteau for urban air pollution |
| SMOG | Portmanteau of smoke and fog |
| SMOG | Portmanteau pollution mixture |
| SMOG | Possible cause of a cough |
| SMOG | Possible cause of heavy breathing |
| SMOG | Potential cause of a respiratory problem |
| SMOG | Q: What happens when the ___ clears over Los Angeles? A: UCLA! |
| SMOG | Reason for a bad air day? |
| SMOG | Reason for an air quality alert |
| SMOG | Reason for an air quality alert in Beijing or Los Angeles |
| SMOG | Result of atmospheric inversion |
| SMOG | San Joaquin Valley haze |
| SMOG | San Joaquin Valley problem |
| SMOG | Scenery spoiler |
| SMOG | Second cat in bad air |
| SMOG | Sign of air pollution |
| SMOG | Skyline haze |
| SMOG | Skyline hider |
| SMOG | Skyline obscurer |
| SMOG | Skyline-obscuring pollution |
| SMOG | Smelly city air |
| SMOG | Smoke + Fog = ___? |
| SMOG | Smoke and fog |
| SMOG | Smoke and fog mixture |
| SMOG | Smoke and fog pollution |
| SMOG | Smoke and fog together? |
| SMOG | Smoke haze |
| SMOG | Smokey polluted blanket for a city |
| SMOG | Smoky fog |
| SMOG | Smoky haze |
| SMOG | Some air pollution |
| SMOG | Some urban air |
| SMOG | Subject of an exhaustive E.P.A. study? |
| SMOG | Subject of some urban alerts |
| SMOG | Suffocating blanket |
| SMOG | Suffocating blanket of air |
| SMOG | Suffocating city blanket? |
| SMOG | Suffocating urban blanket |
| SMOG | Suffocating urban blanket? |
| SMOG | Suffocating urban haze |
| SMOG | Sun blocker |
| SMOG | Target of clean air laws |
| SMOG | Thick layer of fog polluted with smoke |
| SMOG | Thick polluted mist |
| SMOG | Thick pollution found in cities |
| SMOG | This may take your breath away in China |
| SMOG | Type of air pollution that is a combination of smoke and fog |
| SMOG | Type of pollution for which Los Angeles is known |
| SMOG | Unfresh air |
| SMOG | Unhealthful haze |
| SMOG | Unhealthy air |
| SMOG | Unhealthy air to inhale |
| SMOG | Unhealthy haze in Beijing |
| SMOG | Unhealthy haze over a large city |
| SMOG | Unhealthy mist |
| SMOG | Unhealthy urban haze |
| SMOG | Unhealthy visibility reducer |
| SMOG | Unpleasant hangover? |
| SMOG | Unwanted blanket |
| SMOG | Unwanted cloud |
| SMOG | Unwelcome cloud |
| SMOG | Urban air concern |
| SMOG | Urban air pollutant |
| SMOG | Urban air pollution |
| SMOG | Urban air problem |
| SMOG | Urban alert cause |
| SMOG | Urban bane |
| SMOG | Urban blanket |
| SMOG | Urban blight |
| SMOG | Urban concern |
| SMOG | Urban eye irritant |
| SMOG | Urban haze |
| SMOG | Urban haze caused by pollution |
| SMOG | Urban ill |
| SMOG | Urban miasma |
| SMOG | Urban obscurer |
| SMOG | Urban pall |
| SMOG | Urban pollutant |
| SMOG | Urban pollution |
| SMOG | Urban pollution problem |
| SMOG | Urban pollution result |
| SMOG | Urban pollution that may spoil the city skyline |
| SMOG | Urban portmanteau |
| SMOG | Urban problem |
| SMOG | Urban view obscurer |
| SMOG | Urban visibility hazard |
| SMOG | Urban woe |
| SMOG | Urban-air woe |
| SMOG | Urban-valley concern |
| SMOG | View blocker |
| SMOG | View disrupter |
| SMOG | Visibility problem |
| SMOG | Visibility problem at an airport, perhaps |
| SMOG | Visibility problem in Mexico City |
| SMOG | Visibility reducer |
| SMOG | Visibility reducer in big cities |
| SMOG | Visibility reducing pollution |
| SMOG | Visibility spoiler |
| SMOG | Visible air pollution |
| SMOG | Visible pollution |
| SMOG | Visible pollution in the air |
| SMOG | Visible urban pollution |
| SMOG | Vision hazer |
| SMOG | Vista spoiler |
| SMOG | What can take your breath away in L.A.? |
| SMOG | What do you get when you mix smoke and fog? |
| SMOG | __ alert |