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Smog - Wikipedia
Smog is a type of air pollutant. The word "smog" was coined in the early 20th century as a portmanteau of the words smoke and fog to refer to smoky fog, its opacity ...
Smog - Science Daily
Smog is a kind of air pollution, originally named for the mixture of smoke and fog in the air. Classic smog results from large amounts of coal burning in an area and ...
Smog - definition of smog by The Free Dictionary
smog (smŏg, smôg) n. 1. Fog that has become mixed and polluted with smoke. 2. A form of air pollution produced by the photochemical reaction of sunlight with ...
Smog | Definition of Smog by Merriam-Webster
Define smog: fog mixed with smoke : a cloud of dirty air from cars, factories, etc., that is usually found in cities — smog in a sentence
Smog | Define Smog at Dictionary.com
Smog definition, smoke or other atmospheric pollutants combined with fog in an unhealthy or irritating mixture. See more.
This California State Agency regulates automotive repair facilities, and licenses lamp and brake inspection stations. Also implements California's Smog Check program.
smog - National Geographic Society
Undercover During the Great Smog of 1952, coal pollution blanketed the city of London, England. More than 4,000 people died from respiratory ailments as a result.
What is Smog
The term "smog" was first used in London during the early 1900's to describe the combination of smoke and fog. What we typically call "smog" today is a mixture of ...