What is another word for photochemical smog?
Pronunciation: [fˌə͡ʊtə͡ʊkˈɛmɪkə͡l smˈɒɡ] (IPA) 
Photochemical smog is a type of air pollution caused by chemical reactions involving sunlight, emissions from vehicles and industrial plants, and other pollutants. Synonyms that can be used in place of "photochemical smog" include "ground-level ozone," "urban air pollution," "photo-oxidant pollution," and "summer smog." These terms all refer to the same type of air pollution that can have detrimental effects on human health, the environment, and even structures such as buildings and monuments. Despite differences in terminology, the root cause of photochemical smog is the same - a buildup of harmful chemicals in the air we breathe.
