photochemical smog（都市部の静かな大気中で）とは - 英語 - 多言語

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photochemical smog

活用形複数形

plural of photochemical smog

原形: photochemical smog

Coastal cities often experience photochemical smogs during heat waves, endangering people with respiratory conditions.

可算名詞不可算名詞

air pollution caused by photochemical reactions involving hydrocarbons, nitrogen oxides and other pollutants, especially in still air over cities.

On hot summer afternoons, photochemical smog settled over the city, reducing visibility and aggravating asthma.