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Is there smog in Xi?
There is smoke in this area.
The smog in Xi is very serious. Xi 'an found that there were 6 days of heavy pollution, 2 days of light pollution and 7 days of moderate pollution during air quality testing in early March. Haze and dust are very harmful and will bring great harm to human health.
Haze is mainly composed of sulfur dioxide, nitrogen oxides and inhalable particles, which combine with fog to make the sky dark and gloomy in an instant.
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