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Smog is a result of a combination of photochemical reactions which involve:

1. Ground-Level Ozone (made from VOCs)

2. Nitrogen oxides.

3. Peroxyacytyl Nitrate (a dangerous gas).

4. Dirt and matter (stuff that "clogs" the air: dust and burnt matter (smoke))

Smog is linked to heavy traffic, high temperatures, and little wind, NOT CO2, a common misconception.

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13y ago

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