Unverified50% confidenceFactExact time
加州理工学院化学家阿里·哈根-斯密特通过实验证明烟雾是汽车尾气中的氮氧化物与挥发性有机物在紫外线照射下光化学反应的产物，核心污染物为臭氧
1
Sources
50%
Confidence
Long-term
Relevance
7/7/2026
First Seen
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