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Does Water Vapor from Natural Gas Combustion Worsen Air Quality? Reassessing the Impact of Coal-to-Gas Switching on Winter Haze in Northern China

delete2026-06-27
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PRE
AI
S
Siyue Yang
X
Xia Li *
L
Lang Liu
DOI:10.1016/j.atmosenv.2026.122205delete
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Abstract

Abstract

En 中文
• Challenges that water vapor from fossil fuels necessarily worsens winter PM2.5. • Coal-to-gas policy increased humidity but reduced PM2.5 by 10% during severe episodes. • Mechanism: humidity promotes aerosol formation and dispersion; dispersion dominates. • Policy benefits go beyond emission cuts to improving meteorological diffusion. • Uses PSM-DID and WRF-Chem to attribute observed changes to the policy.

Journal

Atmospheric Environment cover
Atmospheric Environment
IF:
3.7
Papers:
1.3K
Citations:
5.6W

Organization

N
national university of defense technology
Scholars:
3.8K
Papers: 1.2K
Citations: 0
X
xi'an jiaotong university
Scholars:
8.9W
Papers: 6.5W
Citations: 75
N
northwestern polytechnical university
Scholars:
1.0W
Papers: 3.8K
Citations: 0
C
chinese academy of sciences
Scholars:
54.9W
Papers: 44.5W
Citations: 703
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