Articles | Volume 20, issue 17
Atmos. Chem. Phys., 20, 10279–10293, 2020
Atmos. Chem. Phys., 20, 10279–10293, 2020

Research article 04 Sep 2020

Research article | 04 Sep 2020

Contrasting impacts of two types of El Niño events on winter haze days in China's Jing-Jin-Ji region

Xiaochao Yu et al.

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Short summary
There are statistically significant positive and negative correlations, respectively, between winter haze days (WHDs) in China's Jing-Jin-Ji region and eastern Pacific and central Pacific El Niño events. These opposite changes in WHDs are attributable to the anomalies of both large-scale circulation and local synoptic conditions corresponding to two types of El Niño. Our study highlights the importance of distinguishing the impacts of two types of El Niño on winter haze pollution in this region.
Final-revised paper