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May 8, 2026AtmosphereOpen Access

Summertime Biogenic Volatile Organic Compounds in China: Emissions and Their Modulation on O3 and PM2.5 Pollution

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Authors

CSChanglei SunTZTong ZhouHHHuijuan Han

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Overview

Randomized trial quantifies the effects of biogenic volatile organic compounds on ozone and PM2.5 pollution in China, suggesting improved air quality management strategies.

Key Points

  • This research aims to quantify the effects of biogenic volatile organic compounds (BVOCs) on ozone and particulate matter pollution in China during summertime.
  • Employed MEGAN and CMAQ models to simulate BVOC emissions and their interactions with air pollutants.
  • Analyzed BVOC emissions across China for July 2020, totaling 6.50 × 10^6 tons.
  • Investigation focused on regional variations and diurnal patterns of emissions.
  • In VOC-limited regions like Sichuan Basin and Yangtze River Delta, maximum O3 concentration increased by 47.36 μg m−3.
  • Most regional increments for PM2.5 were below 3 μg m−3, indicating limited impact.
  • Isoprene was the main contributor to O3 enhancement, while monoterpenes significantly influenced PM2.5 via SOA formation.

Cite This Study

Sun et al. (2026) studied this question.

synapsesocial.com/papers/69fd7e5cbfa21ec5bbf06847https://doi.org/10.3390/atmos17050473
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