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Analysis of meteorological drivers during the explosive growth process of airborne allergenic pollen
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Zhi-yi HU1, Zhao-bin SUN2, *, Yu ZHANG1, *, Han ZHANG1, Feng MA3, Yong ZHANG4, Yuan TANG1
China Environmental Science | 2026, 46(1) : 503 - 514
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China Environmental Science | 2026, 46(1): 503-514
• Environmental Toxicology and Environmental Health •
Analysis of meteorological drivers during the explosive growth process of airborne allergenic pollen
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Zhi-yi HU1, Zhao-bin SUN2, *, Yu ZHANG1, *, Han ZHANG1, Feng MA3, Yong ZHANG4, Yuan TANG1
Affiliations
  • 1.College of Ocean and Meteorology, Guangdong Ocean University, Zhanjiang 524090, China
  • 2.State Key Laboratory of Severe Weather (LASW), Chinese Academy of Meteorological Sciences (CAMS), China Meteorological Administration, Beijing 100081, China
  • 3.Yulin Meteorological Bureau, Yulin 719000, China
  • 4.Future Weather(Beijing) Technology Group Ltd, Beijing 100094, China
Published: 2026-01-20
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Meteorology is a known driver of pollen concentrations, using Yulin City in Shaanxi Province—a hotspot for pollen allergies in China—as a case study, this research integrates 2019~2021 pollen concentration data and meteorological observations. Through statistical analysis and synoptic diagnosis, we investigate the meteorological drivers of an explosive pollen surge from August 4~7, 2021. Key findings reveal:Pollen concentrations in Yulin show a clear bimodal seasonality with spring and autumn peaks. Anther dehiscence in Artemisia ordosica is triggered by rising temperature and low huidity, with winds of 1.5~3.0m/s being optimal for dispersal. Enhanced near-surface winds during the event facilitated local dispersion, but shifting wind directions impeded stable transport pathways, promoting localized accumulation. Synoptic diagnosis shows that a transition from upper-level through to a ridge, combined with mid-low-level anticyclonic activity, was critical. This pattern promoted subsidence, which suppresses atmospheric diffusion by reducing boundary-layer height and forming temperature inversions. Total cloud cover modulates surface radiation budgets and vertical motions, thereby influencing boundary-layer thermal structure. The key driver of the diurnal peaks was the synergy between periods of low cloud cover (<2oktas) and boundary-layer compression.

airborne pollen  /  explosive growth  /  meteorological factors  /  sinking movement  /  inversion temperature
胡祉懿, 孙兆彬, 张宇, 张涵, 马锋, 张勇, 唐源. 气传致敏花粉爆发性增长过程的气象成因分析. 中国环境科学, 2026 , 46 (1) : 503 -514 .
Zhi-yi HU, Zhao-bin SUN, Yu ZHANG, Han ZHANG, Feng MA, Yong ZHANG, Yuan TANG. Analysis of meteorological drivers during the explosive growth process of airborne allergenic pollen[J]. China Environmental Science, 2026 , 46 (1) : 503 -514 .
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Year 2026 volume 46 Issue 1
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Article Info
  • Receive Date：2025-09-26
  • Online Date：2026-10-08
  • Published：2026-01-20
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  • Received：2025-09-26
Funding
Affiliations
    1.College of Ocean and Meteorology, Guangdong Ocean University, Zhanjiang 524090, China
    2.State Key Laboratory of Severe Weather (LASW), Chinese Academy of Meteorological Sciences (CAMS), China Meteorological Administration, Beijing 100081, China
    3.Yulin Meteorological Bureau, Yulin 719000, China
    4.Future Weather(Beijing) Technology Group Ltd, Beijing 100094, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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