Risk assessment of pollen allergy in urban environments

Talib Dbouk, Nicolas Visez, Samer Ali, Isam Shahrour, Dimitris Drikakis

    Research output: Contribution to journalArticlepeer-review


    According to WHO, by 2050, at least one person out of two will suffer from an allergy disorder resulting from the accelerating air pollution associated with toxic gas emissions and climate change. Airborne pollen, and associated allergies, are major public health topics during the pollination season, and their effects are further strengthened due to climate change. Therefore, assessing the airborne pollen allergy risk is essential for improving public health. This study presents a new computational fluid dynamics methodology for risk assessment of local airborne pollen transport in an urban environment. Specifically, we investigate the local airborne pollen transport from trees on a university campus in the north of France. We produce risk assessment maps for pollen allergy for five consecutive days during the pollination season. The proposed methodology could be extended to larger built-up areas for different weather conditions. The risk assessment maps may also be integrated with smart devices, thus leading to decision-aid tools to better guide and protect the public against airborne pollen allergy.

    Original languageEnglish
    Article number21076
    JournalScientific Reports
    Issue number1
    Publication statusPublished - Dec 2022


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