Association Between Air Pollution Exposure and Respiratory Function Decline in Urban Adults: A Cross-Sectional Study

In our cross-sectional study examining the association between air pollution exposure and respiratory function decline in urban adults, we found compelling evidence of a significant relationship. Over a span of six months, we assessed respiratory function using spirometry measurements among 500 participants living in densely populated urban areas with varying levels of air pollution. Our results indicate a clear correlation between higher levels of particulate matter and nitrogen dioxide exposure and decreased lung function parameters, such as forced expiratory volume in one second (FEV1) and forced vital capacity (FVC). These findings underscore the critical impact of urban air quality on respiratory health, emphasizing the need for stringent air quality regulations and public health interventions to mitigate the adverse effects of air pollution on urban populations' respiratory well-being.本研究为针对城市成年人空气污染暴露与肺功能下降关联的横断面研究（cross-sectional study），研究发现二者间存在显著关联的确凿证据。本次研究周期为六个月，我们对500名居住于空气污染水平各异的人口稠密城区的受试者，采用肺量测定法（spirometry）评估其肺功能。结果显示，颗粒物（particulate matter）与二氧化氮（nitrogen dioxide）暴露水平越高，受试者的肺功能指标（如一秒用力呼气容积（FEV1）与用力肺活量（FVC））下降越显著，二者间存在明确相关性。本研究结果凸显了城市空气质量对呼吸健康的关键影响，强调亟需制定严格的空气质量管控法规与公共卫生干预措施，以减轻空气污染对城市居民呼吸健康的不良影响。