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The effect of temperature and humidity of air on the concentration of particulate matter - PM2.5 and PM10
Atmospheric Research ( IF 4.5 ) Pub Date : 2024-10-21 , DOI: 10.1016/j.atmosres.2024.107733
E. Zender-Świercz, B. Galiszewska, M. Telejko, M. Starzomska

Particulate matters accepted as air quality markers are also indicators of the health risk of the population, especially children, because of their increased susceptibility to the quality of the air they breathe. Understanding the correlations between the concentration of particulate matter in the outdoor air and meteorological conditions will help to take steps to reduce pollution and reduce the risk of threats to health and life. For many years, scientists from all over the world have been looking for relationship between the impact of meteorological conditions on the concentration of particulate matter. Despite this, it is still not known whether the relationships will be similar in all locations. Furthermore, there is no agreement among scientists on the direction and strength of the correlation between temperature, humidity, and particulate matter concentrations. The article presents an attempt to link the impact of meteorological conditions on particulate matter concentrations depending on the classification of the area into air quality index in the particulate matter (AQIPM) category. Three locations with a specific air quality index were included: extremely poor, moderate & fair and good. The research was carried out at nine locations near educational facilities. Four measurement series were carried out for each location. Spearman's correlation coefficient was used to assess the relationship with an assumed significance level of 0.05. A research hypothesis was adopted: The correlation between particulate matter and meteorological conditions is different in locations with different AQIPM. The results obtained clearly show that the relationships between meteorological conditions and the concentration of particulate matter depend on the classification of the area into a specific category of the air quality index. The strongest correlation occurs in the fair & moderate AQIPM area. In relation to temperature, there is a negative correlation, and in relation to humidity, positive. In the extremely poor AQIPM area, no relationship was observed between humidity and particulate matter concentration. In the good AQIPM area, the correlation in relation to temperature was very weak, in relation to humidity, weak.

中文翻译:


空气温度和湿度对颗粒物浓度 - PM2.5 和 PM10 的影响



被接受为空气质量标志物的颗粒物也是人口(尤其是儿童)健康风险的指标,因为他们对所呼吸的空气质量更加敏感。了解室外空气中颗粒物浓度与气象条件之间的相关性将有助于采取措施减少污染并降低对健康和生命构成威胁的风险。多年来,来自世界各地的科学家一直在寻找气象条件对颗粒物浓度的影响之间的关系。尽管如此,目前尚不清楚所有地方的关系是否相似。此外,科学家们对于温度、湿度和颗粒物浓度之间相关性的方向和强度没有达成一致。本文试图将气象条件对颗粒物浓度的影响联系起来,具体取决于该地区的空气质量指数分类为颗粒物 (AQIPM) 类别中的空气质量指数。包括了三个具有特定空气质量指数的地方:极差、中等和一般以及良好。该研究在教育设施附近的 9 个地点进行。对每个位置进行了四个测量系列。使用 Spearman 相关系数评估假设显著性水平为 0.05 的关系。采用了一个研究假设:颗粒物与气象条件之间的相关性在具有不同 AQIPM 的位置是不同的。 获得的结果清楚地表明,气象条件与颗粒物浓度之间的关系取决于将该地区分类为空气质量指数的特定类别。最强的相关性出现在一般和中等的AQIPM区域。与温度呈负相关,与湿度呈正相关。在 AQIPM 极差地区,未观察到湿度与颗粒物浓度之间存在关系。在 AQIPM 良好的地区,与温度相关的相关性非常弱,与湿度相关的相关性很弱。
更新日期:2024-10-21
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