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印度北部医院室内空气质量评估及其相互关系——一项横断面研究。

Assessment of indoor air quality and their inter-association in hospitals of northern India-a cross-sectional study.

作者信息

Taushiba Anam, Dwivedi Samridhi, Zehra Farheen, Shukla Pashupati Nath, Lawrence Alfred J

机构信息

Department of Chemistry, Isabella Thoburn College, Lucknow, India.

Lucknow, India Department of Environmental Science, Integral University.

出版信息

Air Qual Atmos Health. 2023;16(5):1023-1036. doi: 10.1007/s11869-023-01321-4. Epub 2023 Mar 4.

DOI:10.1007/s11869-023-01321-4
PMID:37213469
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9985081/
Abstract

This study was commenced to evaluate the indoor and outdoor air quality concentrations of PM, sub-micron particles (PM, PM, PM, PM, and PM), heavy metals, and microbial contaminants along with their identification in three different hospitals of Lucknow City. The study was conducted from February 2022 to April 2022 in hospitals situated in the commercial, residential, and industrial belts of the city. The indoor concentration trend of particulate matter as observed during the study suggested that most of the highest concentrations belonged to the hospital situated in an industrial area. The highest obtained indoor and outdoor concentrations for PM, PM, PM, and PM are 40.44 µg/m, 56.08 µg/m, 67.20 µg/m, 74.50 µg/m, 61.9 µg/m, 79.3 µg/m, 82.0 µg/m, and 93.9 µg/m, respectively, which belonged to hospital C situated in the industrial belt. However, for PM, the highest indoor concentration obtained belonged to hospital B, i.e., 30.7 µg/m, which is situated in the residential belt of the city. Regarding PM, the highest indoor and outdoor concentrations obtained are 149.41 µg/m and 227.45 µg/m, which were recorded at hospital A and hospital C, respectively. The present study also observed that a high bacterial load of 1389.21 CFU/m is recorded in hospital B, and the fungi load was highest in hospital C with 786.34 CFU/m. Henceforth, the present study offers thorough information on the various air pollutants in a crucial indoor setting, which will further aid the researchers in the field to identify and mitigate the same more precisely.

摘要

本研究旨在评估勒克瑙市三家不同医院室内外空气中颗粒物（PM）、亚微米颗粒（PM、PM、PM、PM和PM）、重金属及微生物污染物的浓度，并对其进行识别。该研究于2022年2月至2022年4月在该市商业、住宅和工业带的医院中进行。研究期间观察到的颗粒物室内浓度趋势表明，大多数最高浓度出现在位于工业区的医院。PM、PM、PM和PM获得的最高室内外浓度分别为40.44μg/m、56.08μg/m、67.20μg/m、74.50μg/m、61.9μg/m、79.3μg/m、82.0μg/m和93.9μg/m，均属于位于工业带的医院C。然而，对于PM，获得的最高室内浓度属于位于该市住宅带的医院B，即30.7μg/m。关于PM，获得的最高室内和室外浓度分别为149.41μg/m和227.45μg/m，分别记录于医院A和医院C。本研究还观察到，医院B记录到高细菌载量为1389.21CFU/m，医院C的真菌载量最高，为786.34CFU/m。因此，本研究提供了关键室内环境中各种空气污染物的详尽信息，这将进一步帮助该领域的研究人员更精确地识别和减轻这些污染物。

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