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Article10.1089/ees.2014.0050

Assessment of Airborne Bacteria and Fungi in Various University Indoor Environments: A Case Study in Chang'an University, China

Yanpeng Li,Wei Wang,Xiao Guo,Tinglu Wang,Honglei Fu,Yue Zhao+1 more-2015-02-05-Environmental Engineering Science
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TL;DRAbstract

To quantify characteristics of bioaerosols in university indoor environments, concentration and size distribution of airborne culturable bacteria and fungi were examined in four types of buildings of Chang'an University in Xi'an, China, from March, 2012 to February, 2013. Indoor temperature and relative humidity (RH) were also measured to determine correlations between bioaerosols and environmental parameters. Results showed that concentration and size distribution of airborne bacteria and fungi varied in various indoor environments due to the appearance of different indoor sources and human occupancy. The highest mean concentrations of airborne bacteria and fungi were found in the canteen (1,025±91 and 699±57 CFU/m3), followed by the clinic and dormitories, and the lowest in classrooms (479±66 and 345±15 CFU/m3). Airborne bacteria and fungi here showed higher concentrations than those of western universities. Similar seasonal variations of airborne fungal concentrations were observed

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To quantify characteristics of bioaerosols in university indoor environments, concentration and size distribution of airborne culturable bacteria and fungi were examined in four types of buildings of Chang'an University in Xi'an, China, from March, 2012 to February, 2013. Indoor temperature and relative humidity (RH) were also measured to determine correlations between bioaerosols and environmental parameters. Results showed that concentration and size distribution of airborne bacteria and fungi varied in various indoor environments due to the appearance of different indoor sources and human occupancy. The highest mean concentrations of airborne bacteria and fungi were found in the canteen (1,025±91 and 699±57 CFU/m3), followed by the clinic and dormitories, and the lowest in classrooms (479±66 and 345±15 CFU/m3). Airborne bacteria and fungi here showed higher concentrations than those of western universities. Similar seasonal variations of airborne fungal concentrations were observed

Keywords

Indoor bioaerosolBioaerosolEnvironmental scienceRelative humidityIndoor airIndoor air qualityEnvironmental chemistryEnvironmental engineering

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