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Bioaerosols—airborne particles of biological origin including bacteria, fungi, viruses, pollen, and microbial fragments—play a critical role in shaping indoor air quality, particularly in enclosed environments such as homes, offices, and healthcare facilities. Their presence is influenced by various factors such as humidity, temperature, ventilation efficiency, and human activity. Exposure to elevated levels of indoor bioaerosols has been associated with a range of adverse health effects, especially respiratory conditions such as asthma, allergic rhinitis, bronchitis, hypersensitivity pneumonitis, and airborne infectious diseases like influenza and COVID-19. This paper explores the primary sources of indoor bioaerosols, their behaviour and survival in different environmental conditions, and their interactions with ventilation and HVAC systems. Furthermore, it reviews current detection and mitigation strategies, highlights epidemiological findings linking bioaerosols with respiratory morbidity, and underscores the importance of integrating environmental monitoring and engineering controls to reduce health risks. Understanding the dynamics of bioaerosol exposure is essential for developing evidence-based policies aimed at improving indoor air quality and safeguarding public health.
This study provides compelling evidence of the role indoor bioaerosols play in influencing IAQ and respiratory health in Roorkee. It highlights the need for improved ventilation, regular indoor air monitoring, and the implementation of bioaerosol exposure standards in Indian building codes. As climate change and urbanization continue to reshape the indoor environment, understanding microbial air quality will be crucial for public health policy. The findings also suggest the urgent requirement for awareness among building occupants and administrators to adopt proactive measures, such as air filtration and humidity control, to minimize bioaerosol exposure and improve overall indoor environmental health.
"Role of Bioaerosols in Indoor Air Quality and Respiratory Diseases", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.10, Issue 6, page no.a320-a332, June-2025, Available :http://www.ijrti.org/papers/IJRTI2506033.pdf
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2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator