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Original Article

Low Cost Sensor Networks for Air Quality Tracking on University Campuses

Shalini Ranjan1 Karmanya Singh Ravindra2 Suhas G J3 Divya4
1Assistant Professor, Department of Computer Science and Design, Dayananda Sagar Institutions, Bengaluru, Karnataka, India. 2344th year students, Department of Computer Science and Design, Dayananda Sagar Institutions, Bengaluru, Karnataka, India.

Published Online: May-August 2025

Pages: 84-90

References

[1]. Q. Wang et al., "Characteristics of PM2.5 and CO2 concentrations in university campuses: Spatial and temporal variations," Atmosphere,
vol. 15, no. 3, pp. 412-428, 2024.
[2]. Clarity.io, "Next-Gen Sensor Calibration Techniques for Low-Cost Air Quality Monitoring," Technical White Paper, 2025.
[3]. A. Gueye et al., "IoT-based real-time pollution monitoring system for urban environments," Measurement and Control, vol. 57, no. 2, pp.
125-138, 2024.
[4]. Zhang, L. & Johnson, K.K., "Performance Evaluation of Low-Cost Air Quality Sensors in Tropical Urban Environments,"
Environmental Monitoring and Assessment, vol. 196, no. 3, 2024.
[5]. Wang, J. & Subramaniam, A., "Spatial Optimization Algorithms for Environmental Sensor Networks in Academic Campuses," IEEE Internet
of Things Journal, vol. 12, no. 4, pp. 1879-1892, 2025.
[6]. Krishnan, P. et al., "ESP-NOW Reliability Study for Low-Power Sensor Networks in Challenging RF Environments," IEEE
Communications Magazine, vol. 63, no. 2, pp. 87-93, 2025.
[7]. Alves, R.M. et al., "FreeRTOS Application for Smart Campus Environmental Monitoring Systems," Sensors, vol. 25, no. 1, pp. 112-128,
2025. [8]. DSATM, "AirSafe App Deployment Report: User Engagement and Behavioral Impact Analysis," Internal Publication, 2025.
[9]. Zimmerman, N. et al., "Scalable Calibration Methods for Low-Cost Air Quality Sensor Networks in Diverse Climatic Conditions,"
Environmental Science & Technology, vol. 59, no. 8, pp. 5463-5472, 2025.
[10]. Wang, Y. & Kumar, S., "Community Science Networks for Democratizing Environmental Monitoring: A Case Study from South India,"
Citizen Science: Theory and Practice, vol. 9, no. 1, 2024.
[11]. Ramanathan, V. et al., "Field Performance of Low-Cost MQ Series Gas Sensors in Tropical Urban Environments," Sensors and
Actuators B: Chemical, vol. 368, 2024.
[12]. Rodriguez, M.A. et al., "CFD Modeling for Optimal Placement of Environmental Sensors in Complex Urban Geometries," Building
and Environment, vol. 212, pp. 108-122, 2024.
[13]. Patel, S. & Mehta, D., "Impact of Calibration Frequency on Data Quality for MQ and Electrochemical Sensors in High Humidity Regions,"
IEEE Sensors Journal, vol. 25, no. 8, pp. 4312- 4325, 2025.
[14]. Karthikeyan, L. et al., "Health Impact Assessment of Campus Air Quality Interventions: A Longitudinal Study," International
Journal of Environmental Research and Public Health, vol. 22, no. 4, 2025.
[15]. Srinivasan, R. et al., "Machine Learning Approaches for Calibration of Low-Cost Air Quality Sensors in South Asian Conditions,"
Environmental Pollution, vol. 289, 2025.

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