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All Journal Phi : Jurnal Pendidikan Fisika dan Terapan
Sirait, Naza Fahrul
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Earth & Planetary Sciences Education Engineering Physics Other

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Design and Implementation of a Portable Air Quality Monitoring Device Using Nova Fitness SDS011 Sensor Technology in Urban Areas Sirait, Naza Fahrul; Nengsih, Sri
Jurnal Phi: Kurnal Pendidikan Fisika & Terapan Vol 12 No 2 (2026)
Publisher : Universitas Islam Negeri Ar-Raniry

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22373/p-jpft.v12i2.32124

Abstract

This study presents the design and implementation of a portable air-quality monitoring device based on the Nova Fitness SDS011 sensor to measure PM2.5 concentrations. The system integrates a microcontroller-based processing unit with real-time data display and audio warning features. Device performance was evaluated by calibrating against a reference instrument (BAM 1020, BMKG), yielding an average measurement error of 2.43%. In addition, validation by media experts indicated a high feasibility level of 95%, confirming the device’s suitability for practical use. Field testing conducted in several urban locations revealed significant variations in PM2.5 concentration, influenced by factors such as traffic density, industrial activity, and population distribution. The results demonstrate that the proposed device provides a reliable, low-cost, and portable solution for real-time PM2.5 monitoring in urban environments. This study contributes to the development of easy-to-use tools for monitoring air quality in support of environmental awareness and educational applications.
Co-Authors sri nengsih, sri