Monitoring Indoor Air Quality Using Low-Cost IoT
Measuring air quality in some regions under non-ideal circumstances is still a challenge. In many third-world countries, acquiring expensive air quality testing equipment is beyond capacity. Monitoring non-healthy environments in such regions is vital, so we implemented a low-cost IoT indoor air qu...
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| Language: | English |
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middle technical university
2025-06-01
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| Series: | Journal of Techniques |
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| Online Access: | https://journal.mtu.edu.iq/index.php/MTU/article/view/1987 |
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| author | Mohanad Mahmood Kamal Y. Kamal Saif S. Hussein |
| author_facet | Mohanad Mahmood Kamal Y. Kamal Saif S. Hussein |
| author_sort | Mohanad Mahmood |
| collection | DOAJ |
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Measuring air quality in some regions under non-ideal circumstances is still a challenge. In many third-world countries, acquiring expensive air quality testing equipment is beyond capacity. Monitoring non-healthy environments in such regions is vital, so we implemented a low-cost IoT indoor air quality tester. The system comprises attached field instrument sensors and a WiFi-to-cloud monitoring unit. The sensing unit includes Arduino UNO attached to MQ-7, CCS811, and MQ-137 sensors to measure carbon monoxide (CO), carbon dioxide (CO2), and the total volatile organic compounds (TVOCs), and NH3, respectively. The sensors also include the DHT11 to measure temperature (T) and relative humidity (RH). To collect data from distributed field sensing devices and monitor it on the ThingSpeak website, an NRF24l01+ wireless model is connected to each data logger and the central data collector ESP32. The proposed low-cost system was operated in one of the higher education buildings of the Middle Technical University, measuring the concentrations of the most common air quality factors (CO, CO2, NH3, TVOC, RH, and T).
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| format | Article |
| id | doaj-art-ff9b74bf932c4fadba7f9c848134e904 |
| institution | Matheson Library |
| issn | 1818-653X 2708-8383 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | middle technical university |
| record_format | Article |
| series | Journal of Techniques |
| spelling | doaj-art-ff9b74bf932c4fadba7f9c848134e9042025-07-01T14:12:31Zengmiddle technical universityJournal of Techniques1818-653X2708-83832025-06-017210.51173/jt.v7i2.1987Monitoring Indoor Air Quality Using Low-Cost IoTMohanad Mahmood0Kamal Y. Kamal1Saif S. Hussein2Institute of Technology / Baghdad, Middle Technical University, Baghdad, IraqSchool of Engineering, University of Guelph, Guelph, Ontario, CanadaCollege of Remote Sensing and Geophysics, Al-Karkh University of Science, Baghdad, Iraq Measuring air quality in some regions under non-ideal circumstances is still a challenge. In many third-world countries, acquiring expensive air quality testing equipment is beyond capacity. Monitoring non-healthy environments in such regions is vital, so we implemented a low-cost IoT indoor air quality tester. The system comprises attached field instrument sensors and a WiFi-to-cloud monitoring unit. The sensing unit includes Arduino UNO attached to MQ-7, CCS811, and MQ-137 sensors to measure carbon monoxide (CO), carbon dioxide (CO2), and the total volatile organic compounds (TVOCs), and NH3, respectively. The sensors also include the DHT11 to measure temperature (T) and relative humidity (RH). To collect data from distributed field sensing devices and monitor it on the ThingSpeak website, an NRF24l01+ wireless model is connected to each data logger and the central data collector ESP32. The proposed low-cost system was operated in one of the higher education buildings of the Middle Technical University, measuring the concentrations of the most common air quality factors (CO, CO2, NH3, TVOC, RH, and T). https://journal.mtu.edu.iq/index.php/MTU/article/view/1987Air QualityArduinoIoTOnline MonitoringThinkSpeak |
| spellingShingle | Mohanad Mahmood Kamal Y. Kamal Saif S. Hussein Monitoring Indoor Air Quality Using Low-Cost IoT Journal of Techniques Air Quality Arduino IoT Online Monitoring ThinkSpeak |
| title | Monitoring Indoor Air Quality Using Low-Cost IoT |
| title_full | Monitoring Indoor Air Quality Using Low-Cost IoT |
| title_fullStr | Monitoring Indoor Air Quality Using Low-Cost IoT |
| title_full_unstemmed | Monitoring Indoor Air Quality Using Low-Cost IoT |
| title_short | Monitoring Indoor Air Quality Using Low-Cost IoT |
| title_sort | monitoring indoor air quality using low cost iot |
| topic | Air Quality Arduino IoT Online Monitoring ThinkSpeak |
| url | https://journal.mtu.edu.iq/index.php/MTU/article/view/1987 |
| work_keys_str_mv | AT mohanadmahmood monitoringindoorairqualityusinglowcostiot AT kamalykamal monitoringindoorairqualityusinglowcostiot AT saifshussein monitoringindoorairqualityusinglowcostiot |