Abstract
<p class="AbstractL-MAG">Air is one of the most important elements of life for living things in the world. For humans, the air is an element that is very concerned because it is related to health. In Jakarta, the Air Pollution Standard Index (ISPU) is ranked second as the capital city of a country with poor air quality. Air quality in Jakarta is monitored by an Air Quality Index (AQI) of 160 with parameters in the form of very small pollutant particles with a diameter of fewer than 2.8 micrometres (PM 2.8). The purpose of this research is how we make a tool that can determine the quality of the air around us and can be carried (portable) anywhere easily. In accordance with the 4.0 industrial revolution that everything has been integrated with the Internet of Things (IoT) technology where the public can find out the air condition in real-time. In this study, the prototype method is used as a test. The main components are sensors consisting of MQ-6 (CO<sub>2</sub> and smoke), MQ-7 (CO, LPG, CH<sub>4</sub>), MQ135 (Butane, AirQuality), and DHT-11 (Humidity, temperature). From the research that has been done where the air quality in urban areas has a low air quality index by measuring it using a prototype consisting of a gas sensor and Arduino microcontroller, which has been made to produce an average CO<sub>2</sub> of 25 ppm, CO 2330 which has exceeded the threshold, while NH<sub>3</sub> 1.23 and C<sub>4</sub>H<sub>10</sub> 1120 are still below the threshold. These values are influenced by pollutants generated by transportation such as motorbikes, cars, and land transportation</p>
Highlights
The main objective of the Air Quality Monitoring and Decision Support System in Semarang City Using this internet of things (IoT) is that air pollution is a problem that is currently very important to be overcome. This system is for monitoring air quality [1][2]; and keeping it under control for a healthier future and healthier life for all
Industrialization and urbanization have caused widespread problems related to environmental pollution of water, air, and land [9]
Researching the air quality monitoring system with IoT produces a product, namely a tool to measure the condition of the air around us using 3 gas sensors, namely MQ 7, MQ 6, and MQ 135
Summary
The main objective of the Air Quality Monitoring and Decision Support System in Semarang City Using this IoT is that air pollution is a problem that is currently very important to be overcome. This system is for monitoring air quality [1][2]; and keeping it under control for a healthier future and healthier life for all. The risky effects of the pollution include some allergic reactions that cause eye, nose and throat irritation. It can cause inflammation within the lungs which opens the way to problems such as bronchitis, heart disease, pneumonia, worsening lung and asthma[3]
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