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Essay On Air Pollution

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Air pollution is everywhere and the polluted air can be very harmful for human. Based on Air Pollutant Index of Malaysia, the air pollutant included are ozone (O3), carbon monoxide (CO), nitrogen dioxide (NO2), sulphur dioxide (SO2) and suspended particulate matter which less than 10 microns in size or more well known as PM10. Fine particulate matter is one of the key global pollutants affecting human health such as lung cancer, cardiovascular diseases and other related diseases. This portable air monitoring devices are developed in order to help the public monitor their air quality. This device is low-cost in term of device and components also it is easy to use. Generally, this device detects PM when the particles enter the sensor box and the infrared light beam is used to sense point at the center. When the particle passed through the sensing point, the light receptor detects the scattered light. This sensor is interfaced with the Arduino Mega to show the output measured by the sensor. The amount of particle and the level of air quality conditions were …show more content…
Particulate matters are the most dangerous to human health. This is because the sizes of particles are directly linked to potential of health problems as it is within the respirable range. The respirable range is a particle with a diameter of 10 micrometers or smaller that does not exceed more than PM0.1 can easily pass through human respiratory system and deposit there. Therefore, once it is inhaled it can affect the heart and lungs, which lead to serious health effects especially to those who have asthma. Thus, with this air quality monitoring system human can prevent health problems. This portable monitoring system also helps public to monitor their air quality anytime and

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