Abstract
This research aims to offer a fuzzy approach for calculating Tehran's air pollution index. The method is based on fuzzy analysis model, and uses the information about air quality index (AQI), included on the website of Tehran’s Air Quality Monitoring And Supervision Bureau. The contrived fuzzy logic is considered a powerful tool for demonstrating the information associated with uncertainty. In the end, several graphs visualize this inferential system in various levels of pollution.
Highlights
Air is one of the 5 essential elements for humans to stay alive
Air Quality Monitoring And Supervision Bureau converts air-quality data in mega-cities into air-quality index (AQI) (Kyrkilis et al, 2007; Gurjar et al, 2008); AQI is a key index for understanding airquality and its relation with human's health
Definition of Fuzzy Sets and Fuzzification: This study defines the fuzzy sets in compliance with objectives of this research for designing the fuzzy inference system. 5 main factors including quality of carbon monoxide, quality of nitrogen dioxide, quality of air particles, quality of sulfur dioxide and quality of ozone, are the key factors that define the quality of breathing air
Summary
Air is one of the 5 essential elements for humans to stay alive. Each person breathes a daily average of 22,000 times, and requires about 15 kilograms of air every day. AQI is a general index for daily prediction of air quality. This index informs people about air quality, being clean or polluted, and associates air quality with human's health. AQI demonstrates the level of air-pollution effect on human's health, and lets the general public have a better understanding of the fact (Tehran's Air Quality Report, 2013). Some pollutants might be harmful to a few people with certain health conditions. Apart from special groups, this level of air pollution does not influence on the general public. Unhealthy: AQI is between 201 and 300 This is serious alerting condition for human's health, and is considered an emergency situation. All the society members will be affected in such environment
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