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Abstract:
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Air quality standards vary among different countries of the world. While some nations, such as the United States, support their standards with enforcement mechanisms, other countries do not integrate implementation regulations into their policies. Furthermore, while the World Health Organization suggests health-based air quality standards, no international norms exist that regulate air quality. This discrepancy among different nations and their air quality standards forms the basis of our research. We have compiled a list of the air quality standards for different pollutants of different nations and regional bodies such as the European Union. The stringent World Health Organization standards are also included in this comparison. Additionally, we have compiled a comprehensive analysis of the enforcement policies for the different countries.
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