HIGHLIGHTS
SUMMARY
Air is an essential environmental factor, and by changing its quality, negative effects can occur in ecosystems, at the same time generating an impact on human health. Air pollution has become a pressing problem globally, and monitoring, maintaining, and even improving the air quality are topics of great interest to specialists because air can quickly transport certain amounts of pollutants, which lead to environmental damage and negative effects on human health. Air quality standards aim to protect health and the environment through various regulations, including threshold limits for air pollutants. At the international level . . .

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