Earth and Planetary Sciences
2 years ago

Ozone pollution on the rise in South Korean megacities, study finds.

Frontiers in Environmental Science
Temporal variability of surface air pollutants in megacities of South Korea
Taegyung Lee, Sujung Go, Yun Gon Lee, Sang Seo Park, Jinsoo Park, Ja‐Ho Koo

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Air pollutants in South Korean megacities were studied for their weekly, monthly, and yearly variations. PM 10, SO 2, NO 2, and CO levels are generally decreasing, but O 3 is increasing in all cities. Winter has high PM 10, SO 2, NO 2, and CO due to heating, while summer sees peak O 3 due to sunlight. O 3 increase is not directly linked to NO 2. Coastal cities have high SO 2 levels. Air quality varies on weekdays and weekends. Understanding these patterns can help improve air quality control in urban areas.