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March's Uninvited Guest, This Year's Worst: 5 Reasons China's Fine Dust at 'Very Bad' Levels Is Threatening Korea's Health and Daily Life
From March 2–3, 2026, high-concentration fine dust from China is blanketing the entire country, pushing air quality to 'Very Bad' levels. March is the month with the highest average PM2.5 concentration of the year (average 26㎍/㎥, most 'Bad' days annually), requiring extra caution from those with cardiovascular and respiratory conditions.
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