The 5th is expected to be generally clear across the country, with large temperature differences between day and night.

On April 4, citizens visiting the National Museum of Korea in Yongsan-gu, Seoul, see a blue sky behind them as the fine dust concentration shows a 'good' level nationwide. /Courtesy of Yonhap News Agency

The morning low temperature is forecasted to be between 10 and 17 degrees, while the daytime high is expected to be between 24 and 30 degrees. Seoul is forecasted to reach a high of 27 degrees, and Daegu is expected to hit 30 degrees.

The temperature difference between day and night will be approximately 15 degrees, especially in the inland areas. The fine dust concentration is expected to be at a 'good' level across all regions.

The sea waves are expected to range from 0.5 to 1.5 meters in the East Sea and South Sea offshore, and from 0.5 to 1.0 meters in the West Sea offshore. The wave heights in the inner sea (about 200 km from the coastline) are projected to be 0.5 to 2.0 meters in the East Sea and South Sea, and 0.5 to 1.5 meters in the West Sea.