PHOTOS Dust blown away - but how long it will last?

The sky cleared over downtown Seoul on Thursday after dense smog that choked the country for a week was blown away. The density of airborne ultrafine dust fell to normal levels in most parts of the country. Clear skies are expected to continue through Friday, the state weather agency said. Yonhap
As the sky cleared Thursday, it was a perfect time to take a photo of Seoul's downtown area from Mount Nam. Yonhap
The view from Lotte World Tower's observation deck. Yonhap
People take advantage of the clear sky to take photos of the capital from Lotte World Tower's observation deck. Yonhap
The sky from Lotte World Tower's observation deck. Yonhap