Capital area covered in toxic smog _ 011718

Toxic smog from China to cover the capital area _032318

Korea covered in toxic smog _ 032718

Korea's western regions covered with toxic smog _ 030419

Toxic smog to cover the nation _ 022019

Harmful toxic smog covers Korea _ 030119

Toxic smog covers Korea _ 122018

Toxic smog chokes most of Korea _ 030419

Season's worst toxic smog to ease in the afternoon _ 032618

Temperatures to rise rapidly, toxic smog sweeps in tonight _ 020119

Unseasonably mild, toxic smog in the west _ 012219

Another cloud of toxic smog to blanket Beijing from Monday

Toxic smog chokes Korea _ 032718

Toxic smog blankets New Delhi

Toxic smog blankets New Delhi

South Korea blanketed with toxic smog, fine dust

Toxic smog across the nation, wide temperature differences _ 022519

Choking, toxic smog spreads across the nation _ 112718

Another cloud of toxic smog to blanket Beijing from Monday

Toxic smog from China and stagnant air flow boost dust levels

Western regions trapped in toxic smog _ 110718

Many regions blanketed in toxic smog _ 110618

Toxic smog remains in some regions _ 101618

Toxic smog smothers Korea _ 121718

South Korea continues to be blanketed with toxic smog

Milder than norms, be careful of toxic smog _ 032619