Namsan Seoultower lights up the city with colorful illuminations! The city of Seoul uses the Tower lights to indicate the level of air pollution so that it can quickly and easily reach the public.

The lights are blue on clear days while it is red when the level of air pollution high or when microdust warning has been issued. When the Tower lights are red, refrain from outdoor activities and wear a mask if you need to go outside. Keep an eye out for Namsan Seoultower illuminations to stay healthy.