Namsan Seoul Tower brightens the city center with colorful lights! In order to quickly and easily inform citizens of air pollution information, the Seoul Metropolitan Government displays the pollution level with this light from Namsan Seoul Tower.
Since May 2011, Seoul city has been implementing a service that displays the level of pollution with the light of Namsan Seoul Tower in order to quickly inform citizens of the level of air pollution.
Seoul receives different light depending on the air condition
- Blue light when fine dust concentration is 0~15㎍/㎥ in the 'good' level
- Green light when the fine dust concentration is in the 'normal' level of 16~35㎍/㎥
- Yellow light at the 'bad' stage of 36~75㎍ /m3
- Red light appears at the 'bad' stage of 75㎍/m3 or more
The air pollution warning light of Namsan Seoul Tower is not turned on during the day, and the service is operated from after sunset to 10 pm and from April to September until 11 pm. On a red light day, an ultrafine dust advisory is issued, so you should refrain from going out and be more careful about your health.
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| From Seoul N tower webpage |
Blue: good
Green: normal
Yellow: bad
Red: very bad
Blue lights are on on clear days, and red lights on days when air pollution is severe or an ultrafine dust advisory is issued. On days when Namsan Seoul Tower is lit with red lights, avoid going out as much as possible and wear a mask if necessary. Please protect your precious health with the light of Namsan Seoul Tower.
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