In the past, our building has met the strict ventilation standards set by the Building Standards Act, but we have recently installed the latest equipment to further increase the amount of air intake and exhaust. Since we are constantly exhausting the air inside the building and taking in fresh air outside, we are below the safe ventilation standard (less than 1,000ppm) recommended by the Ministry of Health, Labor and Welfare. However, since ventilation is invisible to the naked eye, we would like to provide you with as much peace of mind as possible by constantly monitoring the CO2 concentration in the underground plaza live during business hours to visualize the ventilation.

Please note that the live streaming of CO2 concentration is only available during business hours, and will be switched to the after-hours display during non-business hours.


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