Air Quality Education


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In the air,
What is lurking?

  • 90%

    About 90% of the air taken into the lungs when a person breathes is indoor air.

    Source: American Lung Association 2010; U.S. Consumer Product Safety Commission (CPSC) 2012; US Environmental Protection Agency 2012a

  • 800w

    According to materials released by the Ministry of Health, Labor and Welfare in 2016, about 8 million people in Japan suffer from asthma, and the number of patients is increasing year by year.

    Source: Ministry of Health, Labor and Welfare "Current status of allergic diseases, etc."

  • 40,000

    The number of influenza virus droplets that are scattered in one sneeze. It scatters at a speed of 100 mph and stays in the air for several hours.

    Source: Tang JW1, Li Y, Eames I, Chan PK, Ridgway GL. "Factors involved in the transmission of aerosol infections and control of ventilation in medical facilities" JHI, October 2006, pp. 100-114

  • 16,000

    Number of influenza particles present in the air per m 3 measured at clinics and nurseries, published in the Royal Society's journal "Journal of the Royal Society Interface"

    Source : ScienceDaily “Why is the flu more common during the winter season?” December 04, 2012

  • hay fever

    According to the Ministry of Health, Labor and Welfare, about one in four Japanese suffer from hay fever. It is truly a national disease. In addition, as a result of the 2016 survey of pollinosis patients conducted by the Tokyo Metropolitan Government, the prevalence of Japanese cedar pollinosis in Tokyo is 48.8%. It turns out that one in two suffers from hay fever.

    Source: Tokyo "Tokyo Metropolitan Pollinosis Patient Survey Report"

  • 30%

    Asthma and Allergy Foundation of America(AAFA)According to the report, about 15 to 30 percent of people suffering from allergic symptoms have an allergic reaction to the hair and dandruff of dogs and cats.

  • 5x

    According to a study by the US Environmental Protection Agency (EPA), indoor air contains 2 to 5 times more pollutants than outdoor air, and in some cases it is more than 100 times more polluted.

    Source : American Lung Association 2010; U.S. Consumer Product Safety Commission (CPSC) 2012; US Environmental Protection Agency 2012a

  • 60%

    APPA(American Pet Products Association)According to the United States, more than 60% of households have pets.

  • 47%

    According to a prevalence survey conducted at 11 locations throughout Japan (2006 Japan Allergy Association), about 47% of people have nasal allergy symptoms.