Relative Humidity and Health

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Relative humidity (RH) should be within certain limits for control of the health aspect.

• Bacteria, 20 - 70% RH
• Viruses, 40 - 80% RH
• Fungi, 0 - 70% RH
• Mites, 0 - 60% RH
• Respiratory infections, 40 - 50% RH
• Allergic Rhinitis and Asthma, 40 - 60% RH
• Chemical interactions, 0 - 40% RH
• Ozone production, 75 - 100% RH
• Combined Health Conditions, 40 - 60% RH

In general relative humidity for human comfort ranges 30 - 60% RH.

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Related Topics

• Physiology - Human physiology, air quality and comfort temperatures, activity and metabolic rates, health effects of carbon monoxide and more

Related Documents

• Absolute Humidity of Air - Humidity - or moist - is the water vapor present in air. Commonly used terms are Absolute, Specific and Relative Humidity
• Outdoor to Indoor Temperature Rise and Relative Humidity - The relationship between outdoor and indoor temperature rise - and the effect on the relative humidity
• Recommended Relative Humidity in Production and Process Environments - Recommended Relative Humidity - RH - in production and process environments like libraries, breweries, storages and more
• Relative Humidity of Air - The relative humidity of air can be expressed by partial vapor and air pressure - density of the vapor and air - or by the actual mass of the vapor and air