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Indoor Air Quality (IAQ)

5
  • How can Poor Indoor Air Quality be Prevented?
  • How can IAQ be improved with ventilation?
  • How can IAQ be improved with air filters?
  • Can humidity levels improve IAQ?
  • Can IAQ be improved with plants?

Outdoor Air Quality (OAQ)

4
  • How do weather conditions impact air quality?
  • Is OAQ better or worse than indoor air quality?
  • How do ventilation and air filtration systems help IAQ in relation to outdoor air?
  • How does OAQ impact the health of people indoors?

Health

3
  • Who is at high risk for developing health problems from poor IAQ?
  • What diseases are caused by or made worse by poor IAQ?
  • How does indoor air pollution affect human health?

Pollutants

4
  • Overview: the most common types of pollutants
  • Gaseous and Chemical Pollutants
  • Biological and Particulate Matter
  • Radiation Pollutants

Standards

4
  • EPA’s recommended guidelines for maximum levels of indoor air pollutants
  • What are the challenges in implementing and enforcing air quality standards?
  • Who sets air quality standards?
  • Who regulates indoor air quality in the US and how do they do it?

Methods and Testing

3
  • How is indoor air quality tested?
  • How often should air quality be tested in buildings?
  • How much does testing cost?

Definitions

1
  • Indoor Air Quality Definitions
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Can humidity levels improve IAQ?

< 1 min read

The ideal relative humidity level is between 30 and 50%. Outside this range is unhealthy and can feel uncomfortable, too. Lower than this, bacteria, viruses, and irritants thrive. Higher than this, mold and mildew are likely to grow.

Keeping the humidity in the ideal range will lower energy bills. In dry regions or times of the year, you may need a humidifier. This will add water to the air. In wet regions or times of the year, you may need a dehumidifier. This will remove water from the air. To know the relative humidity level, obtain a humidity sensor and adjust the humidifier and/or dehumidifier until relative humidity is in the30-50% range.

How can IAQ be improved with air filters?Can IAQ be improved with plants?
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