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2. Indoor air quality - Wikipedia

   en.wikipedia.org/wiki/Indoor_air_quality

   Indoor air quality ( IAQ) is the air quality within buildings and structures. Poor indoor air quality due to indoor air pollution is known to affect the health, comfort, and well-being of building occupants. It has also been linked to sick building syndrome, respiratory issues, reduced productivity, and impaired learning in schools.

3. Air quality index - Wikipedia

   en.wikipedia.org/wiki/Air_quality_index

   An air quality index (AQI) is an indicator developed by government agencies [ 1] to communicate to the public how polluted the air currently is or how polluted it is forecast to become. [ 2][ 3] As air pollution levels rise, so does the AQI, along with the associated public health risk. Children, the elderly and individuals with respiratory or ...

4. Air pollution measurement - Wikipedia

   en.wikipedia.org/wiki/Air_pollution_measurement

   Air quality monitoring sensors in Port Pirie, South Australia. Air pollution measurement is the process of collecting and measuring the components of air pollution, notably gases and particulates. The earliest devices used to measure pollution include rain gauges (in studies of acid rain ), Ringelmann charts for measuring smoke, and simple soot ...

5. Air changes per hour - Wikipedia

   en.wikipedia.org/wiki/Air_changes_per_hour

   Air changes per hour is a measurement intended to communicate the air change effectiveness of a space’s ventilation system. Discussion around the ASHRAE standard 62, Ventilation for Acceptable Indoor Air Quality led to the development of a more direct method of measuring air change effectiveness with the use of a tracer gas. [1]

6. IQAir - Wikipedia

   en.wikipedia.org/wiki/IQAir

   iqair .com. IQAir is a Swiss air quality technology company, specializing in protection against airborne pollutants, developing air quality monitoring and air cleaning products. [ 2] IQAir also operates AirVisual, a real-time air quality information platform. [ 3][ 4] As of February 2020, it had around 500 employees worldwide, 150 of them in ...

7. Dew point - Wikipedia

   en.wikipedia.org/wiki/Dew_point

   The dew point of a given body of air is the temperature to which it must be cooled to become saturated with water vapor. This temperature depends on the pressure and water content of the air. When the air is cooled below the dew point, its moisture capacity is reduced and airborne water vapor will condense to form liquid water known as dew. [ 1]