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2. The best air purifiers of 2025 - AOL

   www.aol.com/lifestyle/best-air-purifiers...

   Here are the best air purifiers we tested — and who we think will love them the most. ... Our air quality meter recorded the Gen1 transformed a small room’s air quality from 204 micrograms per ...

3. Indoor air quality - Wikipedia

   en.wikipedia.org/wiki/Indoor_air_quality

   Since indoor air pollutants can adversely affect human health, it is important to have real-time indoor air quality assessment/monitoring system that can help not only in the improvement of indoor air quality but also help in detection of leaks, spills in a work environment and boost energy efficiency of buildings by providing real-time ...

4. IQAir - Wikipedia

   en.wikipedia.org/wiki/IQAir

   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 China, and its most important markets were Asia and North America .

5. Air quality index - Wikipedia

   en.wikipedia.org/wiki/Air_quality_index

   The most commonly used air quality index in the UK is the Daily Air Quality Index recommended by the Committee on the Medical Effects of Air Pollutants (COMEAP). [39] This index has ten points, which are further grouped into four bands: low, moderate, high and very high. Each of the bands comes with advice for at-risk groups and the general ...

6. Demand controlled ventilation - Wikipedia

   en.wikipedia.org/wiki/Demand_controlled_ventilation

   Demand controlled ventilation (DCV) is a feedback control method to maintain indoor air quality that automatically adjusts the ventilation rate provided to a space in response to changes in conditions such as occupant number or indoor pollutant concentration. The most common indoor pollutants monitored in DCV systems are carbon dioxide and ...

7. Air purifier - Wikipedia

   en.wikipedia.org/wiki/Air_purifier

   An air purifier or air cleaner is a device which removes contaminants from the air in a room to improve indoor air quality. These devices are commonly marketed as being beneficial to allergy sufferers and asthmatics , and at reducing or eliminating second-hand tobacco smoke .