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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. Breathe Easier This Winter By Improving Indoor Air Quality ...

    www.aol.com/breathe-easier-winter-improving...

    Indoor air quality becomes a critical concern as people spend up to 90% of their time inside their homes, offices, schools, and vehicles—a figure that's often at its highest in winter.

  4. 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 ...

  5. NASA Clean Air Study - Wikipedia

    en.wikipedia.org/wiki/NASA_Clean_Air_Study

    Since the release of the initial 1989 study, titled A study of interior landscape plants for indoor air pollution abatement: An Interim Report, [6] further research has been done including a 1993 paper [7] and 1996 book [8] by B. C. Wolverton, the primary researcher on the original NASA study, that listed additional plants and focused on the removal of specific chemicals.

  6. Air pollution measurement - Wikipedia

    en.wikipedia.org/wiki/Air_pollution_measurement

    Unlike low-cost monitors, which are carried from place to place, static monitors continuously sample and measure the air quality in a particular, urban location. Public places such as busy railroad stations sometimes have active air quality monitors permanently fixed alongside platforms to measure levels of nitrogen dioxide and other pollutants ...

  7. Air changes per hour - Wikipedia

    en.wikipedia.org/wiki/Air_changes_per_hour

    Air changes per hour, abbreviated ACPH or ACH, or air change rate is the number of times that the total air volume in a room or space is completely removed and replaced in an hour. If the air in the space is either uniform or perfectly mixed, air changes per hour is a measure of how many times the air within a defined space is replaced each hour.

  8. NE Ohio under air quality alert due to high temperatures - AOL

    www.aol.com/entertainment/ne-ohio-under-air...

    Sep. 6—An air quality alert has been issued for parts of northeastern Ohio, according to the National Weather Service in Cleveland. The alert is in effect for Ashtabula, Cuyahoga, Geauga, Lake ...

  9. Air quality index - Wikipedia

    en.wikipedia.org/wiki/Air_quality_index

    The Common Air Quality Index (CAQI) [21] is an air quality index used in Europe since 2006. [22] In November 2017, the European Environment Agency announced the European Air Quality Index (EAQI) and started encouraging its use on websites and for other ways of informing the public about air quality. [23]