How Accurate Are the QP PM2.5 Air Quality Monitors?

Michael Cole

How Accurate Are the QP PM2.5 Air Quality Monitors? 2022-08-05 by Tyler Vanzo PM2.5 air quality monitors used to cost thousands of dollars. But in recent years, there has been an explosion in lower-cost options such as the Qingping (QP) air quality monitors. So how reliable and accurate is a lower-cost air quality monitor at measuring PM2.5? Are the QP air quality monitors actually any good? Smart Air put the QP Pro and QP Lite air quality monitors to the test. The QP Air Quality Monitors – At a Glance QP Pro (Qingping Air Quality Monitor) The QP Pro (Qingping Air Quality...

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How to Choose the Right Air Purifier for You

Sonja Palmer

Air purifiers do not need to be more complicated than a high-quality fan and a filter. The fan pushes the air through a High Efficiency Particulate Air (HEPA) filter that captures any harmful particles leaving clean, purified air. An activated carbon filter can also be added to remove harmful gases and odors. HEPA filters were invented in the early 1940’s for the Manhattan Project to stop the spread of airborne radioactive contaminants. They were further developed and used for decades by NASA and then widely by hospitals and other critical use facilities.  H13 HEPA filters, which are often marketed as...

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