Air purifiers are devices that remove pollutants from the air and improve air quality. Air purifiers do this either mechanically, using air filters, or using ionizers or chemical reactions. Read more to learn about air purifiers, how to choose the best air purifier, and how they can protect against viruses, wildfire smoke, air pollution and PM2.5.
New analysis from Smart Air shows that China is making progress on its “war on air pollution.” PM2.5 air pollution was down in 14 out of China’s 15 largest cities. Yet one region saw far more progress than the rest. South Sees Modest Air Quality Gains In southern China, from …
Using actual air purifiers test data on is the best way to cut through the misleading marketing claims purifier companies make to try to get us to pay more money for clean air. For that reason, I’m always on the look out for good test data. Data is power. …
I started thinking about finding the best air purifier for my home because I was living in Beijing when the “airpocalypse” struck. I had a cough I couldn’t shake for weeks, so I started doing research into air purifiers. Unlike another answer here, I wasn’t concerned about allergens …
The IQAir Atem is a personal, portable air purifier that’s new on the scene. Recently, air-breather Vincent asked Smart Air to review the IQAir Atem, which IQAir calls “the most effective personal air purifier.” IQAir Atem Purifier Review and Test Being the data nerds that we are, we decided to …
So you’ve found yourself a city with bad air pollution – perhaps you’re in Beijing, Bangalore or Bangkok? Or try Delhi, Ulaanbaatar or Shanghai? You’ve heard of air pollution, but what is it, how does it affect our health and what guide should you follow to keep air pollution from …
When we think about harms of air pollution, we often think about the health impacts on infants and the elderly. But does air pollution affect the health of young, healthy people? And if so, can air purifiers help reduce the health impacts of air pollution? Do purifiers have real health …
For those who don’t know, an FFU (stands for ‘fan filter unit’) is a type of large size air purifier. Originally created for industrial use, over the past few years FFUs have entered the home market in a big way. They’re a simple and low cost way of getting clean …
Data and Test Details Test Methods: These tests were identical to my previously published tests, details of which can befound here, here, and here. Original Data: The original data for all 13 tests is available as an Excel file here Average Outdoor PM2.5 During Tests It’s important to note the average outdoor PM2.5 during …
I’ve seen people ask if air purifiers depend on the placebo effect or do they actually work. I think this is a good question because we should not confuse the outcomes of (1) objectively reducing pollutants in the air versus (2) health effects. There are two things we know …
This post contains supplemental data for the post “Can I Clean or Wash HEPA filters?“. It includes detailed information about the testing method, and the original data, open-sourced for all to view. Click here to view the original article Open Data Particle Capture Tests For the particle capture tests, CK …
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