Air pollution is a growing global issue, that is detrimental to human health and the environment. Major sources of air pollution include manufacturing, power and transport. Some of the major health effects of air pollution are lung and heart diseases. Read more on what air pollution is, global air pollution trends and more here.
Comparing air pollution to smoking is a dangerous question. Honest observers (like Richard Saint Cyr MD and Richard Muller) have come up with wildly different answers, from 1/6th of a cigarette a day, to four a day, to claims of 21 cigarettes a day. Here’s why they’re all right. Two Fundamentally Different Ways of Asking the Question One …
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 …
I just analyzed Chengdu’s PM2.5 pollution data for the first half of 2018, and there’s a surprise. Chengdu barely edged out Beijing! Someone get those pandas a mask. The difference is small—1 microgram. But it’s notable because Beijing is famous for its pollution, whereas Chengdu is not. …
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 …
After best January on record, China’s air pollution worsens An analysis by Smart Air of data from pollution stations found that, after Beijing’s best year on record, Beijing PM2.5 levels are now worse than 2017. Data from 11 other major cities showed similar trends. Beijing Compared to …
My intuition has always been that air pollution is lowest at night because there are fewer cars on the road and fewer factories humming. Apparently I’m not alone: 139 voted for their guess about what time of day has the lowest PM2.5, and night time came in first: …
When summer rolls around, enticing blue skies often draw people outside. Throw on top the fact that most cities in China have less PM2.5 pollution in the summer, what’s stopping us from heading outside? Ozone Pollution on Rise Across China Ozone has been on a steady increase across China in recent years. To …
When I first started making DIY purifiers, the only air quality monitors I could buy were a US$260 Dylos or crazily expensive particle counters that costed thousands of dollars. Since then, the market has exploded with new particle counters as cheap as US$15. But are they any good? …
The long-term health effects of air pollution – heart attacks, strokes, and lung cancer – are well known. But less is known about how air pollution affects in the short and immediate term, especially in the office. New data shows how air pollution can lower work rates and productivity in …
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