Indoor Air Pollution

How To Choose An Air Purifier in China

How To Choose An Air Purifier in China

Isn’t it a total hassle to buy an air purifier in China, especially for expats? Back in places like the USA, when we shop for anything we can luxuriously research using consumer magazines and other review sources, wisely shopping around online […]

Indoor PM2.5 Under 10: A Noble Goal

Indoor PM2.5 Under 10: A Noble Goal

I’ve recently become quite smugly satisfied that my home’s indoor air is always 80% better than the outdoor air, thanks to a quartet of air purifiers working 24/7. But I no longer think my 80% reduction is good enough, and I now have a […]

Finally, Great Data on Air Purifiers in China!

Finally, Great Data on Air Purifiers in China!

UPDATE, March 2015: Please check out my buyer’s guide to air purifiers; my 2014 review of the science behind air purifiers; my 2015 tests of air purifiers under 1,000 RMB plus my 2014 review of two dozen top air purifier models in China.  […]

Would Your Home Pass An Environmental Test?

Would Your Home Pass An Environmental Test?

As my long term readers know, I’m slightly obsessed with our air pollution issues, and my therapy is to blog about it. (After these last couple days of “beyond index” pollution, I need this outlet more than ever!) I also love […]

Alen Air Purifiers Battle IQAir and Blueair

UPDATE, March 2015: Please check out my 2014 review of the science behind air purifiers; my 2015 tests of air purifiers under 1,000 RMB plus my 2014 review of two dozen top air purifier models in China.   We’ve just survived yet another […]

Fight “Crazy Bad” Air Pollution — Cheaply

Fight “Crazy Bad” Air Pollution — Cheaply

Students and others with limited incomes shouldn’t feel helplessly left out of the eternal expat discussion regarding air purifiers. I mentioned before but will stress again, given the recent weather: there’s a very decent and affordable Taiwan/U.S.A.-made HEPA air purifier […]