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Air purifier? - Part 2

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Old 06-04-2016, 10:23 PM   #1471
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Yeah heavy haze will close the window, but for now, seems to work good.
That's why will be using the cheapo hepa and running on full blast.
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Old 06-04-2016, 10:23 PM   #1472
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But yes also, if the external loading is high (moderate or heavy haze in 2015), then even a small gap makes quite a bit of difference.


I remember it worked pretty ok during 2014.....but only during the light haze days.....maybe say NEA nominally from 40 to 60+ ug/m3. Quite a fair number of days hovering ard those levels, it was very light haze from a normal pax's perspective, but 2014 was quite prolongled also, actually very slightly longer in duration than 2015 believe it or not.

And i don't know what were they burning in S Sumatra then, maybe slightly different areas. The haze literally no smell at all, not even at 80-100 ug/m3 levels. Only during 1 day when it hit 131 ug/m3 max (South) did it start to smell.

That's very dangerous. Some people doubted that Singapore was hit by haze in 2014. "Don't be sensitive lah......Singapore no haze in 2014 lah)
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Old 06-04-2016, 10:31 PM   #1473
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Actually that time i visited Beijing and one day was hit by avg of 200-250 ug/m3 and following day hit by 380 ug/m3 max....there wasn't any smell at all. That's not biomass smoke, of course. That's also how my wife landed in 朝阳医院, severe headache and vomitting. Nope, not food poisoning at all coz it resolved nearly immediately the day after and the levels dropped.

Self-medication with Paracetamol did not help (and we didn't have naproxen sodium then)....novomin also did not help with the vomitting. Needed jab, drip and observation in the hospital.


How i know? I only knew in 2015 when i checked the US Consulate which keeps historical records of Chinese cities, and i also checked my Beijing photos' EXIF + timings. The US consulate records are in hourly readings somemore, no hao siao one.
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Old 06-04-2016, 10:46 PM   #1474
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US Department of State China Air Quality Historical Data

http://www.stateair.net/web/historical/1/1.html

Remember, Beijing has pretty low RH except when it snows.
So it's not like in SG, when the higher RH in the morning can skew the visibility during high PM2.5/PM10 situations.

Trader's Hotel. Ard 4th ring road that area.

16 March 2012 3.04pm
Beijing PM2.5 16/3/2012 15:00 2012 3 16 15 320 g/mg 1 Hr Valid





18 March 2012 7.30AM
Beijing PM2.5 18/3/2012 7:00 2012 3 18 7 17 g/mg 1 Hr Valid
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Old 06-04-2016, 10:55 PM   #1475
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wow thanks so much for sharing!
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Old 07-04-2016, 08:43 AM   #1476
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XM2 AP on timesale @ $199 with this vendor that has local physical presence & 7 months warranty! Seems like a good deal to me!

http://special.qoo10.sg/item/LOCAL-S...117630?sid=806
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Old 07-04-2016, 08:47 AM   #1477
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Looks good, $199 flat and collection from building that's just a 1-min walk from Tai Seng MRT, if don't want to pay the $9 Qxpress.

Good for those without vouchers and X brand CC rebates and whatnots.


I think they are gearing up (marketing aspect) for 2016 haze.....

Either that or these sellers read the AP and 2015 El Nino & Haze discussion thread too much. (or think many read the threads)
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Old 07-04-2016, 09:06 AM   #1478
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WussRedXLi:

Any cheap and good air quality meter (PM2.5, PM10 etc, and VOC if the cost is not too high) you can recommend for home use?

Now getting those compatible filters and DIY filters, must make sure they works as promised ...
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Old 07-04-2016, 09:15 AM   #1479
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199 ready stock is good price. passion gadget been around for ages too.
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Old 07-04-2016, 09:28 AM   #1480
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is xiaomi air purifier 2 that good? saw a lot of ppl buying it from q10

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Old 07-04-2016, 10:12 AM   #1481
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is xiaomi air purifier 2 that good? saw a lot of ppl buying it from q10
Yes, performance aside, using the app you can see other information like pm2.5, temp & humidity. Can also control fan speed, off the lights when sleeping, low noise in auto mode. Filter is cheaper and no strange smell like my AX40.
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Old 07-04-2016, 10:15 AM   #1482
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Yes, performance aside, using the app you can see other information like pm2.5, temp & humidity. Can also control fan speed, off the lights when sleeping, low noise in auto mode. Filter is cheaper and no strange smell like my AX40.
Any idea if electricity consumption is high for XM AP2? Or it's like comparable to AX40?
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Old 07-04-2016, 10:26 AM   #1483
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Yes, performance aside, using the app you can see other information like pm2.5, temp & humidity. Can also control fan speed, off the lights when sleeping, low noise in auto mode. Filter is cheaper and no strange smell like my AX40.
Strangely i also got this tcm smell from the 2 AX40' i have but after removing the activr charcoal layer the smell gone. I post before quite strange as i always tot AC suppose to get rid of smell instead of creating it.....
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Old 07-04-2016, 10:27 AM   #1484
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Any idea if electricity consumption is high for XM AP2? Or it's like comparable to AX40?
Search few more page as Wuss did a wattage measurement or smthing.
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Old 07-04-2016, 10:35 AM   #1485
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Ezbuy got promotion. Cheap cheap.

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