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BANGKOK 26 April 2019 16:44

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Tywais

Smoke, Smog, Dust 2016-2017 Chiang Mai

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I ordered  this for 200.00 usd and hopefully it works well.

Now Xiaomi Mi Air Purifier 2S sterilizer addition to Formaldehyde cleaning Intelligent Household Hepa Filter Smart APP WIFI RC

 

Been noticing that Chiang Rai air is much better than Chiang Mai.  Haven't watched the full burning season cycle so wondering if that

holds up over time or is just a fluke. Certainly they have less traffic.

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Looks nice, and i like the Xiaomi brand.   Do make sure that you can easily order replacement filters when deciding on any air filter. 

 

Also there is a Toshiba unit on Lazada right now for a good price, around 3600 Baht.  Not quite as fancy but it does the job.   (I've had one for a couple years.)

 

Toshiba air purifier on Lazada

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This fungal enzyme can transform wood into fuel. Would this work to offer a viable option for farmers  that burn plant matter in Asia? Not sure if wood and plant matter would be equally broken down in the same manner. I am not a biologist.

 

The research, reported in Nature Chemical Biology, has shown that the family of enzymes, called lytic polysaccharide monooxygenases (LPMOs), are capable of breaking down xylans -- carbohydrate molecules commonly found in wood biomass that are particularly resistant to degradation. (https://www.sciencedaily.com/releases/2018/02/180216110522.htm)

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Thai's enjoy lighting fires. That's why they do it. It's not a necessity. So there is no point in coming up with better alternatives because they don't care. It makes them perfectly happy to burn things their entire lives and pass it on to the next generation.

 

As for Chiang Rai the air is comparable to elsewhere in the north; bad half the year and horrible at times. I vividly recall my final trip to Chiang Rai. Forget seeing the mountains, visibility was just so bad, just a few hundred meters and the atmosphere was as if a volcano had erupted nearby. There was absolutely nowhere a person could go to escape the stench. Fires were being lit all over the place, even the hotel burned giant amounts of plastic in a pit nearby. I couldn't wait to get out of there and get back to Bangkok for the air. I know it sounds absurd to want to go to the smoggiest city to breath again, but it was true. And when I got to Bangkok the air seemed like heaven in comparison and I could sleep again.

 

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yah whats with the air in Chiang Rai?? I don't get it. Are they not cleaning the machinery that measures this stuff? Are the vehicles and factories the real problem in CM?

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1 hour ago, elephant45 said:

yah whats with the air in Chiang Rai?? I don't get it. Are they not cleaning the machinery that measures this stuff? Are the vehicles and factories the real problem in CM?

I'm not in Chiang Rai, but monitoring the air stats daily I see it is much better than CM or Bangkok.  So you're suggesting the measurements aren't measuring properly and the air is foul like CM?    Was thinking I'd go there for a couple days just to check it out personally.  I had planned on not spending the dirty air season here in CM but plans got screwed up so one more time I choke through it.

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Though the numbers are bit lower, the Chiang Rai air has still been in the orange zone (unhealthy for sensitive groups) same as Chiang Mai. I doubt these burning bans are all they are cracked up to be. Does anyone have a link to any of those satellite images that show the fires across Thailand? Then we can glimpse how the ban is working or not.

 

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2 hours ago, canopy said:

Though the numbers are bit lower, the Chiang Rai air has still been in the orange zone (unhealthy for sensitive groups) same as Chiang Mai. I doubt these burning bans are all they are cracked up to be. Does anyone have a link to any of those satellite images that show the fires across Thailand? Then we can glimpse how the ban is working or not.

 

https://firms.modaps.eosdis.nasa.gov/map/#z:6.0;c:104.153,16.577

 

 

Lot of  burning going on in Tak and Lampang. Chiang Rai is almost spotless, so is getting smog from other provinces.

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3 hours ago, canopy said:

Though the numbers are bit lower, the Chiang Rai air has still been in the orange zone (unhealthy for sensitive groups) same as Chiang Mai. 

 

Every time I check Chiang Mai figures I also look at other locations in Thailand. Chiang Rai has been mostly below AQI 50 during the last months. Perhaps it will change on March / April, but for now it is very different.

 

Now for example, it is at 51 while Chiang Mai is at 157. This is quite a BIT lower.

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Chiang Rai has been good so far in February..  Typically in March though it's a lot worse; let's see what happens.

 

BTW, checking on other locations in Thailand is often tricky because some stations have a PM2.5 capability and others don't; the ones that do measure PM2.5 will then all look a lot worse.   

 

A map that seems to avoid this is the Berkely Earth map: Berkely Earth Pollution Map

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20 hours ago, XGM said:

Chiang Rai has been mostly below AQI 50 during the last months.

Not true. The AQI in Chiang Rai has typically been in unhealthy ranges for the last 4 months. According to aqicn.org the AQI is currently over 120 which is unhealthy even by Thai standards. All you have to do is look outside and the haze is obvious to the most casual observer. You can't even see a sunrise or sunset. So where are you getting your information?

 

Chiang Rai has been good so far in February.

According to international health standards it is not good. Why do you feel it is good?

 

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8 hours ago, WinnieTheKhwai said:

Chiang Rai has been good so far in February..

According to Canopy Chiang Rai is very bad. What are we missing then?

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51 minutes ago, SoilSpoil said:

 

You should be looking at pm2.5 measurements and not pm10.

 

http://aqicn.org/city/thailand/chiangrai---gaia-station-03/

Ditto for Mae Sai which shows healthy levels of the 10 pm: http://aqicn.org/city/thailand/chiangrai/maesai-health-office/

 

Extrapolating from the 2.5 pm figures of other cities, the 2.5 figures should show an unhealthy or orange flag there. In other words, in as much as I like this website, it paints a crooked image of what is really happening. I wish it had a filter (pm 10 and pm 2.5). Should I suggest it?

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2 minutes ago, EnlightenedAtheist said:

Ditto for Mae Sai which shows healthy levels of the 10 pm: http://aqicn.org/city/thailand/chiangrai/maesai-health-office/

 

Extrapolating from the 2.5 pm figures of other cities, the 2.5 figures should show an unhealthy or orange flag there. In other words, in as much as I like this website, it paints a crooked image of what is really happening. I wish it had a filter (pm 10 and pm 2.5). Should I suggest it?

 

Yes.   Either a filter, or do a calculated PM2.5 based on the PM10 value, using the PM2.5 : PM10 ratio of nearby stations that measure both.  And then just indicate that it's a derived value.

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