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Smoke, Smog, Dust 2013 Chiang Mai

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What better to do on a rainy day just as the burning season for 2013-2014 gets off to a start than to clean the filters on the air conditioners!

For newcomers in Thailand, particularly in the central and northern provinces, here is a suggestion for the least expensive and effective filter material for air conditioners. Made by 3M, It is called Filtrete. In Chiang Mai, it is available at HomePro stores and probably others including the shop (if it is still there) on the SE side of Wulai Road a few hundred meters from the moat. It is known as the place where Darth Vader buys his masks. Others can provide other places that sell the material.

This material comes in bundles of two packets each. One packet will basically cover three room-sized 9 - 12 BTU units, but buy one more just to have it on hand. It is a popular item late in the season when the smoke really gets bad. Depending on the intensity of the pollution and air conditioner use over time, you probably would want to put in fresh material twice a year, perhaps at the beginning and halfway through the season.

This filter material is reviewed here: http://www.filtrete.com/wps/portal/3M/en_US/FiltreteNA/Filtrete/Products/~/A-C-Filter?N=4315+3294573956+3294529207&rt=rud. For more serious filters: http://en.wikipedia.org/wiki/HEPA. There is quite a discussion earlier on in this thread or perhaps in the general thread that preceded it covering the 2012 season. Anyway, search "HEPA" to see about air filters. You'll soon see quite a variety of room air filters available in stores, if they aren't already there.

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What better to do on a rainy day just as the burning season for 2013-2014 gets off to a start than to clean the filters on the air conditioners!

For newcomers in Thailand, particularly in the central and northern provinces, here is a suggestion for the least expensive and effective filter material for air conditioners. Made by 3M, It is called Filtrete. In Chiang Mai, it is available at HomePro stores and probably others including the shop (if it is still there) on the SE side of Wulai Road a few hundred meters from the moat. It is known as the place where Darth Vader buys his masks. Others can provide other places that sell the material.

This material comes in bundles of two packets each. One packet will basically cover three room-sized 9 - 12 BTU units, but buy one more just to have it on hand. It is a popular item late in the season when the smoke really gets bad. Depending on the intensity of the pollution and air conditioner use over time, you probably would want to put in fresh material twice a year, perhaps at the beginning and halfway through the season.

This filter material is reviewed here: http://www.filtrete.com/wps/portal/3M/en_US/FiltreteNA/Filtrete/Products/~/A-C-Filter?N=4315+3294573956+3294529207&rt=rud. For more serious filters: http://en.wikipedia.org/wiki/HEPA. There is quite a discussion earlier on in this thread or perhaps in the general thread that preceded it covering the 2012 season. Anyway, search "HEPA" to see about air filters. You'll soon see quite a variety of room air filters available in stores, if they aren't already there.

Thank you Mapguy, I went to Big C on the superhighway yesterday (one near Index) and bought them in Homepro - they are on offer just now 2 packs for the price of 1 - 199 per pack.

They are in the lane with the toilet brushes as you would logically expect.

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Just saw the first big fire in this cold season in Chiang Dao.They start early! About 1 km long and goes up one of the mountains in the forest reserve.

How stupid can these people be?

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We drove up to CM from Bangkok yesterday. From Tak onwards there was evidence of burning, from small wayside fires to medium sized conflagrations. LAst night we spent our first night in 3 months in CM - with the window open - it being 4 or 5 degrees cooler than Bangkok and the smell of smoke in the air was unmistakeable. Here we (or rather you, go again.)

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So are they burning already or is this just pollution trapped from low pressure? How depressing. I really love this time of the year and it looks like they are going to ruin it.

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So are they burning already or is this just pollution trapped from low pressure? How depressing. I really love this time of the year and it looks like they are going to ruin it.

The rice fields are ablaze where I live SE of the city.

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It's not just the fires, nor the ample amount of petro exhaust. Granted, when your at ground zero, Chiang mai has enough of this. But our problem gets severe when the warm weather comes in. Normally, all the horrid pollution that this city produces will still rise into the atmosphere at various levels, winds, etc. However during warm weather we get an inverse condition greatly added by the fires burning at higher elevations. Chiang mai is actually in a valley. The air above is then warmer than below (inverse condition). This interferes with the dissipation of the crap normally created here.

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Just back from Mae Hong Son area where the air was fairly clear. Not so clear in Pai valley, arrived back in Chiang Mai valley, could hardly see Doi Suthep as we drove south from Mae Rim. Back in San Kamphaeng, no view at all of Doi Suthep.

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