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Government Launches Low-Cost Clean Air Rooms in Chiang Mai

Thailand’s deputy prime minister and senior ministers have launched a low-cost “clean air room” innovation in Chiang Mai to protect vulnerable groups from hazardous PM2.5 pollution. The initiative, developed by researchers at Chiang Mai University, costs just 3,600 baht per room and will be rolled out to 83 locations across eight northern provinces. Officials say the system offers an immediate, practical response to worsening air quality.

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The launch took place on 18 April at the Wiang Phing Children’s Home in Mae Rim district, led by Deputy Prime Minister and Higher Education Minister Professor Dr Yossanan Wongsawat and Social Development Minister Nikorn Somklang. Air quality readings taken on-site showed PM2.5 levels of 150 to 180 micrograms per cubic metre, considered dangerous to public health. The visit also included senior officials, local administrators, and political representatives.

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The “clean air room” combines three key elements: a positive pressure system, a DIY air purifier, and IoT (Internet of Things) dust sensors working together to circulate clean air and remove pollutants. The system can be installed in existing buildings and maintained locally, with training provided to communities and technicians. The project aims to ensure accessibility and long-term sustainability through locally produced solutions.

Officials said the programme forms part of a dual-track strategy addressing both immediate and long-term pollution challenges. In the short term, affordable Thai-developed technology will be deployed rapidly to assist at-risk populations, including children, the elderly and patients. In the longer term, the government plans to use advanced technologies such as AI and real-time wildfire detection systems to identify pollution sources more accurately.

The delegation also visited the National Astronomical Research Institute of Thailand in Mae Rim to coordinate broader anti-pollution efforts. Professor Dr Yossanan highlighted the potential of “Made in Chiang Mai” innovations and called for stronger institutional support to integrate such solutions into national infrastructure. He also emphasised collaboration across ministries and educational institutions to scale up implementation.

Nikorn Somklang described PM2.5 as an urgent policy priority, particularly for protecting vulnerable populations. The Social Development Ministry will deploy rapid response units to remote areas and expand clean air room installations nationwide. The broader plan targets more than 2.3 million vulnerable people across 17 northern provinces.

Authorities say the first phase will focus on the 83 pilot sites before expanding the initiative nationwide in the near future. Parallel efforts to strengthen legislation and improve data-driven responses are also underway. Officials stressed that action can begin immediately using existing innovations, without waiting for new laws.

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Pictures courtesy of InsideThailand

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image.png Adapted by ASEAN Now InsideThailand 19 Apr 2026

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blaze master Diamond Member

blaze master

Advanced Member

This is nothing more than a photo op. Real action is needed by the government. The national budget for the pollution control department in 2023 was 1.75 bn baht.

Perspective. The defense budget for 2024 was just shy of 200bn baht. Remember the half half scheme. They got 20bn.

The numbers speak for themselves.

fredwiggy Star Member

fredwiggy

Advanced Member

Why live there if you're going to be a prisoner of your own room? Targeting the problem, which is plainly obvious, the people burning, and fining every time it happens.There is no other way around air pollution than reduction at it's source. Can't stop the automobiles but the burning can.

FlorC Platinum Member

FlorC

Advanced Member

Government should be forced to give everyone airpurifiers and new filters.

Not just a couple of clean rooms.

Fat is a type of crazy Platinum Member

Fat is a type of crazy

Advanced Member

In my last holiday to thailand I packed sunscreen, lots of tshirts, and an air purifier. Feel odd doing that for a fun in the sun holiday but in those months for longer holidays it is somewhat necessary

flaming dragon Gold Member

flaming dragon

Advanced Member

They're doing what they can to deal with the effects of a pernicious problem. You can't change the mentality of a populace overnight nor can you fine those people out of existence. Cooling rooms in villages wouldn't be a bad idea, either.

10000Baht Explorer Member

10000Baht

Member
2 hours ago, flaming dragon said:

They're doing what they can to deal with the effects of a pernicious problem.

I think, they do not enough.

2 hours ago, flaming dragon said:

You can't change the mentality of a populace overnight

This problem exists many years now and every time I hear the same phrases.

10000Baht Explorer Member

10000Baht

Member
8 hours ago, fredwiggy said:

Can't stop the automobiles

But they can stop the dirty automobiles. I can see them on the streets every day.

fredwiggy Star Member

fredwiggy

Advanced Member
5 minutes ago, 10000Baht said:

But they can stop the dirty automobiles. I can see them on the streets every day.

True, as the US has laws against emissions. Adopting things from the west is good, as they've helped them in numerous ways over the decades. True also they have little money for repairing things here, and not using helmets and such, so the laws aren't enforced as they should be, which might take some money away from those ignorant to them, but save lives in the process.

MIke B Bad Silver Member

MIke B Bad

Advanced Member

I don't think I'm alone?........have you ever read anything more ridiculous?

A country choking its citizens to death, year in year out, failing to act on crop burning, mountain clearance fires and domestic rubbish burning........and their response? ................some rooms with filtered air......un*******believable.

flaming dragon Gold Member

flaming dragon

Advanced Member
56 minutes ago, 10000Baht said:

I think, they do not enough.

This problem exists many years now and every time I hear the same phrases.

Do you live here? If so, you'll realize that it's a homogeneous populace with a strong national identity and long running customs. It takes generations to change thinking and behaviour.

When I was a kid there were adults who threw garbage out of car windows onto the streets. It was normal behaviour for people to do that up until the 1970s. We children were targeted by advertising and education to adopt better behaviour and pressure the adults around us to clean up their act. This was in Canada in the 70s. It took a generation but things improved and now seeing people pollute brings on as strong a reaction as an Italian has to watching someone put pineapple on a pizza.

loved-trope-disturbing-or-dark-scene-transformed-into-a-v0-xxhjvvlbfyig1.jpg

VillageIdiot Silver Member

VillageIdiot

Advanced Member

This is just another ridiculous PR stunt to convince people that they are doing something about the toxic air.

Mobilize the RTA, the BPP, and the local police to fight the wildfires that are the main cause of this public health crisis.

flaming dragon Gold Member

flaming dragon

Advanced Member
12 minutes ago, VillageIdiot said:

This is just another ridiculous PR stunt to convince people that they are doing something about the toxic air.

Mobilize the RTA, the BPP, and the local police to fight the wildfires that are the main cause of this public health crisis.

Have you ever fought a fire? I have, and it requires training and proper equipment. You don't just mobilise untrained people in uniforms.

Sir Dude Gold Member

Sir Dude

Advanced Member

What the government should do is subsidize the price of air-conditioners and especially air-purifiers until they pull their finger out of their collective backsides and get the farm-boys in control.

worgeordie Star Member

worgeordie

Advanced Member
39 minutes ago, flaming dragon said:

Have you ever fought a fire? I have, and it requires training and proper equipment. You don't just mobilise untrained people in uniforms.

I would prefer they catch people before lighting any fire ,charge them

and if found guilty ,real punishment ,long prison sentence ,to let people

know they are really serious about this problem that has been going on

for years ,

Get some Army ,Police and any volunteer up in the mountains with road

blocks ,drones do something that is proactive ,not sticky plaster after the

fires are raging

regards Worgeordie

emptypockets Platinum Member

emptypockets

Advanced Member

A DIY air filter? What does that entail? Couple of pair of secondhand ladyboys undies wrapped over some blue PVC pipes? Job done!

blaze master Diamond Member

blaze master

Advanced Member
2 hours ago, fredwiggy said:

True, as the US has laws against emissions. Adopting things from the west is good, as they've helped them in numerous ways over the decades. True also they have little money for repairing things here, and not using helmets and such, so the laws aren't enforced as they should be, which might take some money away from those ignorant to them, but save lives in the process.

The emissions issue got fixed so much in canada that they dropped testing for it.

scottiejohn Star Member

scottiejohn

Advanced Member
1 hour ago, worgeordie said:

I would prefer they catch people before lighting any fire ,charge them

and if found guilty ,real punishment ,long prison sentence ,to let people

know they are really serious about this problem that has been going on

for years

How do you do that?

If they have cigarettes etc and a lighter on them how are you going to prove the items are not for personal use and intended to start fires?

PS; My italics and bolding in the quote.

ikke1959 Diamond Member

ikke1959

Advanced Member

So selling baked air?? It would be better to enforce the laws and invest in less polluting cars and industry.. To clkean the air there is more needed than a few rooms. or a rainy season

GammaGlobulin Star Member

GammaGlobulin

Advanced Member
6 hours ago, emptypockets said:

A DIY air filter? What does that entail? Couple of pair of secondhand ladyboys undies wrapped over some blue PVC pipes? Job done!

No.

DIY air purifiers use HEPA filters and normal household box-fans.

They are very effective, and more effective than commercial units when judged on efficacy of filtration divided by cost.

If you can obtain the HEPA filter material, these are the best solution, and a low cost solution for filtering PM2.5.

GammaGlobulin Star Member

GammaGlobulin

Advanced Member

How do these clean air rooms work?

Do people just move in for a few months during the Smoking Season?

Do they have Free WIfi and beds?

And, how many to a room?

Do they offer free transportation to and from work?

IMHO, these clean rooms should be replaced with an entirely different strategy:

a. First collect all individuals who are at risk for elevated levels of PM2.5.

b. Do not send them to these clean rooms.

c. Instead, send them to Finland. Finland has very clean air, and plenty of trees which are not burning.

d. When PM2.5 decreases, around end of June, then these people can return to their homes here in Thailand.

e. This would be a very low cost solution. One could pack Airbus 380 aircraft with up to 1000 people per flight, or maybe more. While in Finland, people could do handicrafts and ell them locally in Finland, thus offsetting the cost of air-shipment.

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it is what it is Gold Member

it is what it is

Advanced Member

they just need some of these clean air machines like wot they have in bangkok. problem sorted.

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10000Baht Explorer Member

10000Baht

Member
16 hours ago, flaming dragon said:

Do you live here?

Yes!

16 hours ago, flaming dragon said:

If so, you'll realize that it's a homogeneous populace with a strong national identity and long running customs. It takes generations to change thinking and behaviour.

I know this and I agree. But I miss here a real start for the change, always excuses and pointing on others like neighbor countries. Using mobile phones the change was very fast.

16 hours ago, flaming dragon said:

We children were targeted by advertising and education to adopt better behaviour and pressure the adults around us to clean up their act.

This is what I miss here. Nowadays, everyone can read or see in the media what the state of the environment on Earth is. Everyone should know what air pollution means and how to avoid it. Everyone should know the damage caused by masses of waste, especially plastic waste. Every day I see very young children dropping their trash wherever they stand or go. Even though their parents are present and even holding their hands, they don't intervene or tell their children off. It's simply blatant ignorance.

10000Baht Explorer Member

10000Baht

Member
17 hours ago, fredwiggy said:

True, as the US has laws against emissions.

In Thailand they have also law against emissions,

for example black smoke from Diesel cars and trucks, but ......

ikke1959 Diamond Member

ikke1959

Advanced Member
1 hour ago, 10000Baht said:

In Thailand they have also law against emissions,

for example black smoke from Diesel cars and trucks, but ......

The laws are not the problem.... The enforcement and RTP force however

ChipButty Star Member

ChipButty

Advanced Member

They should launch these nationwide, The air quality across Thailand is getting worse, I recently spent some time in hospital here in Phuket, where I was in the ICU, actually twice, but not for breathing problems, the amount of people and kids in there with breathing difficulties, I thought I smoked all my life and a don't cough like them, Thats here in the south of Phuket,

Aussie999 Platinum Member

Aussie999

Advanced Member

"3,600 baht per room" I like to see the true cost...does this include sealing the rooms.. and what about ongoing maintenance..cleaning the filters, replacing damaged ducting, extra running costs...ok, I know, it's a photo op... they will install, do some finger pointing photo ops...then in a few months, the units will be unusable , and left to become another fading memory, let's see how many a still functionable, next season.........except we farang, don't forget...we are a pain, in the side, of Thai officials...555

worgeordie Star Member

worgeordie

Advanced Member
22 hours ago, scottiejohn said:

How do you do that?

If they have cigarettes etc and a lighter on them how are you going to prove the items are not for personal use and intended to start fires?

PS; My italics and bolding in the quote.

Been proactive and try to catch those folks that are going to set fires,

this has been going on for many years , they know by now where the

fires are going to be set ,as it happens every year , if they catch someone

in the forests with a lighter and cigarettes ,they need questioning .

Every year when the smoke comes it's a sticking plaster response ,there

seems to be no deterrent at all, this burning costs the tourist industry greatly,

then there's the health of the population ,the the lives of animals and reptiles

that are going to be lost .all this pollution is not natural it's caused by people.

regards worgeordie

scottiejohn Star Member

scottiejohn

Advanced Member
4 minutes ago, worgeordie said:

ote.

Been proactive and try to catch those folks that are going to set fires,

How can you prove that someone is in a certain area and intending to start a fire. Hence my previous comment that just having matches/lighters is in no way proof of intent to start a fire.

Please indicate how you would be proactive!

worgeordie Star Member

worgeordie

Advanced Member
24 minutes ago, scottiejohn said:

How can you prove that someone is in a certain area and intending to start a fire. Hence my previous comment that just having matches/lighters is in no way proof of intent to start a fire.

Please indicate how you would be proactive!

Having people up in the hills and forests would be a great help in stopping ,what

happens every year , the cost to Chiang Mai financially and to the health of the

population is immense ,Have the Army ,Police and Volunteers ,camping out if

necessary ,with drones ,roadblocks ,that would be a deterrent ,trying to put out

fires once they have started is much more difficult ,anybody caught in the forests

with matches ,lighters and cigarettes could be questioned ,and they would have

a record of who they are ,

But doing nowt ,you are never going to stop it.

regards Worgeordie

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