February 20,  2021   -   8:00

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Good question, VocalNeal.

Feb 19,  2021   -   12:00

Good read  https://www.iqair.com/thailand/chiang-mai  

According to the data shown on the IQAir website

taken from official PM2.5 readings, the quality of the air

in Chiang Mai seems to be getting worse instead of better...

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February 19,  2021   -   10:00

Big difference to yesterday.

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Feb 18,  2021   -   20:00

Looks good?

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24 minutes ago, BritManToo said:

I don't really care about what happens to me next week.

OK. You don't care. It's your choice.

But there are other (innocent, unknowing, stupid, poor, ...) people, the young and the old,

living 4 to 6 months each year in this unhealthy air.

Not only some years, but usually their whole life...

Nothing is done about it in SE-Asia, Myanmar(?), Bangladesh, India, Pakistan.

Only China seems to improve. Really. - And not only today.

The Wind Blew It Away.

http://berkeleyearth.org/air-pollution-overview/

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Feb 18,  2021   -   17:00

We had strong winds this afternoon, so the air

(and the numbers) much better now than in the table!

North of Phrae  40ug/m3  or  AQI 112 - 

while AQI 164 would be PM2.5 81 ug/m3

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Feb 18,  2021   -   numbers 8:00

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February 18,  2021   -   9:00

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54 minutes ago, Ventenio said:

we are just not that smart. 

I'm afraid you're so right, Mr Ventenio. - Here some

advice from  https://www.iqair.com/thailand/chiang-mai

and their friendly recommendations:

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Hang Dong at 5 PM again in the ThaiTopTen.

But the whole north is poisened.

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Feb 17,  2021   -   numbers 17:00

Nothing to add?

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The air from northeast seems to be ok, while NW winds might

be very bad.  -  Anybody knows the situation in Myanmar?

A further explanation for the high AQI levels up north could

be the power plants Mae Moh/Lampang and Mae Sot/Tak.

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http://berkeleyearth.org/air-pollution-overview/

https://www.iqair.com/

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February 17,  2021   -   9:00

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At night Chiang Mai, San Kamphaeng nr. 8 in TH

This might change the next hour:

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Feb. 16,  2021   -   FYI

Northern Thailand five times in Thailands Top Ten

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The AQI-numbers today at 8:

https://aqicn.org/here

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February 16,  2021   -   8:00

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Feb 15

PM2.5 coming south:

If I could I'd go to Borneo or to Australia. But it's at least

a problem with family and money too.

[http://berkeleyearth.org/air-pollution-overview/]

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Feb 15,  2021   -   18:00

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28 minutes ago, McTavish said:

I could smell smoke this morning

This can be anything. PM2.5 not necessarily smells.

30 minutes ago, McTavish said:

Normal for this time of year.

But not good?

Here is a small table from this morning, Chiang Rai Forum:

Feb 15,  2021   

The winner today at 9 clock:

1.  Lampang  129 / 189

2.  Phayao      77  /  162  

3.  Phrae         76  /  162

4.  ChiangRai  60 / 153

5.  ChiangMai 54 / 146

Sorry, Bangkok. Only

PM2.5   29  /  AQI  86

At night everywhere much 'better'.

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Feb 15,  2021   

The winner today at 9 clock:

1.  Lampang  129 / 189

2.  Phayao      77  /  162  

3.  Phrae         76  /  162

4.  ChiangRai  60 / 153

5.  ChiangMai 54 / 146

Sorry, Bangkok. Only

PM2.5   29  /  AQI  86

But Lampang is really great. The 20 nearest stations (each the air quality value) :

https://aqicn.org/here

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February 15,  2021   -   9:00

Back to  Normal?

Air Quality Index  -  AQI

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So this is, of course, a coincidental connection,

a lignite fired powerplant with a lot of PM2.5-output

and the discovery of new COVID-19 cases. 

Once upon a time ...

'Refugees' is another story.