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Phrae PM2.5 Numbers 2020

Yom
in Chiang Rai

Featured Replies

  • Author

December 14   -   18:30

 

North of Phrae  100 ug/m3  PM2.5

or AQI  174        image.png.86b67fa186b2a4770a496b838afd88b7.png

 

 

  image.png.b31d7f25c80a22666db909ef4c73ce95.png  

 

North - some places bad, others not.

                   **************

  • Replies 848
  • Views 100.5k
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Most Popular Posts

  • 4MyEgo
    4MyEgo

    Welcome to Thailand.   1) Turn on a good quality air purifier with HEPA filter 2) PM2.5 indoor detector/monitor will tell you when the air quality is bad 3) Seal up your doors and

  • URMySunshine
    URMySunshine

    I wish moving to the sea was an option but all the sub forums are now having the same discussions. It's 157 in Jomtien today and the air has been terrible for days. I think record warmer weather has m

  • saengd
    saengd

    Change is taking place Yom, slowly but surely, a few years ago there was no burning ban and people couldn't care less. Today there are bans and people are starting to care, it's not perfect but it is 

Posted Images

  • Author

December 15   -   6:30

 

When you walk through the dust
Hold your head up high
And don't be afraid of the dark ...

You'll never walk alone,

neither in ChiangRai nor in Bangkok.

image.png.d5be315e3678f952cd122306dc5f46b6.png

 

air quality  -  a bit hidden in:  bangkok-news

*  residents-of-bangkok-advised-to-avoid-out-door-

   activities-as-air-quality-worsens

*  bangkok-air-pollution-at-unsafe-levels

*  thick-pm25-to-continue-until-dec-17   

*  pollution-in-bangkok-hits-harmful-levels-on-friday-11-dec

    (4 different threads on TV today...)

 

image.png.312e819e3f2cb8d1445f8780344fe0f9.png

https://aqicn.org/here   5:00

                 *********************

 

  • Author

December 15   -   18:00

While CM and CR are yellow and orange

- with some red dots -

and the Isan mostly green, Bankok is

not good, but has improved a lot.

image.png.e159e757eb5ebd8e69e2ee51951f442d.png

               ***********

 

  • Author

December 16   -   9:00

 

Today the whole north again worse than Bangkok.

Most of happy Isan green.

image.png.13b045df003f5557bd3972219b4ea4b6.png

--- same scale ---

image.png.1cc3cd5ecca5e534f1e456530564ca63.png

https://aqicn.org/here

                            *****************

  • Author

Some up to date information on ThaiVisa:

https://forum.thaivisa.com/topic/1196978-thai-authorities-to-clamp-down-on-polluters-as-haze-chokes-bangkok/

https://forum.thaivisa.com/topic/1192647-its-back-lousy-air-qualityugh/

https://forum.thaivisa.com/topic/1196940-bangkok-has-world%E2%80%99s-3rd-worst-air/

https://forum.thaivisa.com/topic/1196516-bangkok-air-pollution-at-unsafe-levels/page/

https://forum.thaivisa.com/topic/1161887-bangkok-air-pollution-2020/

https://forum.thaivisa.com/topic/1196999-bangkok-pollution-is-so-bad-public-health-ministry-advises-people-to-work-from-home/

https://forum.thaivisa.com/topic/1196750-residents-of-bangkok-advised-to-avoid-out-door-activities-as-air-quality-worsens/

https://forum.thaivisa.com/topic/1196762-thick-pm25-to-continue-until-dec-17/

https://forum.thaivisa.com/topic/1196807-pms-office-permanent-secretary-orders-officials-to-address-pm25/

                                                                         *************************

 

 

 

 

 

 

 

 

  • Author

December 17   -   18:00

 

Bangkok some dirt spots, the north yellow-orange

with some red while Isan a lot of green.

image.png.fc3ced9e8248a343a0a5aa656208e5e2.png

                       ***********

  • Author

Dec. 17   -   this afternoon.

These are the clouds transporting 'dirt' from eastnortheast to...?

image.png.306e9b1862edebcc456dd2ed4140b1ec.png

                                   **************

 

 

  • Author

December 18   -   19:00

North:  air quality not good. - Those affected

should switch on their air purifiers.

image.png.aa9b523f3439a97f37dc8fbe2f90d293.png

                   ************

  • Author

    December 20   -   17:00

 

image.png.c32c17a9bfdca79abe16809440a21ba5.png

                      ************

  • Author

December 21   -   17:00

Winter solstice - no snow, no ice,

but a lot of green

image.png.eb62710f2ac1f7eba37bfba5440bc3c4.png

                         **************

  • Author

December 22   -   6:00

 

image.png.4e74c61861bc422eae0bcd4f93d91a37.png

 

image.png.426d203db32ce272ae89f69f84d8784d.png

                    ***********

  • Author

December 22   -   17:00

North remaining yellow and orange,

Bangkok and Isan better than yesterday.

image.png.c2c4bcb43049484a32877a1d13bdaa23.png

                        *********

  • Author

December 23   -   17:00

 

image.png.7acaf9cca70c72b33ecf397f91968b3c.png

                            ************

  • Author

December 24   -   8:00

 

image.png.3ed8325f50d13d89869063fde8ea9331.png

Bangkok and Isan similar

                                 ************

  • Author

December 24   -   20:00

 

image.png.5419408da9190385ecb32040c3a2d244.png

                          ************

  • Author

December 25   -   9:00

One of the two is much 'better'

image.png.627c775fe389e0e7c5ec12d781d2239e.png
same scale

image.png.ebe5a67457c651a641630bc3a1a7b970.png

 

Some interesting posts on thaivisa

https://forum.thaivisa.com/topic/1198225-toxic-haze-

hits-14-areas-in-bangkok-vicinity/?tab=comments

#comment-16109941

or

 

https://forum.thaivisa.com/topic/1198222-im-fed-up/

page/2/?tab=comments#comment-16110041

 

 

                        ***********

  • Author

December 25   -   17:00

 

image.png.4d938d99945f32bec7796ee8d27bc578.png

                     ************

  • Author

December 25   -   21:00

 

image.png.7b0bb7a5efba7599ca75e93226cf3087.png

                 ***********

 

 

  • Author

December 26   -   11:00

Isan green and yellow 

North and Bangkok bad air again

image.png.f1026380f9f79691f9a148aa65200ba0.png

https://aqicn.org/here

                       ************

  • Author

December 26   -   21:00

Tonight worse than at noon

image.png.50671d7d3a2feb46afe917c4b1fa1de6.png

             ********

  • Author

December 27   -   11:00

 

image.png.0a8b9c7ba9945e4799d51877f673106b.png

                   **********

  • Author

December 28   -   11:00

image.png.fb1e06693c2dfbf91849205f3691935a.png

not much different from yesterday

                      ***************

On 12/26/2020 at 11:44 AM, Yom said:

North and Bangkok bad air again

 

What standard do you use for your basis of good or bad? 

  • Author
5 hours ago, VocalNeal said:

What standard do you use for your basis of good or bad? 

 

Thanks for your question, Mr. VocalNeal.

Is there any standard anywhere for good and bad?

You are  referring to this picture?

image.png.956b5214c12d5cae53688939539ba99e.png

There are so many sophisticated sensors these days all over the world

and so many different models to calculate, to represent, that you must

decide for yourself, what to accept, what to trust, what's good, what's bad.

'bad'

Under the given circumstances (what is feasible in TH?)

50 to 60 ug/m3 PM2.5 or AQI 137 to AQI 153 is bad till very bad.

Everything above I usually call crazy.

Even if you usually can't see or smell the air pollution.

 

There are different limits all over the world. I would prefer US standards, 

better than EU or Thailand, while China seems to be the bad boy.

 

Please have a look at the decreasing ug/m3–PM2.5-numbers over

19 years in the US. -  Thailand will never reach this goal.

At least not in my lifetime.

 

image.png.a17b943c45c400a75f1073b792dbfd51.png

https://www.epa.gov/air-trends/particulate-matter-pm25-trends

To add:  US 'National Sstandard'  ~ 12ug/m3   that means an   AQI  50.

People often confuse the names/units.

                                    *****************

 

 

    • Thanks 1

    OK cheers. Most posts or sites seem to concentrate on dust ie. PM2.5 which is mostly construction or blown from outside countries except of course in BKK. (condo construction etc.)

    • Author

    December 29   -   19:00

    Good or Bad - You can decide

    image.png.967ea3d34bc63652ca1ca1327fc47d7c.png

                      ***********

     

    • Author

    December 30   

    3:00

    image.png.2e1529a703126f5f1f0c99c1655a9e9b.png

     

    11:00

    image.png.e4f3909089fe76ce15c4a6122873e156.png

     

    13:00

    image.png.6e45b769b1e3d3528050bfdfa3b311b0.png

                    **********

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