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Phrae PM2.5 Numbers 2020


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Posted

October 5

 

http://www.air4thai.com/webV2/region.php?region=2

This interesting website is back in new design.

image.png.a9d7dd0dd243c3e088af8968a12d0997.png

image.png.78eb195f057ac5b9e2f3c9d74cf1d7a7.png

Please check any other Thailand region here:

http://aqmthai.com/web/main.php

 

*  To compare these numbers with aqicn.org or ventusky.com or with http://berkeleyearth.org/air-pollution-overview-new/

    might be a good idea.

*  Berkeleyearth seems to have some problems these days.

*  Similar things happen sometimes to most of the websites concerning climate, weather etc.  -  really strange.

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

 

  • Thanks 1
Posted

October 8

 

The 2019-2020 bushfires in New South Wales (NSW)

have been unprecedented in their extent and intensity.

The dust traveled to South America, more than 15,000 km.

image.png.39c33b8e3460c07605f2c10a21d78609.png

 

 

In September 2020, historic wildfires on the U.S.

West Coast lofted plumes of smoke high into the

atmosphere. Pushed by prevailing winds that sweep

air from west to east.                       Leipzig, Germany:

11./12.09.20. The consequences of the massive forest fires

on the US west coast can also be felt in Europe: smoke from

California has been pouring over Germany since Friday morning.

Measuring devices from the Leibniz Institute for Tropospheric

Measurement (TROPOS) show a layer of dust that has been floating

over Leipzig since 6 a.m. on Friday. During the course of Friday and

Saturday the shift decreased from 10 to 12 to 5 to 10 kilometers in

height. The layer of smoke continues on Monday. It has now fallen

to around 4 kilometers.

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

What is PM?

PM stands for particulate matter (also called particle pollution): 

the term for a mixture of solid particles and liquid droplets

found in the air. Some particles, such as dust, dirt, soot, or

smoke, are large or dark enough to be seen with the naked

eye. Others are so small they can only be detected using an

electron microscope.

image.png.5da68c4d239da9d369a0374e385656c5.png

PM10 inhalable particles, with diameters that are generally

10 micrometers and smaller.

PM2.5 : fine inhalable particles, with diameters that are generally

2.5 micrometers and smaller.

How small is 2.5 micrometers? Think about a single hair from

your head. The average human hair is about 70 micrometers

in diameter – making it 30 times larger than the largest fine particle.

https://www.epa.gov/pm-pollution/particulate-matter-pm-basics

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

 

Posted

October 9

 

Already in October a lot of yellow-orange flags.

image.png.e3ee57387b8ed236bc476af1a25f868b.png

                   ***********               

Posted

October 9 - I

 

I can see clearly now...

image.png.b9b28ba185bd1b513ee33437038e25c8.png

ventusky.com

 

And this is Beijing:

image.png.e864297b1e73dc8208cc0dd9322b67ea.png

aqicn.org

Let's hope there is no 'winter monsoon' this year (?)

But, no cooler nights? No pleasant days?

 

If the winds might be coming from north west?

image.png.dde06abbaf973647f5003a182084e414.png

OK, very bad too. Like early 2020.

                ***********

 

 

 

 

 

Posted (edited)

October 13

 

I'm not Cassandra, cursed to utter prophecies, but never

to be believed.

Good idea to check the air purifiers and their filters now.

image.png.4ca4023dfdacb2a483a4d5b01b64fc18.png  

aqicn.org

Air Purifiers

image.png.3c0baff67c5b3a38e582e80994a3effe.pngimage.png.186dc213a023a197e00bb2093fbe9238.png 

The model on the right has a PM2.5 meter built-in

 

PM2.5 Detector

image.png.2ada3f545d621612a6020c5515a02f64.png    

                      

Cassandra in front of the burning city of Troy

 

image.png.46462f3e203b72587ce84ffc21428a2d.png

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

image.png

Edited by Yom
Posted

October 15

 

image.png.d3591526ca0db070b11937fd5bae8a33.png

today ~ 10:00

'Rainfall is expected in the Northeast'

image.png.c3d96fe634ef4e522863599d4f3d7c8c.png

                **********

 

Posted (edited)

October 17

 

https://tna.mcot.net/english-news-563784   -   also:

Bangkok governor Aswin Kwanmuang said he discussed fine dust solutions ... as the pollution

of particulate matter 2.5 micrometers and less in diameter (PM2.5) would normally return

from December due to stagnant air.

 

This is interesting:

' PM2.5 resulted from many factors including vehicles, burning and construction '

 

What will be done?

*   ban vehicles with six wheels or more from entering inner Bangkok between 6am and 9pm

    from December to February to reduce vehicle emissions.

*   school management would be advised to suspend outdoor activities from December to February

    and close schools if severe fine dust pollution continues for longer than three days

*   Outdoor construction would be suspended during thick PM2.5 conditions

*   Dust control measures would also cover the hospitals and hotels that used boilers

 

So, everything will be fine.

 

Today in Thailand good and fresh air, except some places in Bangkok.

image.png.69626c8e2cd780dd79d2319e202ecaa2.png

 

The Future? Nobody knows.

image.png.9025f0d38013cd285c2ed9b65e1a832d.png

ventusky.com

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

Confirm:

image.png.fa536812da6ddf6df5ba755702fc15e6.png

aqicn.org

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

 

 

Edited by Yom
  • Thanks 1
Posted

October 18

(AQI-data October 2019 on page 22 -Oct. 1)

 

image.png.4ca9d1b26c7c2d2873193af758657a9c.png

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

Posted

October 18 - I

 

Do you remember this? - Only eight months ago.

February 18, 2020

image.png.41c0da7d6d4c5f624a1f24087c400fef.png 

                  ***********

               

Posted

October 19

 

Bangkok most parts yellow, some orange.

Up north green, some yellow. 

While there is so much rain?

image.png.536a6ac292123c3e21f79cc25f87a99c.png

               ***********

Posted

October 19 - I

 

Rainfall and flooding info:

Isan: Heavy rainfall occurred in some areas throughout the week

with very heavy rainfall in some areas on 15 and 17 Oct. Flood

occurred at Nakhon Ratchasima province on 12-16 Oct., at Si Sa Ket

province on 13 Oct., at Ubon Ratchathani province on 15 Oct., at

Chaiyaphum province on 17 Oct.

Eastern: Flood occurred at Sa Kaeo province on 12-15 Oct., at

Chachoengsao province on 13-15 Oct., at Chonburi and Prachinburi

provinces on 18 Oct.

(Cambodia and Vietnam were hit too.)

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

                      

 

Posted

October 23

 

North green-yellow

Bangkok yellow-orange

Isan yellow

image.png.806a9f988aed1ced4cc4865be468ae71.png

 

Autumn colors ?

image.png.bc807995c86f236509476268fb303977.png

                     ***************

 

Posted (edited)

October 24   ~   19:00

Same , same?

image.png.f71a1ee11deb74e8c31f2c8c317957ad.png

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

                         

Edited by Yom
Posted

October 26

Green-yellow-orange

image.png.d68d2dd7e3fb937128b1276e51e7c20d.png

 

Phrae Province - Welcome new stations!

image.png.507d4f473c65e9101ffe518ea92b3179.png

103 - Phrae Hospital                                              (PM2.5  17:00)

67 - Ban Tae

37 - Ban Thung Khaeo

20 - Rongkwang Hosp./Rongkhem (101/103)

76 - Ban Nong Muang Khai

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

 

 

 

 

Posted

October 29

 

North yellow and a bit of green and orange,

Isaan mostly green.

image.png.9c353a22332ca0bac0e6970d934c08ee.png

              **********

Posted (edited)

October 30     -   17:00 to 20:00

 

Thanks to rain almost green everywhere.

image.png.17d5abdb95c330b9629cf2a5b80bf8d2.png

 

The Overview not so nice:

image.png.c6f4fff18f3195cb28f05a5913fe26be.png

                         ************

 

 

Edited by Yom
added time
Posted

November 4   -   Numbers 8:00

 

image.png.cdb6874367085ee897173fe9eb94ea85.png

aqicn.org

image.png.6c69f5e0e431291b10e5a3ce792f4ff2.png            

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

 

Posted (edited)

November 4   - I

20 km north of Phrae:

Noon   40 ug/m3     AQI 112  image.png.890e5c3b3be6c7b6e81557bb5b7577be.png       

18:00   50 ug/m3     AQI 137  image.png.890e5c3b3be6c7b6e81557bb5b7577be.png

People with respiratory or heart disease, the elderly and children are the groups most at risk.

https://www.airnow.gov/aqi/aqi-calculator-concentration/

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

 

Edited by Yom

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