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Phrae PM2.5 Numbers 2020


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Posted

Mar 16,  2021   -   18:00

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Posted

March 17,  2021   -   9:00

North MaeSai/ChiangRai  -  South Lampang

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Very bad until today - north of Chiang Mai
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Eastern Isaan now bad too

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Bangkok clearly better

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                ***************

 

 

Posted

March 18,  2021   -   8:00

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Isaan and Bangkok numbers increasing

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Posted

Mar 19,  2021   -   18:00

AQI                     PM2.5

187    Phrae               126 µg/m³

184    Lampang     120 µg/m³

182    Phayao           116 µg/m³

180    ChiangRai    112 µg/m³

177    Pai                      105.7 µg/m³

133    Chiang Mai     48.5 µg/m³

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Posted

March 20,  2021   -   10:00

image.png.9af7eb0f89eb3a2a34c7b3586374d442.png   

Northern Thailand between Chiang Rai and Lampang

image.png.e6cbede1f0a498d223723ec2a9e24264.png Upper Isaan

image.png.abaaa724fb8a007cafff672a6737d20d.pngNew Delhi

image.png.37d08891f9affa2f845ce0e6aa849f28.png Beijing                       

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Posted

Mar 20,  2021   -   12:00

AQI                           PM2.5  ug/m3

217   Phrae                167 µg/m³

197   Pai                     144.7 µg/m³

195   Nan                  141.5 µg/m³

(ten times the load of Koh Samui)

194   MHS                  138 µg/m³

189   Phayao           129 µg/m³

189   Lampang       129 µg/m³

183   Chiang Rai     118 µg/m³

159   Chiang Mai    70.7 µg/m³

107   Bangkok          37.8 µg/m³

93   Hua Hin             3µg/m³

70   Krabi                  21.1 µg/m³

55   Ko Samui          14.1 µg/m³

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Posted

March 21,  2021   -   10:00

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Spring technically started at 5:37 a.m. Eastern time

yesterday, when the sun was shining directly on the

Earth’s equator, bringing almost equal minutes of

daylight and darkness all around the globe.

image.png.faaea9722de57b1e312ac5c85bfc1fb7.png

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

  • Like 1
Posted

Mar 21,  2021   -   18:00

Some AQI / PM2.5 numbers in northern Thailand.

 

142 µg/m³ Phrae 196

108.1 µg/m³ Pai 178

89.2 µg/m³ Chiang Rai 168

40.7 µg/m³ ChiangMai 114

Here some more far away:

 

Munich  and Lissabon:

Lisbon   AQI 22  -  PM2.5  5.3 µg/m³

Munich   AQI 27  -  PM2.5  6.5 µg/m³

Always very bad: New Delhi, but today  AQI 113  -  PM2.5  110 µg/m³

Beijing, Delhi, Lahore always worst, but Beijing today:  AQI  33  -  PM2.5  µg/m³.

 https://www.iqair.com/)

Riva del Garda  AQI 8  -  PM2.5   µg/m

image.png.01296fbcdd467858f122a256af117a2e.pngno wonder why   

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Posted

March 22,  2021   -   10:00

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North between ChiangRai and Lampang.

Lovely air in Isaan. - Bangkok worse?

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                **************

Posted

March 23,  2021   -   10:00

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                           Better air everywhere     .

Posted

Mar 23,  2021   -   20:00

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Good Memories?  This was 2020:

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

Posted

March 24,  2021   -   10:00

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                                 ChiangRai - Lampang

Posted

Mar 24,  2021   -   19:00

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                                       worse than yesterday

Posted

March 25,  2021   -   10:00

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                North between Mae Sai and Lampang

 

AQI                                                                     PM2.5

326 MaeHongSon   276    µg/m³

204 Pai                       153    µg/m³

166 Phayao                 84    µg/m³

158 Phrae                    70    µg/m³

157 ChiangRai            66    µg/m³

156 ChiangMai           65    µg/m³   

137 Lampang              50   µg/m³

117 Bangkok                 42    µg/m³

113 Phitsanulok            40   µg/m³

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

  • Thanks 1
Posted

Mar 25,  2921   -   18:00

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                          image.png.fc0c939bca9d1d866628784b72fb8ce9.png

      numbers mean - Air Quality Index AQI

 

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iqair.com and http://berkeleyearth.org/air-pollution-overview/    etc.

numbers mean Air polltion concentration,   PM2.5   

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Posted

Mar 26,  2021

 

'In SE-Asia the location of fires and the direction of

pollution transport varies little year to year  ?'

 

Thanks to Laura Kiely et al.:

Air quality and health impacts of vegetation and peat fires in
Equatorial Asia during 2004–2015

https://iopscience.iop.org/article/10.1088/1748-9326/ab9a6c

 

'... A linear relationship between emission and exposure may not be expected;

exposure to PM2.5 and resulting impacts on health depend on the location and

magnitude of the emissions, as well as the atmospheric transport of pollution.

However, in Equatorial Asia, the location of fires and the direction of pollution

transport varies little year to year... '

'... Our work confirms that smoke from Indonesian fires regularly cause substantial

impacts on human health across the region... '
                                                    *******************

 

Posted

March 27,  2021   -   10:00

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Posted

Mar 27,  2021   -   19:00

MaeHongSon-Nakhon Phanom  and  MaeSai-Phrae

                            

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

     

 

 

 

Posted

FlorC   -   Yesterday and today , cough , cough.

Get well soon.

Air pollution is a much bigger problem than many think.

 

Well, sometimes kids are playing with the numbers....

It' s not too difficult... Just for fun.

This morning the AQI might have been around 150?

Or perhaps someone used the wrong model?

Here the Rongkwang numbers offered by

https://aqicn.org/station/รพ.-ร้องกวาง-จ.-แพร่

image.png.783262e738351c3abeb68d145be4b08e.png

 

Don't worry, Phrae had much better air than an area

north of ChiangRai this morning:

7:00  PM2.5 level  230 ug/m3   ~   AQI  280.

Mueang ChiangRai: 

PM2.5 160 ug/m3   ~   AQI  210

(own measurements)

 

 

March 29,  2021   -   18:00

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         North between Mae Sai and Lampang

                                        

 

Posted

March 30,  2021   -   9:00

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Thailand between MaeSai and HuaHin-Trat

            *****************

Posted

Mar 31,  2021   -   9:00  

https://www.iqair.com

PM2.5   ug/m3              AQI

322   ChiangRai            372

202   Phayao                  252

187   Lampang               237

160   Pai                               210

154   Phrae                        204

106   ChiangMai            177

95   MaeHongSon         171

 

Thailand Top Ten

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