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Phrae PM2.5 Numbers 2020

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September 5


AQI Bangkok 50 - 100

AQI TH North between 21 and 178

MaeHongSon / Chiang Kham Hospital


Chiang Kham Hosp. AQI 178 – 108 ug/m3

Mae Ai Hosp. AQI 152 – 57 ug/m3

San Kamphaeng Hosp. AQI 152 – 57 ug/m3

San Pa Tong Hosp. AQI 142 – 52 ug/m3


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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

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 

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

Posted Images

September 6   -   10:10 PM

Bangkok and Central Thailand are lighting a lot of fires, 

but most of the dirt seems travelling up north. These days.



image.png.e2d34d628263111f32ea9a4839d6083c.png  image.png.83781e16f6a1ebb55793de90f1d1d16f.png

Excuse the different formats. I can't handle it in

OpenOffice Writer.  -  But this should work:








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September 8 - I


Of course, nothing to do with Thailand.
But an interesting read, especially the 'key findings':


Improving the health and well-being of European citizens is more important than ever, with attention currently focused on addressing the COVID-19 pandemic. The pandemic provides a stark example of the complex links between the environment, our social systems, and our health.


Key findings

    • Air pollution remains Europe’s top environmental threat to health, with more than 400 000 premature deaths driven by air pollution every year in the EU. Noise pollution comes second, contributing to 12 000 premature deaths, followed by the impacts of climate change, notably heatwaves.
    • The burden of pollution and climate change varies across Europe, with clear differences between countries in the east and west of Europe. The highest fraction of national deaths (27 %) is attributable to the environment in Bosnia and Herzegovina and the lowest in Iceland and Norway at 9 %.
    • Socially deprived communities typically struggle under a triple burden of poverty, poor quality environments and ill health. Poorer communities are often exposed to higher levels of pollution and noise and to high temperatures, while pre-existing health conditions increase vulnerability to environmental health hazards. Targeted measures are needed to improve environmental conditions for the most vulnerable in Europe.
    • People are exposed to multiple risks at any time, including air, water and noise pollution, and chemicals, which combine and in some cases act in unison to impact on health. European cities are particularly vulnerable to these multiple threats, while also having less access to green and blue spaces.
    • Ongoing research is investigating the links between the current COVID-19 pandemic and environmental dimensions. The virus behind COVID-19 is thought to have “jumped species” from animals to humans, an unforeseen outcome of the pressure that increasing consumption places on our natural systems. Regarding the impact of COVID-19 on communities, early evidence suggests that air pollution and poverty may be linked to higher death rates. Further research is still needed to clarify these interactions, according to an initial assessment in the report.
    • ******************************************************
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September 14


image.png.c4ce7cffa3ba4108152753cc172a08e1.png image.png.5fc2b9b6229aabdc67e1304ac1b48f8b.png image.png.6e2503d55a6ee30caf31c5ab496b3115.png 

PM2.5                               PM10                          Firemapper


image.png.e1afbee2917b6f0247a347d84ed1e3ca.png image.png.12c150c4de2e9d288de4648b7ce148c9.png

 North                     Bangkok


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September 18

' As I write this white ash is visible in the polluted

San Francisco Bay Area air, wafting down from a

smoky orange sky and into our lungs, a dangerous

byproduct of wildfires burning more than 3 million

acres in California, Oregon and Washington. ' 

(written last Friday)







' Berkeley Earth offers not just real-time data, but

also historical data for comparison.  Do you want

to know how air pollution in your city in August 2020

compares to the fire season in 2019, 2018, or 2017? 

You can easily look this up on our historical graphs. '



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September 29

Good air all over Thailand. Bangkok seems to

be bad, Chiang Mai very bad? - OK, relativly.


e.g. 60 ug/m3 corresponds to an AQI 153

this would be called unhealthy.

100 ug/m3 matches AQI 174, unhealthy too.

Links today:  https://www.ventusky.com/




The highest AQI I can see now at 8 PM in CM

(thanks aqicn.org) is AQI 70 (21 ug/m3) -

the highest AQI in BKK/Dindaeng is AQI 107 (40 ug/m3)


this is pretty different to ventusky.com,

but it is not: good.



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