/Featured Quiz4 October - Weekly Featured Quiz - General Knowledge

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Rain abates, fires foul air in North

By Tossapol Boonpat 
The Nation

 

 

Continuing forest fires pushed air quality in northern Mae Hong Son province well beyond the safe level on Monday.

 

After 10 days during which particulate matter smaller than 10 micrometres (PM10) were found to be within the safety limit of 120 micrograms per cubic metre – a respite credited to recent rains – the level rose again on Sunday to 150 micrograms. 

 

 

On Monday, the level at 5am was 164 micrograms, and by 10am 177 micrograms. 

 

More forest fires were reported along the Myanmar border in the past three days, contributing to the rise in PM10, said a source at a military unit based west of Muang Mae Hong Son.

 

 

Soldiers joined volunteers in extinguishing the blazes.

 

Khun Yuam district chief Narongchai Jindapan said residents were setting fires to clear brush so they could return later and forage for mushrooms and edible buds, which are believed to become more plentiful when rainfall accompanies intense heat, such as from fires or very hot weather.

 

 

At 10am on Monday the Pollution Control Department reported unhealthy PM10 levels in Mae Hong Son (177 micrograms), Muang Chiang Mai (124) and Chiang Rai’s Muang district (137) and Mae Sai district (123).

 

Source: http://www.nationmultimedia.com/detail/breakingnews/30343249

 

-- © Copyright The Nation 2018-04-16

[wolfmuc]

Screenshot today 11 a.m. ICT

[fantom]

What were the much more important PM2.5 levels?

[Rimbuman]

[PerkinsCuthbert]

2 hours ago, fantom said:

What were the much more important PM2.5 levels?

Currently 115-145, depending which site is reporting

[Tarteso]

A very danger sunday in Chiang Dao...

Edited April 16, 2018 by Tarteso

[connda]

We're getting deluged in Northwest Lamphun province. Heavy rains since 4 pm. Hope to wake up to some relatively clear air tomorrow.  Should be a heck of a mushroom season in Thailand this year, considering that it's citizens are burning the country down. 

[fantom]

I am very much aware of the AQI data and how to get it, what concerns me is that in the OP the information is inherently misleading as it omits the most important data set, the PM 2.5 data. Also what seems to be omitted is where they got their information from.

As a matter of interest on my personal PM 2.5 monitor in the hills north of Chiang Mai i on Saturday I was seeing readings of over 300.