PUBLISHED: 3 Feb 2025 at 09: 03
According to the Geo-Informatics and Space Technology Development Agency ( Gistda ), 57 out of the 77 provinces in Thailand were covered in risky conditions for ultrafine dust pollution on Monday morning.
Gistda reported at 8am that in 19 provinces there were red levels ( hazardous to health ) of particulate matter that was 2.5 micrometers and less than 2.5 inches in diameter ( PM2.5 ).
Over the past 24 hrs, Nong Bua Lam Phu experienced the highest dark stage of PM2.5, measuring 99.1 microgrammes per cubic meter of heat.
It was followed by Si Sa Ket (92.1µg/m³ ), Ubon Ratchathani (88.8 ), Kalasin (86.2 ), Surin ( 84.4), Buri Ram (83.6), Maha Sarakham ( 82.8 ), Sing Buri ( 81.9 ), Khon Kaen ( 81.8 ), Roi Et ( 77.1 ), Udon Thani ( 75.9 ), Bangkok ( 75.5 ), and Saraburi ( 75.5 ).
The healthy threshold is 37.5µg/m³.
Twenty regions had protected air quality. They are located in both the North and the South.
Sixteen counties had mild air quality, with PM2.5 levels ranging from 27 to 36. 5 g/m3.
In descending attempt, they were Pattani, Yala, Satun, Phatthalung, Narathiwat, Phuket, Songkhla, Trang, Lampang, Phayao, Phangnga, Ranong, Surat Thani, Chiang Rai, Chumphon and Nakhon Si Thammarat.
Good air quality was detected in Krabi ( 24 ), Lamphun ( 22.1 ), Chiang Mai ( 19.2 ) and Mae Hong Son ( 16.5 ).
Forty-four other provinces faced orange levels ( starting to affect health ) of PM2.5 ranging from 44.1 to 74.8µg/m³. They included Ayutthaya, Kanchanaburi, Nakhon Ratchasima, Prachuap Khiri Khan, Rayong and Samut Prakan.
On Monday morning, the Gistda image shows amounts of air quality in various areas in different colors.