People in 41 of Thailand’s 77 provinces can breathe freely on Tuesday morning while parts of the North, the Central Plain, and the East still have risky levels of ultrafine dust, according to the Geo-Informatics and Space Technology Development Agency ( Gistda ).
Gistda’s report on the levels of particulate matter 2.5 micrometres and less in diameter ( PM2.5 ) at 8am showed no red levels ( hazardous to health ) of the ultrafine dust nationwide.
Over the past 24 hrs, air pollution levels ranged from 38.6 to 72 microgrammes per square meter in 36 provinces, all of which were unhealthy. The healthy level is 37.5µg/m³.
The highest PM2.5 level ( 72µg/m³ ) was recorded in Sukhothai, followed by 67.8µg/m ³ in Trat, 67.4 in Phrae, 66.7 in Kamphaeng Phet, 58.1 in Lampang, 58 in Uttaradit, 57.2 in Phitsanulok, 55.8 in Nan, 52.5 in Tak, 48.5 in Phayao, 48.2 in Pathum Thani, 47.9 in Nakhon Nayok, 47.4 in Ayutthaya, 47 in Sing Buri, 46.8 in Chachoengsao, 46.6 in Uthai Thani, 46.1 in Prachin Buri, 45.8 in Ang Thong, 45.7 in Saraburi, 45.5 in Lamphun, 45.5 in Chon Buri, 44.8 in Phetchaburi, 44.7 in Nakhon Sawan, 43.8 in Phichit, 42.3 in Suphan Buri and Chanthaburi, 41.6 in Lop Buri, 40.7 in Chai Nat, 40.6 in Ratchaburi, 40.3 in Kanchanaburi, 40 in Samut Songkhram, 39.9 in Rayong, 39.5 in Prachuap Khiri Khan, 39.1 in Chiang Rai, 38.9 in Bangkok and 38.6 in Samut Prakan.
16 provinces had mild air quality, with PM2.5 levels ranging from 25. 1 to 35. 2 g/m3.
In descending order of PM2.5 degrees, they were Pattani, Yala, Nakhon Pathom, Chiang Mai, Nonthaburi, Chaiyaphum, Phetchabun, Phuket, Narathiwat, Sa Kaeo, Songkhla, Nakhon Ratchasima, Trang, Phangnga, Samut Sakhon and Nakhon Si Thammarat.
Twelve regions had fine weather, represented in natural levels of PM2.5 ranging from 17.1 to 24.9µg/m³.
In descending attempt, they were Surat Thani, Khon Kaen, Phatthalung, Satun, Ranong, Krabi, Mae Hong Son, Loei, Chumphon, Buri Ram, Nong Bua Lam Phu and Si Sa Ket.
Thirteen counties in the Northeast had really good air quality, with PM2.5 amounts ranging from 7.8 to 14.7 g/m3.
In descending attempt, they were Roi Et, Maha Sarakham, Surin, Kalasin, Ubon Ratchathani, Yasothon, Sakon Nakhon, Udon Thani, Nong Khai, Nakhon Phanom, Mukdahan, Bueng Kan and Amnat Charoen.
On Tuesday night, the Gistda air quality image shows various regions ‘ levels of color.