On Tuesday morning, residents in 41 out of 77 provinces across Thailand enjoyed safe air quality, while certain areas in the North, Central Plain, and East still experienced hazardous levels of ultrafine dust, though not at critical levels, as reported by the Geo-Informatics and Space Technology Development Agency.
As of 8 AM, the agency indicated that no regions recorded red-level pollution (hazardous to health) nationwide, with all unsafe air quality levels marked at orange (beginning to affect health) ranging from 38.6 to 72 micrograms per cubic meter of air in 36 provinces. The safe threshold is set at 37.5µg/m³.
The highest PM2.5 concentration of 72µg/m³ was observed in Sukhothai, followed by Trat with 67.8µg/m³, and Phrae with 67.4µg/m³. Other notable readings include Kamphaeng Phet (66.7µg/m³), Lampang (58.1µg/m³), and Uttaradit (58µg/m³).
Sixteen provinces reported moderate air quality, marked in yellow with PM2.5 levels between 25.1 and 35.2µg/m³. These provinces include Pattani, Yala, and Chiang Mai.
Twelve provinces maintained good air quality, classified in green, with PM2.5 levels ranging from 17.1 to 24.9µg/m³, including Surat Thani and Khon Kaen.
Moreover, thirteen provinces in the Northeast showcased very good air quality, represented in blue with PM2.5 levels between 7.8 and 14.7µg/m³, including Roi Et and Maha Sarakham.
The air quality map displays regional conditions in various colors as of Tuesday morning.
