Unsafe levels of smog cover Bangkok, 26 provincesListen to this articleUltra-fine dust reached unsafe levels in Bangkok and 26 provinces, primarily in the Central Plains, on Tuesday morning, according to the Geo-Informatics and Space Technology Development Agency (Gistda). Very good air quality was detected in 11 southern provinces, with PM2.5 levels between 9.5 and 14.6 µg/m³. The provinces included Phuket, Narathiwat, Pattani, Mae Hong Son, Yala, Trang, Satun, Surat Thani, Nakhon Si Thammarat, Phatthalung and Krabi. Other provinces experienced either good or moderate air quality. The Meteorological Department attributed the smog accumulation to stagnant air, which is expected to persist until Wednesday.

Source: Bangkok Post December 23, 2025 05:11 UTC