PUBLISHED : 12 Feb 2025 at 08:42
In a concerning update, 67 out of 77 provinces in Thailand are currently experiencing hazardous levels of PM2.5 ultrafine dust pollution, with Greater Bangkok facing the most severe conditions. A report from the Geo-Informatics and Space Technology Development Agency highlighted that, as of 7 AM, 26 provinces recorded ‘red’ levels of particulate matter with concentrations ranging from 77 to 135.1 micrograms per cubic meter of air in the past 24 hours. The established safety threshold for PM2.5 is 37.5µg/m³.
Bangkok reported the highest level of PM2.5 at 135.1µg/m³, followed closely by Samut Sakhon (130.8µg/m³), Samut Prakan (128.1µg/m³), Nonthaburi (122.7µg/m³), Pathum Thani (114.7µg/m³), and Nakhon Pathom (112.8µg/m³).
Additionally, 20 other provinces also recorded hazardous red levels, including Samut Songkhram, Phetchaburi, Ratchaburi, Chachoengsao, Chon Buri, Nong Khai, Kanchanaburi, Ayutthaya, Prachin Buri, Saraburi, Rayong, Suphan Buri, Prachuap Khiri Khan, Nakhon Nayok, Lop Buri, Nakhon Ratchasima, Uthai Thani, Chanthaburi, Kalasin, and Sa Kaeo.
Conversely, 10 provinces reported safe air quality, with eight of them marked as moderate, exhibiting yellow levels of PM2.5 ranging between 26.9 to 36.2µg/m³, including Nakhon Si Thammarat, Rayong, Surat Thani, Lamphun, Chiang Rai, Chumphon, Krabi, and Amnat Charoen.
Two northern provinces, Chiang Mai (21.3µg/m³) and Mae Hong Son (19.1µg/m³), reported excellent air quality, denoted by green levels of PM2.5. Meanwhile, 41 additional provinces fell into the ‘orange’ category, indicating starting health effects, with PM2.5 levels between 38.8 to 72.2µg/m³, such as Khon Kaen, Phangnga, Phuket, Songkhla, Trang, and Ubon Ratchathani.
Recent data indicates red levels of PM2.5 in Greater Bangkok.