Severe air pollution continues to affect 21 provinces across Thailand, with Mahachai in Samut Sakhon facing the most significant challenges due to high levels of PM2.5. Officials have warned residents in Bangkok and its surrounding areas to brace for worsening air quality over the next few days.
The Pollution Control Department’s Air Pollution Resolution Communication Centre reported today, December 20, that PM2.5 levels, particulate matter measuring 2.5 micrometres or smaller, were recorded across the country. The 24-hour average levels ranged from 7 to 57.5 microgrammes per cubic metre (µg/m³), with the national standard set at a maximum of 37.5 µg/m³.
Elevated PM2.5 concentrations were detected in several provinces, including Bangkok, Samut Sakhon, Samut Prakan, Nan, Sukhothai, Phitsanulok, Phetchabun, Uthai Thani, Sing Buri, Saraburi, Ang Thong, Kanchanaburi, Ratchaburi, Samut Songkhram, Phetchaburi, Nong Khai, Loei, Nakhon Phanom, Khon Kaen, Kalasin, and Yasothon.
In the northern region, six locations exceeded the standard, with PM2.5 levels ranging from 7.0 to 48.5 µg/m³. The northeastern region also saw six areas exceeding standards, recording 19.4 to 47.3 µg/m³.
Central and western regions mostly showed readings above the standard, with figures between 21.0 and 57.1 µg/m³. The eastern region fared better, maintaining good air quality with levels between 15.5 and 32.4 µg/m³, while the southern region remained in excellent condition, recording 9.3 to 25.2 µg/m³.
In Bangkok and its vicinity, the department, in collaboration with the Bangkok Metropolitan Administration, identified 11 areas with PM2.5 levels exceeding safety standards, ranging from 23.2 to 57.5 µg/m³. Mahachai in Samut Sakhon reported the highest levels, significantly surpassing the threshold.
Predictions for the next seven days, from today until December 27, indicate that air quality in Bangkok and its surrounding areas is expected to deteriorate between December 21 and 23. Despite improvements in 17 provinces in the north, vigilance is still required in specific areas.
The northeastern region is anticipated to see increased pollution levels from December 21 to December 27, necessitating continued monitoring. Conversely, the eastern region is expected to see reduced PM2.5 levels, maintaining excellent air quality, as is the case in the south, reported KhaoSod.
“Residents should monitor their health, limit outdoor activities, or use protective gear when necessary, particularly for those requiring special health care,” the health advisory suggested. “In case of health symptoms, consulting a doctor is recommended.”
For real-time updates, the public can access information through the websites Air4Thai.com and airbkk.com, as well as through the Air4Thai and AirBKK applications.
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