The Bangkok Metropolitan Administration (BMA) recommends telecommuting on January 29 and 30 after a marked increase in PM2.5 concentrations.
In the eastern part of the capital, several districts have switched to the red level of pollution.
The BMA has requested the cooperation of agencies and employers to allow their staff to work from home (WFH) on January 29 and 30, 2026.
Bangkok announced this measure two days after a large mass of smoke related to fires outside the city moved towards the capital on January 27, deteriorating the air quality.
Four districts at the highest risk level
On January 29, PM2.5 measurements in parts of eastern Bangkok reached the red level, considered very harmful to health, with around 75 to 80 micrograms per cubic meter and above.
The four districts reported as the most affected were as follows:
- Nong Chok (the highest in Bangkok)
- Min Buri
- Khlong Sam Wa
- Khan Na Yao
More than 35 districts at the orange level
Beyond the four red districts, more than 35 districts have been reported at the orange level, where health effects can start to be felt, covering a large part of Bangkok, including areas bordering the red zones and major economic quarters.
Urgent health measures and advice
Bangkok stated that the request for telecommuting aimed to reduce vehicle travel and emissions, while limiting exposure to hazardous air.
The authorities have issued the following recommendations:
- Telecommuting (January 29-30): public and private organizations are invited to cooperate.
- High-risk groups: young children, the elderly, and pregnant women should avoid outdoor activities as much as possible.
- General public: If you have to go out, wear an N95 mask (or an equivalent mask rated PM2.5) and limit your time outdoors as much as possible.
See also:
Air pollution in Thailand: the Page urgency of a law facing the PM2.5 crisis
Toxic smog in Thailand: alarming levels in 57 provinces
Source: The Nation Thailand
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