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Bangkok Unveils New WFH Criteria to Combat High PM2.5 Levels

Bangkok: Bangkok authorities have introduced updated Work From Home (WFH) criteria to mitigate air pollution caused by high PM2.5 dust levels. Mr. Chadchart Sittipunt, the Governor of Bangkok, announced these measures in response to increased PM2.5 levels in the city, which are partly attributed to vehicular emissions and outdoor biomass burning. The city is implementing strategies, including restrictions on certain vehicles and encouraging engine maintenance, to address the issue.

According to Thai News Agency, the WFH policy will see adjustments in its activation criteria. Initially triggered by PM2.5 values reaching the red level in five districts, the WFH measure will now be implemented more proactively. The governor highlighted that, as WFH remains voluntary, the criteria will be relaxed to streamline its announcement and encourage participation. In February 2024, 151 public and private networks joined the WFH initiative, reducing road traffic by nearly 10%.

Mr. Pornprom Vikitset, Advisor to the Governor, elaborated on the new WFH announcement criteria. Should PM2.5 levels reach the orange level (37.6 - 75.0 µg/m3) across 35 districts, coupled with poor ventilation rates and over 80 burning points per day for three consecutive days, a WFH announcement will be made. The city is monitoring conditions closely, with potential announcements expected early next week.

The governor emphasized the importance of public participation in the WFH network, currently comprising nearly 100,000 agencies. He urged more companies to join, offering registration through the BMA link. Additionally, the Air Quality and Noise Management Division is available for inquiries regarding participation.

In addition to WFH initiatives, Bangkok is exploring mist spraying along electric train lines and expressways to tackle PM10 and PM2.5 particles. Although the project remains in the conceptual phase, authorities are gathering evidence to assess its feasibility.

Nationally, the government is intensifying efforts to curb illegal burning, a significant contributor to air pollution. In Bangkok, stringent measures have minimized burning activities. The governor is optimistic that these collective efforts will improve air quality, with cooperation from various sectors and technological interventions like royal rainmaking.

Public awareness is also increasing, with more people wearing masks to protect against dust exposure. Inspections of black smoke-emitting vehicles are underway, with strict penalties for non-compliance. The public is encouraged to report offending vehicles via Traffy Fondue, aiding in the city's pollution control efforts.