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Bangkok warns: PM2.5 levels endanger health – home office recommended!
Bangkok informs about high PM2.5 levels on December 4th, 2025 and recommends WFH measures to protect citizens' health.
Bangkok warns: PM2.5 levels endanger health – home office recommended!
PM2.5 levels are rising alarmingly in Bangkok and the city government is urgently asking the public for help. On December 4, 2025, the city's Facebook page published a message asking all citizens to work from home as much as possible. The initiative aims to help reduce the health impacts of air pollution, which is rated “orange” in over 35 city districts. In this phase, PM2.5 levels above the limit of 37.5 µg/m³ pose a serious threat to health.
The city of Bangkok recommends that citizens wear PM2.5 protective masks when leaving buildings and limit the time for intensive outdoor activities. Those at risk should also minimize their time outdoors and, if necessary, seek medical advice immediately if symptoms such as coughing, difficulty breathing or eye irritation occur. To help disseminate this information, the city has also provided a special link to register for a home office network.
The situation of air pollution
A recent analysis of PM2.5 levels shows that the limit values have been significantly exceeded in several districts of Bangkok. At 11:00 a.m., the average PM2.5 level was actually 51.8 µg/m³, making the situation alarming. Districts such as Sathorn with 67.5 µg/m³ and Minburi with 63.9 µg/m³ are particularly affected. The full list of the 12 hardest hit counties is:
| district | PM2.5 value (µg/m³) |
|---|---|
| Sathorn | 67.5 |
| Minburi | 63.9 |
| Lat Krabang | 61.6 |
| Bang Rak | 60.3 |
| Yan Nawa | 59.5 |
| Ratchathewi | 58.1 |
| Nong Khaem | 57.4 |
| Pathum Wan | 57 |
| Khlong San | 56.9 |
| Khlong Sam Wa | 56.7 |
| Bang Kho Laem | 56.3 |
| Bang Kapi | 55.4 |
Bangkok Metropolitan Administration (BMA) permanent secretary Narong Ruengsri has also reiterated that the city plans to step up measures to reduce PM2.5 emissions. This includes checks at construction sites and vehicles with excessive emissions, while the city encourages the population to use public transport more. Last year, similar measures brought a 13% reduction in PM2.5 levels.
Health risks and recommendations
The health risks caused by PM2.5 should not be underestimated, as fine particles can penetrate the lungs and trigger inflammatory processes. Epidemiological studies show an increase in clinic visits due to respiratory diseases and allergic reactions, such as eye irritation. Protective measures such as wearing suitable masks and avoiding strenuous outdoor activities are therefore strongly recommended. In addition, people who belong to risk groups - such as small children, pregnant women and people with existing cardiovascular diseases - should be particularly careful.
For the public, tracking PM2.5 levels through apps like AirBKK remains a recommended measure. This not only offers real-time data, but also a 7-day forecast - so activities can be planned better without taking unnecessary risks. If you have symptoms such as red eyes or difficulty breathing, those affected should not hesitate to seek medical advice and, if necessary, call a hotline.
The Bangkok Metropolitan Municipality emphasizes that all efforts to combat air pollution must be supported by both the government and the population. It is up to us to work together to improve air quality and protect our health. Further information on the PM2.5 situation and current advisories can be found on the city's websites and social media.
For detailed information about the PM2.5 situation in Bangkok you can visit the reports Thai Post, Nation of Thailand and Wellmed Bangkok see.