PM2.5 in Bangkok by district
50 districts in Bangkok. Choose one to see PM2.5 now and its history.
Districts ranked by PM2.5 now
Loading latest values
Values come from the station nearest to each district and update hourly.
PM2.5 statistics for Bangkok, Jun 2025 to Jun 2026
Yearly average21.5Good
Days over 37.529
Dustiest monthJanuary37.7
Monthly average
Districts by yearly average
| District | Average | Days over limit |
|---|---|---|
| Bang Khae | 29.2 | 79 |
| Nong Khaem | 29.2 | 79 |
| Thawi Watthana | 29.2 | 79 |
| Don Mueang | 26.3 | 88 |
| Lak Si | 26.3 | 88 |
| Sai Mai | 26.3 | 88 |
| Din Daeng | 23.7 | 32 |
| Ratchathewi | 23.7 | 32 |
| Bang Bon | 23.2 | 30 |
| Bang Khun Thian | 23.2 | 30 |
| Bang Khen | 23.0 | 30 |
| Chatuchak | 23.0 | 30 |
| Huai Khwang | 23.0 | 30 |
| Lat Phrao | 23.0 | 30 |
| Wang Thonglang | 23.0 | 30 |
| Bang Rak | 22.9 | 30 |
| Pathum Wan | 22.9 | 30 |
| Sathon | 22.9 | 30 |
| Chom Thong | 22.7 | 27 |
| Khlong San | 22.7 | 27 |
| Phasi Charoen | 22.7 | 27 |
| Thon Buri | 22.7 | 27 |
| Bang Na | 19.8 | 15 |
| Phra Khanong | 19.8 | 15 |
| Prawet | 19.8 | 15 |
| Bang Kho Laem | 19.4 | 15 |
| Khlong Toei | 19.4 | 15 |
| Vadhana | 19.4 | 15 |
| Yan Nawa | 19.4 | 15 |
| Bangkok Noi | 19.3 | 15 |
| Bangkok Yai | 19.3 | 15 |
| Phra Nakhon | 19.3 | 15 |
| Pom Prap Sattru Phai | 19.3 | 15 |
| Samphanthawong | 19.3 | 15 |
| Taling Chan | 19.3 | 15 |
| Bang Kapi | 19.1 | 13 |
| Bueng Kum | 19.1 | 13 |
| Khan Na Yao | 19.1 | 13 |
| Khlong Sam Wa | 19.1 | 13 |
| Lat Krabang | 19.1 | 13 |
| Min Buri | 19.1 | 13 |
| Nong Chok | 19.1 | 13 |
| Saphan Sung | 19.1 | 13 |
| Suan Luang | 19.1 | 13 |
| Bang Sue | 19.1 | 22 |
| Rat Burana | 17.0 | 7 |
| Thung Khru | 17.0 | 7 |
| Bang Phlat | 16.5 | 9 |
| Dusit | 16.5 | 9 |
| Phaya Thai | 16.5 | 9 |
All districts
- Bang Bon
- Bang Kapi
- Bang Khae
- Bang Khen
- Bang Kho Laem
- Bang Khun Thian
- Bang Na
- Bang Phlat
- Bang Rak
- Bang Sue
- Bangkok Noi
- Bangkok Yai
- Bueng Kum
- Chatuchak
- Chom Thong
- Din Daeng
- Don Mueang
- Dusit
- Huai Khwang
- Khan Na Yao
- Khlong Sam Wa
- Khlong San
- Khlong Toei
- Lak Si
- Lat Krabang
- Lat Phrao
- Min Buri
- Nong Chok
- Nong Khaem
- Pathum Wan
- Phasi Charoen
- Phaya Thai
- Phra Khanong
- Phra Nakhon
- Pom Prap Sattru Phai
- Prawet
- Rat Burana
- Ratchathewi
- Sai Mai
- Samphanthawong
- Saphan Sung
- Sathon
- Suan Luang
- Taling Chan
- Thawi Watthana
- Thon Buri
- Thung Khru
- Vadhana
- Wang Thonglang
- Yan Nawa
Frequently asked questions
How many districts in Bangkok can I check for PM2.5?
50 districts. Each one shows the reading from its nearest Air4Thai station, with the distance to that station.
At what PM2.5 level should I wear a mask?
Above 25 µg/m³ at-risk groups should wear a surgical mask outdoors for long periods. From 37.6 to 75 the air starts to affect health and an N95 mask is advised. Above 75 avoid outdoor activity.
How often is the data updated?
Readings come from the Pollution Control Department's Air4Thai feed and are refreshed every hour.