PM2.5 in Khon Kaen by district
26 districts in Khon Kaen. 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 Khon Kaen, Jun 2025 to Jun 2026
Yearly average21.9Good
Days over 37.548
Dustiest monthApril45.1
Monthly average
Districts by yearly average
| District | Average | Days over limit |
|---|---|---|
| Ban Fang | 26.4 | 71 |
| Ban Haet | 26.4 | 71 |
| Ban Phai | 26.4 | 71 |
| Chonnabot | 26.4 | 71 |
| Kranuan | 26.4 | 71 |
| Mancha Khiri | 26.4 | 71 |
| Mueang Khon Kaen | 26.4 | 71 |
| Nam Phong | 26.4 | 71 |
| Non Sila | 26.4 | 71 |
| Nong Ruea | 26.4 | 71 |
| Phra Yuen | 26.4 | 71 |
| Phu Wiang | 26.4 | 71 |
| Sam Sung | 26.4 | 71 |
| Ubolratana | 26.4 | 71 |
| Nong Song Hong | 23.8 | 55 |
| Pueai Noi | 23.8 | 55 |
| Khok Pho Chai | 18.8 | 36 |
| Phon | 18.8 | 36 |
| Waeng Noi | 18.8 | 36 |
| Waeng Yai | 18.8 | 36 |
| Chum Phae | 18.6 | 30 |
| Khao Suan Kwang | 18.6 | 30 |
| Nong Na Kham | 18.6 | 30 |
| Phu Pha Man | 18.6 | 30 |
| Si Chomphu | 18.6 | 30 |
| Wiang Kao | 18.6 | 30 |
All districts
Frequently asked questions
How many districts in Khon Kaen can I check for PM2.5?
26 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.