What is the air quality in Udon Thani today? Is the air polluted in Udon Thani?. Is there smog?
What is the current level of PM2.5 in Udon Thani? (particulate matter (PM2.5) dust)
Today's PM2.5 level is:
7 (Good)
For comparison, the highest level of PM2.5 in Udon Thani in the last 7 days was: 7 (Wednesday, August 26, 2026) and the lowest: 4 (Monday, August 24, 2026).
What is the level of PM10 today in Udon Thani? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Udon Thani is:
7 (Good)
How is the O3 level today in Udon Thani? (ozone (O3))
47 (Good)
How high is the level of NO2? (nitrogen dioxide (NO2))
6 (Good)
What is the level of SO2 pollution? (sulfur dioxide (SO2))
2 (Good)
How high is the CO level? (carbon monoxide (CO))
228 (Good)
PM2,5 7 (Good)
PM10 7 (Good)
O3 47 (Good)
NO2 6 (Good)
SO2 2 (Good)
CO 228 (Good)
| index | 2026-08-27 | 2026-08-26 | 2026-08-25 | 2026-08-24 | 2026-08-23 | 2026-08-22 | 2026-08-21 | 2026-08-20 |
|---|---|---|---|---|---|---|---|---|
| pm25 | 6 Good |
7 Good |
5 Good |
4 Good |
5 Good |
4 Good |
5 Good |
5 Good |
| pm10 | 6 Good |
8 Good |
7 Good |
6 Good |
6 Good |
4 Good |
6 Good |
6 Good |
| o3 | 51 Good |
51 Good |
49 Good |
45 Good |
46 Good |
51 Good |
51 Good |
49 Good |
| no2 | 8 Good |
8 Good |
5 Good |
5 Good |
5 Good |
6 Good |
9 Good |
9 Good |
| so2 | 2 Good |
2 Good |
2 Good |
2 Good |
1 Good |
1 Good |
2 Good |
3 Good |
| co | 314 Good |
235 Good |
224 Good |
171 Good |
150 Good |
170 Good |
213 Good |
247 Good |
PM2,5 6.5 (Good)
particulate matter (PM2.5) dustPM10 7 (Good)
particulate matter (PM10) suspended dustO3 47 (Good)
ozone (O3)NO2 6.1 (Good)
nitrogen dioxide (NO2)SO2 1.9 (Good)
sulfur dioxide (SO2)CO 228 (Good)
carbon monoxide (CO)Udon Thani
| index | 2026-08-20 | 2026-08-21 | 2026-08-22 | 2026-08-23 | 2026-08-24 | 2026-08-25 | 2026-08-26 | 2026-08-27 |
|---|---|---|---|---|---|---|---|---|
| pm25 | 5.1 | 5.5 | 3.7 | 5.4 | 4.4 | 5.5 | 6.9 | 5.5 |
| pm10 | 5.5 | 5.8 | 4.2 | 6.2 | 5.8 | 7.2 | 8.4 | 5.9 |
| o3 | 49 | 51 | 51 | 46 | 45 | 49 | 51 | 51 |
| no2 | 8.8 | 9.3 | 5.9 | 4.7 | 5 | 4.7 | 8 | 7.6 |
| so2 | 2.6 | 2 | 1.5 | 1.2 | 2 | 2.3 | 2.1 | 1.8 |
| co | 247 | 213 | 170 | 150 | 171 | 224 | 235 | 314 |
16-day weather forecast for Thailand: today around 30°C (rain), lows near 27°C. Daily temperature and conditions, updated every day. Strong wind (about 21 km/h) is actively clearing smog and dust away.
The UV index in Thailand today is 8.1 (very high) — unprotected fair skin can burn in about 25 minutes.
Live PM2.5 around Udon Thani — compare nearby locations.