Air Quality in Udon Thani Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast

Latest air quality data: Udon Thani
Pollution and air quality forecast for Udon Thani. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Udon Thani:
  1. particulate matter (PM2.5) dust - 7 (Good)
  2. particulate matter (PM10) suspended dust - 7 (Good)
  3. ozone (O3) - 47 (Good)
  4. nitrogen dioxide (NO2) - 6 (Good)
  5. sulfur dioxide (SO2) - 2 (Good)
  6. carbon monoxide (CO) - 228 (Good)
Real-time Air Quality Index (AQI) for Udon Thani, Thursday, August 27, 2026: 1.

air quality index: 0
AQI 1 Good

What is the air quality in Udon Thani today? Is the air polluted in Udon Thani?. Is there smog?

Today (Thursday, August 27, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Udon Thani.


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)



Current data Thursday, August 27, 2026 at 8:00 AM

PM2,5 7 (Good)

PM10 7 (Good)

O3 47 (Good)

NO2 6 (Good)

SO2 2 (Good)

CO 228 (Good)

Data on air pollution from recent days in Udon Thani

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
data source »

Udon Thani

Thursday, August 27, 2026 at 8:00 AM

PM2,5 6.5 (Good)

particulate matter (PM2.5) dust

PM10 7 (Good)

particulate matter (PM10) suspended dust

O3 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

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Thailand

🌦️ WEATHER · 16-DAY FORECASTThailand🌧️30°RainToday · ↑30° ↓27°💨 6 km/h · 💧 75%Tue25.08🌧️30°27°Wed26.08🌧️33°27°Thu27.08🌧️32°26°Fri28.08🌧️30°23°Sat29.08🌧️28°23°Sun30.08🌧️25°23°Mon31.08🌧️24°22°Tue1.09🌧️23°22°Wed2.09🌧️27°23°Thu3.09🌧️29°23°Fri4.09🌧️27°23°Sat5.09🌧️29°23°Sun6.09🌧️30°24°Mon7.09🌧️31°25°Tue8.09🌧️31°24°Wed9.09🌧️29°24°pollution-alert.com · August 27, 2026

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.

☀️ UV Index · 16-day Forecast — Thailand

☀️ UV INDEX · 16-DAY FORECASTThailand03681111+8.1UV VERY HIGHtoday, day maxSPF 50, long sleeves and shade between 10:00-16:00.⏱ Unprotected fair skin can burn in about 25 min8Wed26.088Thu27.086Fri28.083Sat29.082Sun30.081Mon31.081Tue1.093Wed2.096Thu3.095Fri4.093Sat5.098Sun6.098Mon7.099Tue8.097Wed9.097Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in Thailand today is 8.1 (very high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Udon Thani — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Udon Thani today?
The current average PM2.5 across Udon Thani is about 7 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.
What is the current PM2.5 level in Udon Thani?
Right now PM2.5 in Udon Thani averages about 7 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.
Which day last week had the worst air in Udon Thani?
Over the past week, the highest daily PM2.5 in Udon Thani was recorded on Wednesday, August 26 (about 7 µg/m³).
What is the UV index in Udon Thani today?
The UV index in Udon Thani today is 8.1 (very high) — unprotected fair skin can burn in about 25 minutes.
Does today's wind help disperse smog in Udon Thani?
Strong wind (about 21 km/h) is actively clearing smog and dust away.
How is air quality measured?
Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.