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Udon Thani Moderate

Udon Thani, Udon Thani

Updated: Mar 14, 2026, 2:00 AM

690500
Moderate

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

Current Weather

22°C
Temperature
69%
Humidity
5.6
mph wind
Partly cloudy
Conditions

Pollutant Breakdown

69
PM2.5
µg/m³ · Fine particles
PM10
µg/m³ · Coarse particles
Ozone
ppb · Ground-level ozone
NO₂
ppb · Nitrogen dioxide
SO₂
ppb · Sulfur dioxide
CO
ppm · Carbon monoxide

Dominant pollutant: PM25

PM2.5 Forecast (next 7 days)

Thu
3/12
138
avg
Fri
3/13
138
avg
Sat
3/14
84
avg
Sun
3/15
73
avg
Mon
3/16
70
avg
Tue
3/17
68
avg
Wed
3/18
68
avg

Health Guidance

⚠️
Unusually sensitive people: Consider reducing prolonged outdoor exertion.
General population: No restrictions for most people.
💨
Keep windows closed if AQI is Unhealthy or above. Use HEPA air purifiers indoors.

Data from: Division of Air Quality Data, Air Quality and Noise Management Bureau, Pollution Control Department., World Air Quality Index Project

Is the air safe in Udon Thani today?

The current Air Quality Index (AQI) in Udon Thani is 69, which is classified as "Moderate". Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

The AQI scale runs from 0 to 500. Values of 0–50 are Good, 51–100 are Moderate, 101–150 are Unhealthy for Sensitive Groups, 151–200 are Unhealthy, 201–300 are Very Unhealthy, and 301–500 are Hazardous.

Air quality in Udon Thani, Udon Thani is monitored by local environmental agencies and reported through the World Air Quality Index project. Data is updated hourly and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

AQI Scale Reference

0–50
Good
51–100
Moderate
101–150
Unhealthy for Sensitive Groups
151–200
Unhealthy
201–300
Very Unhealthy
301+
Hazardous