Gwangju: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

The latest data Last 7 days
Latest air quality data: Gwangju
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Pollution and air quality forecast for Gwangju. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Gwangju:
  1. particulate matter (PM2.5) dust - 10 (Good)
  2. particulate matter (PM10) suspended dust - 11 (Good)
  3. ozone (O3) - 96 (Moderate)
  4. nitrogen dioxide (NO2) - 17 (Good)
  5. sulfur dioxide (SO2) - 11 (Good)
  6. carbon monoxide (CO) - 193 (Good)
Real-time Air Quality Index (AQI) for Gwangju, Thursday, August 27, 2026: 2.

air quality index: 1
AQI 2 Moderate

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

Today (Thursday, August 27, 2026) air quality is moderate in Gwangju. Some pollutants in Gwangju may slightly affect very few hypersensitive individuals. Air pollutants in Gwangju may cause minor breathing discomfort to sensitive people.


What is the current level of PM2.5 in Gwangju? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 10 (Good) For comparison, the highest level of PM2.5 in Gwangju in the last 7 days was: 17 (Wednesday, August 26, 2026) and the lowest: 9 (Sunday, August 23, 2026).

What is the level of PM10 today in Gwangju? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Gwangju is: 11 (Good)

How is the O3 level today in Gwangju? (ozone (O3))
96 (Moderate)

How high is the level of NO2? (nitrogen dioxide (NO2))
17 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
11 (Good)

How high is the CO level? (carbon monoxide (CO))
193 (Good)



Current data Thursday, August 27, 2026 at 10:00 AM

PM2,5 10 (Good)

PM10 11 (Good)

O3 96 (Moderate)

NO2 17 (Good)

SO2 11 (Good)

CO 193 (Good)

Data on air pollution from recent days in Gwangju

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 14
Moderate		 17
Moderate		 14
Moderate		 15
Moderate		 9
Good		 10
Good		 10
Good		 11
Good
pm10 14
Good		 18
Good		 15
Good		 16
Good		 11
Good		 11
Good		 11
Good		 12
Good
o3 49
Good		 88
Moderate		 54
Good		 47
Good		 50
Good		 47
Good		 38
Good		 44
Good
no2 44
Moderate		 39
Good		 29
Good		 26
Good		 20
Good		 22
Good		 29
Good		 36
Good
so2 9
Good		 9
Good		 6
Good		 7
Good		 9
Good		 8
Good		 7
Good		 6
Good
co 381
Good		 377
Good		 345
Good		 324
Good		 213
Good		 230
Good		 393
Good		 424
Good
data source »

Gwangju

Thursday, August 27, 2026 at 10:00 AM

PM2,5 9.9 (Good)

particulate matter (PM2.5) dust

PM10 11 (Good)

particulate matter (PM10) suspended dust

O3 96 (Moderate)

ozone (O3)

NO2 17 (Good)

nitrogen dioxide (NO2)

SO2 11 (Good)

sulfur dioxide (SO2)

CO 193 (Good)

carbon monoxide (CO)

Gwangju

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 11 10 9.7 9.3 15 14 17 14
pm10 12 11 11 11 16 15 18 14
o3 44 38 47 50 47 54 88 49
no2 36 29 22 20 26 29 39 44
so2 5.6 6.9 7.8 8.8 6.5 6.1 9.1 9.4
co 424 393 230 213 324 345 377 381

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

🌦️ Weather · 16-day Forecast — South Korea

🌦️ WEATHER · 16-DAY FORECASTSouth Korea☁️27°CloudyToday · ↑32° ↓21°💨 2 km/h · 💧 63%Tue25.08☁️32°21°Wed26.08🌧️32°21°Thu27.08🌧️27°21°Fri28.08🌧️27°21°Sat29.08🌧️25°21°Sun30.08🌧️26°20°Mon31.08☁️28°19°Tue1.09🌧️26°19°Wed2.09🌧️20°17°Thu3.09🌧️22°16°Fri4.09🌧️27°21°Sat5.09🌧️23°20°Sun6.09🌧️21°18°Mon7.09🌧️26°17°Tue8.09🌧️21°17°Wed9.09🌧️23°15°pollution-alert.com · August 27, 2026

16-day weather forecast for South Korea: today around 32°C (cloudy), lows near 21°C. Daily temperature and conditions, updated every day. A moderate breeze (about 7 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — South Korea

☀️ UV INDEX · 16-DAY FORECASTSouth Korea03681111+7.4UV HIGHtoday, day maxSPF 30-50, hat and sunglasses are a must. Better tostay in the shade 11:00-15:00.⏱ Unprotected fair skin can burn in about 25 min7Wed26.086Thu27.087Fri28.085Sat29.086Sun30.086Mon31.087Tue1.090Wed2.092Thu3.096Fri4.094Sat5.097Sun6.097Mon7.094Tue8.090Wed9.091Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in South Korea today is 7.4 (high) — unprotected fair skin can burn in about 25 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Gwangju — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Gwangju today?
The current average PM2.5 across Gwangju is about 10 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.
What is the current PM2.5 level in Gwangju?
Right now PM2.5 in Gwangju averages about 10 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 Gwangju?
Over the past week, the highest daily PM2.5 in Gwangju was recorded on Wednesday, August 26 (about 17 µg/m³).
What is the UV index in Gwangju today?
The UV index in Gwangju today is 7.4 (high) — unprotected fair skin can burn in about 25 minutes.
Does today's wind help disperse smog in Gwangju?
A moderate breeze (about 7 km/h) is partially dispersing pollutants today.
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.