Smog in Wonsan — Live Data: AQI, Fine Dust, Wind, UV and Health Advice

Latest air quality data: Wonsan

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Pollution and air quality forecast for Wŏnsan. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Wŏnsan:

particulate matter (PM2.5) dust - 4 (Good)
particulate matter (PM10) suspended dust - 4 (Good)
ozone (O3) - 66 (Good)
nitrogen dioxide (NO2) - 1 (Good)
sulfur dioxide (SO2) - 3 (Good)
carbon monoxide (CO) - 150 (Good)

Real-time Air Quality Index (AQI) for Wŏnsan, Thursday, August 27, 2026: 1.

AQI 1 Good

What is the air quality in Wŏnsan today? Is the air polluted in Wŏnsan?. 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 Wŏnsan.

What is the current level of PM2.5 in Wŏnsan? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 4 (Good) For comparison, the highest level of PM2.5 in Wŏnsan in the last 7 days was: 10 (Friday, August 21, 2026) and the lowest: 2 (Monday, August 24, 2026).

What is the level of PM10 today in Wŏnsan? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Wŏnsan is: 4 (Good)

How is the O3 level today in Wŏnsan? (ozone (O3))
66 (Good)

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

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

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

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

PM2,5 4 (Good)

PM10 4 (Good)

O3 66 (Good)

NO2 1 (Good)

SO2 3 (Good)

CO 150 (Good)

Data on air pollution from recent days in Wŏnsan

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	5 Good	8 Good	4 Good	2 Good	5 Good	8 Good	10 Good	9 Good
pm10	6 Good	9 Good	5 Good	2 Good	5 Good	9 Good	12 Good	12 Good
o3	61 Good	47 Good	76 Moderate	43 Good	60 Good	61 Good	71 Moderate	88 Moderate
no2	2 Good	4 Good	2 Good	1 Good	3 Good	3 Good	2 Good	2 Good
so2	3 Good	3 Good	2 Good	2 Good	3 Good	3 Good	4 Good	3 Good
co	154 Good	164 Good	153 Good	151 Good	166 Good	204 Good	223 Good	212 Good

data source »

Wonsan

Thursday, August 27, 2026 at 10:00 AM

PM2,5 3.5 (Good)

particulate matter (PM2.5) dust

PM10 4 (Good)

particulate matter (PM10) suspended dust

O3 66 (Good)

ozone (O3)

NO2 0.9 (Good)

nitrogen dioxide (NO2)

SO2 2.9 (Good)

sulfur dioxide (SO2)

CO 150 (Good)

carbon monoxide (CO)

Wonsan

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	9.4	10	8.2	4.5	1.9	3.8	8.1	5.1
pm10	12	12	9.2	4.9	2.2	4.6	9	6.2
o3	88	71	61	60	43	76	47	61
no2	2.1	2.4	3.1	2.6	1.3	1.5	3.5	1.8
so2	3.5	3.8	3.2	3	1.6	2.2	3	2.8
co	212	223	204	166	151	153	164	154

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

🌦️ Weather · 16-day Forecast — Wonsan

16-day weather forecast for Wonsan: today around 29°C (rain), lows near 24°C. Daily temperature and conditions, updated every day. Strong wind (about 18 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Wonsan

The UV index in Wonsan today is 1.4 (low).

📍 Air quality in nearby cities

Live PM2.5 around Wonsan — compare nearby locations.

Hamhŭng 3 µg/m³
Pyongyang 9 µg/m³
Kaesong 4 µg/m³
UijeongbuSouth Korea 20 µg/m³
Sariwŏn 3 µg/m³
Dandong 9 µg/m³
Namp’o 8 µg/m³
Chongjin 4 µg/m³

Frequently asked questions

Is the air safe to breathe in Wŏnsan today?

The current average PM2.5 across Wŏnsan is about 4 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Wŏnsan?

Right now PM2.5 in Wŏnsan averages about 4 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 Wŏnsan?

Over the past week, the highest daily PM2.5 in Wŏnsan was recorded on Friday, August 21 (about 10 µg/m³).

What is the UV index in Wŏnsan today?

The UV index in Wŏnsan today is 1.4 (low).

Does today's wind help disperse smog in Wŏnsan?

Strong wind (about 18 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.