Worst air pollution Ch’ŏngjin, today and tomorrow
Today (10 August): Air quality in Ch’ŏngjin is fair. AQI and NO2 are fair; PM2.5, PM10, O3, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 12:00 AM (NO2: 24.3/100).
Tomorrow (11 August 2026): Air quality in Ch’ŏngjin is fair. All pollutants stay as today. Pollution peaks around 11:00 PM (NO2: 23.0/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Ch'ŏngjin's air quality reflects the North Korean northeastern Sea of Japan coastal position, with vehicle traffic and the Kim Chaek steel and metallurgical complex generating elevated industrial SO₂ and PM2.5. The Sea of Japan provides limited maritime ventilation, while winter coal heating compounds steel industrial emissions and Ch'ŏngjin maintains North Korea's most distinctively steel metallurgical-defined northeastern coastal industrial environment throughout the year.
Today - 10 August | Pollution peaks at 00:00
AQI:
Fair
24.3/100
PM2.5 (fine particles):
Good
10.2/100
PM10 (coarse particles):
Good
4.0/100
NO2 (nitrogen dioxide):
Fair
24.3/100
O3 (ozone):
Good
18.5/100
SO2 (sulfur dioxide):
Good
17.7/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.7/100
PM1 (ultrafine particles):
Good
10.7/100
Levels show the poorest local air quality during the day
Tomorrow - 11 August | Pollution peaks at 23:00
AQI:
Fair
23.0/100
PM2.5 (fine particles):
Good
9.4/100
PM10 (coarse particles):
Good
3.8/100
NO2 (nitrogen dioxide):
Fair
23.0/100
O3 (ozone):
Good
17.0/100
SO2 (sulfur dioxide):
Good
14.6/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
5.2/100
PM1 (ultrafine particles):
Good
6.2/100
Frequently Asked Questions
Is air quality bad in Ch’ŏngjin right now?
On 10 August 2026, overall air quality in Ch’ŏngjin is fair. AQI is the main air quality indicator at 24.3/100. Pollution peaks around 12:00 AM (NO2: 24.3/100).
Will air quality be worse tomorrow in Ch’ŏngjin?
On 11 August 2026, air quality conditions in Ch’ŏngjin will be similar to today, with AQI forecast at fair at 23.0/100. Pollution peaks around 11:00 PM (NO2: 23.0/100).
When is air pollution at its worst in Ch’ŏngjin?
Air quality in Ch’ŏngjin tends to be worse when road traffic together with heavy industrial and chemical processing build up and dry spells bring strong winds. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Maritime airflow normally ventilates the area well, though calmer spells let levels rise.
Are air quality levels in Ch’ŏngjin based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
Why doesn’t the forecast always reflect wildfire impacts?
Airmine’s forecast uses CAMS (Copernicus Atmosphere Monitoring Service) as its background atmospheric model. While CAMS includes wildfire emissions, these are derived from satellite observations and are not available in real time. During rapidly evolving wildfire events, there may therefore be a delay before increased emissions are incorporated into the model. As a result, the forecast may temporarily underestimate PM₂.₅ and other pollutants associated with wildfire smoke.
During rapidly evolving wildfire events, CAMS may lag by approximately 1–2 days before increased wildfire emissions are fully represented, which can lead to temporary underestimation of PM₂.₅ concentrations in Airmine’s forecast.
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Data provided by Airmine — Last update: 9 August 2026 at 20:27 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
Disclaimer: Forecasts are provided for informational purposes only and should not be relied upon as medical advice. Actual pollen and air quality conditions may vary from the forecast. If you have allergies, asthma, or another medical condition, consult a healthcare professional. Please see our Terms of Service for important information about limitations of liability.
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