Worst air pollution Yangsan, today and tomorrow
Today (16 July): Air quality in Yangsan is very poor. AQI and O3 are very poor; NO2 is poor; SO2 is fair; PM2.5, PM10, CO, HCHO, and PM1 are good. Pollution peaks around 3:00 PM (O3: 91.9/100).
Tomorrow (17 July 2026): Air quality in Yangsan is poor. AQI improves to poor; O3 decreases to medium; PM1 increases to fair; all other pollutants stay as today. Pollution peaks around 12:00 AM (NO2: 62.0/100). 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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Yangsan's air quality reflects the South Korean southeastern Nakdong River valley position adjacent to Busan in Gyeongnam, with vehicle traffic on surrounding roads and the residential, automotive parts, and logistics corridor contributing local sources. Seasonal Chinese dust transport elevates PM10 during spring yellow dust episodes, while the regional Northeast Asian industrial background and the broader Busan metropolitan readings maintain moderate to elevated South Korean southeastern metropolitan suburban readings throughout the year.
Today - 16 July | Pollution peaks at 15:00
AQI:
Very poor
91.9/100
PM2.5 (fine particles):
Good
15.6/100
PM10 (coarse particles):
Good
6.9/100
NO2 (nitrogen dioxide):
Poor
62.8/100
O3 (ozone):
Very poor
91.9/100
SO2 (sulfur dioxide):
Fair
21.0/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.6/100
PM1 (ultrafine particles):
Good
16.2/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:00
AQI:
Poor
62.0/100
PM2.5 (fine particles):
Good
17.3/100
PM10 (coarse particles):
Good
5.5/100
NO2 (nitrogen dioxide):
Poor
62.0/100
O3 (ozone):
Medium
56.8/100
SO2 (sulfur dioxide):
Fair
29.8/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
11.3/100
PM1 (ultrafine particles):
Fair
20.4/100
Frequently Asked Questions
Is air quality bad in Yangsan right now?
On 16 July 2026, overall air quality in Yangsan is very poor. AQI is the main air quality indicator at 91.9/100. Pollution peaks around 3:00 PM (O3: 91.9/100).
Will air quality be worse tomorrow in Yangsan?
On 17 July 2026, air quality conditions in Yangsan will be better than today, with AQI forecast at poor at 62.0/100. Pollution peaks around 12:00 AM (NO2: 62.0/100).
When is air pollution at its worst in Yangsan?
Pollution in Yangsan typically rises when traffic on the surrounding roads along with harbour and shipping traffic combine, especially once dry, windy weather picks up. Strong seasonal winds can lift dust from the surrounding dry terrain and push particulate levels sharply higher. Such events are most common in the drier shoulder seasons.
Are air quality levels in Yangsan 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.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 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.
For long term forecasts and maps, see the Airmine app