Worst air pollution Gwangyang, today and tomorrow
Today (16 July): Air quality in Gwangyang is poor. AQI and O3 are poor; NO2 is fair; PM2.5, PM10, SO2, CO, HCHO, and PM1 are good. Pollution peaks around 2:00 PM (O3: 66.4/100).
Tomorrow (17 July 2026): Air quality in Gwangyang is poor. All pollutants stay as today. Pollution peaks around 3:00 PM (O3: 61.7/100). 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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Gwangyang's air quality faces significant industrial challenges from the South Korean southeastern South Sea coastal position, with the POSCO Gwangyang Steelworks — one of the world's largest integrated steel mills — generating elevated industrial SO₂ and PM2.5 alongside vehicle traffic on surrounding roads. South Sea maritime breezes provide coastal ventilation, while the extraordinary steel complex's industrial scale makes Gwangyang South Korea's most distinctively steel manufacturing-defined coastal metropolitan environment throughout the year.
Today - 16 July | Pollution peaks at 14:00
AQI:
Poor
66.4/100
PM2.5 (fine particles):
Good
13.2/100
PM10 (coarse particles):
Good
8.5/100
NO2 (nitrogen dioxide):
Fair
33.8/100
O3 (ozone):
Poor
66.4/100
SO2 (sulfur dioxide):
Good
5.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
8.9/100
PM1 (ultrafine particles):
Good
10.6/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 15:00
AQI:
Poor
61.7/100
PM2.5 (fine particles):
Good
15.6/100
PM10 (coarse particles):
Good
4.9/100
NO2 (nitrogen dioxide):
Fair
35.3/100
O3 (ozone):
Poor
61.7/100
SO2 (sulfur dioxide):
Good
10.2/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
6.2/100
PM1 (ultrafine particles):
Good
18.1/100
Frequently Asked Questions
Is air quality bad in Gwangyang right now?
On 16 July 2026, overall air quality in Gwangyang is poor. AQI is the main air quality indicator at 66.4/100. Pollution peaks around 2:00 PM (O3: 66.4/100).
Will air quality be worse tomorrow in Gwangyang?
On 17 July 2026, air quality conditions in Gwangyang will be similar to today, with AQI forecast at poor at 61.7/100. Pollution peaks around 3:00 PM (O3: 61.7/100).
When is air pollution at its worst in Gwangyang?
Air quality in Gwangyang tends to be worse when vehicle traffic, heavy industry such as steel, cement, or petrochemical processing, along with light manufacturing build up and dry spells bring strong winds. Dust carried on these winds adds substantially to particulate levels. Maritime airflow normally ventilates the area well, though calmer spells let levels rise.
Are air quality levels in Gwangyang 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