AddAir quality in Koesan
Air quality index (AQI⁺) and PM2.5 air pollution in Koesan • 355 Followers • 18:00, Apr 24 Local time
42*
US AQI⁺Good
Main pollutant:
PM2.5
7.7 µg/m³
15°
6 km/h
37 %
Hourly forecast
Koesan air quality index (AQI⁺) forecast
Daily forecast
Koesan air quality index (AQI⁺) forecast
| Today | 53 |  | 23° 7° |  11 km/h | 33% |
| Sat | 68 |  | 25° 9° | 8 km/h | 34% |
| Sun | 66 | | 24° 10° | 17 km/h | 34% |
Air pollutants
What is the current air quality in Koesan?
PM2.5 concentration is currently 1.5 times the World Health Organization annual PM2.5 guideline value.
Health recommendations
 Enjoy outdoor activities |
 Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in Koesan
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Health recommendations
Enjoy outdoor activities |
Open your windows to bring clean, fresh air indoors Get a monitor |
Protect yourself from air pollution in Koesan
Monitor the air you breathe
Get accurate AirVisual air quality readings and real-time insights for cleaner air. Monitors that reveal pollution sources, highlight when air purifier use is needed.
Medical grade air purifiers
Trusted worldwide, the HealthPro Series uses HyperHEPA technology. Filters ultrafine particles other air purifiers miss, delivering medical-grade protection.
Powerful, stylish air purifiers
Compact and powerful, the Atem Series combines Swiss engineering with high-performance air purification, filtering ultrafine particles with HyperHEPA technology.
Most polluted locations near Koesan
Worldwide AQI⁺ ranking
Historic air quality near Koesan
History
Historic air quality graph for Koesan
Historic air quality near Koesan
History
Historic air quality graph for Koesan
Most polluted locations near Koesan
Worldwide AQI⁺ ranking
