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Air quality in Koesan
Air quality index (AQI) and PM2.5 air pollution in Koesan
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Koesan Air Quality Map
Real-time Koesan air pollution map
AIR QUALITY DATA SOURCE
* AQI modeled using satellite data Learn more
Weather
What is the current weather in Koesan?
| Weather | Clear sky |
| Temperature | 50°F |
| Humidity | 69% |
| Wind | 2.3 mp/h |
| Pressure | 30 Hg |
live aqi city ranking
Real-time South Korea city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Pohang, Gyeongsangbuk-do | 88 |
| 2 | Daegu, Daegu | 81 |
| 3 | Ulsan, Ulsan | 79 |
| 4 | Nonsan, Chungcheongnam-do | 75 |
| 5 | Busan, Busan | 73 |
| 6 | Gwangju, Gwangju | 73 |
| 7 | Yeoju, Gyeonggi-do | 73 |
| 8 | Anseong, Gyeonggi-do | 71 |
| 9 | Gumi, Gyeongsangbuk-do | 71 |
| 10 | Pyeongtaek, Gyeonggi-do | 71 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
67*
live AQI index
Moderate
Overview
What is the current air quality in Koesan?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 67* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 17.8*µg/m³ | |
!
PM2.5
x3.6
PM2.5 concentration in Koesan is currently 3.6 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Koesan?
 | Sensitive groups should reduce outdoor exercise |
 | Close your windows to avoid dirty outdoor air GET A MONITOR |
 | Sensitive groups should wear a mask outdoors GET A MASK |
 | Sensitive groups should run an air purifier GET AN AIR PURIFIER |
Forecast
Koesan air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Today | Moderate 67 AQI US | | 73.4° 50° |  6.7 mp/h |
| Thursday, May 16 | Moderate 67 AQI US |  100% | 71.6° 44.6° | 15.7 mp/h |
| Friday, May 17 | Moderate 67 AQI US | 100% | 60.8° 42.8° | 15.7 mp/h |
| Saturday, May 18 | Moderate 70 AQI US |  | 75.2° 42.8° | 11.2 mp/h |
| Sunday, May 19 | Moderate 65 AQI US | | 77° 51.8° | 6.7 mp/h |
| Monday, May 20 | Moderate 66 AQI US | | 77° 53.6° | 4.5 mp/h |
| Tuesday, May 21 | Moderate 73 AQI US | | 77° 53.6° | 6.7 mp/h |
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News
The latest air quality news and resources.
How to best protect from air pollution?
Where is the cleanest air quality in Koesan?
No locations are available.
AQI US, Metric