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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 | 60.8°F |
| Humidity | 59% |
| Wind | 4.2 mp/h |
| Pressure | 29.8 Hg |
live aqi city ranking
Real-time South Korea city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Gwangju, Gwangju | 243 |
| 2 | Ulsan, Ulsan | 216 |
| 3 | Busan, Busan | 214 |
| 4 | Gyeongju, Gyeongsangbuk-do | 207 |
| 5 | Pohang, Gyeongsangbuk-do | 200 |
| 6 | Yeongdeok, Gyeongsangbuk-do | 195 |
| 7 | T'aebaek, Gangwon-do | 153 |
| 8 | Gongju, Chungcheongnam-do | 129 |
| 9 | Seogwipo, Jeju-do | 127 |
| 10 | Cheonan, Chungcheongnam-do | 126 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
68*
live AQI index
Moderate
Overview
What is the current air quality in Koesan?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 68* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 20.5*µg/m³ | |
!
PM2.5
x4.1
PM2.5 concentration in Koesan is currently 4.1 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 68 AQI US |  | 71.6° 48.2° |  4.5 mp/h |
| Friday, Apr 19 | Moderate 72 AQI US |  | 73.4° 50° | 6.7 mp/h |
| Saturday, Apr 20 | Moderate 63 AQI US |  100% | 64.4° 51.8° | 11.2 mp/h |
| Sunday, Apr 21 | Good 50 AQI US  | 80% | 62.6° 53.6° | 4.5 mp/h |
| Monday, Apr 22 | Moderate 60 AQI US |  | 68° 46.4° | 11.2 mp/h |
| Tuesday, Apr 23 | Moderate 67 AQI US | 100% | 57.2° 46.4° | 4.5 mp/h |
| Wednesday, Apr 24 | Moderate 66 AQI US | | 68° 51.8° | 13.4 mp/h |
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News
The latest air quality news and resources.
Where is the cleanest air quality in Koesan?
No locations are available.
AQI US, Metric