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Air quality in Koesan
Air quality index (AQI) and PM2.5 air pollution in Koesan
182 people follow this city
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 | Broken clouds |
| Temperature | 66.2°F |
| Humidity | 56% |
| Wind | 2.3 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time South Korea city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Seosan, Chungcheongnam-do | 99 |
| 2 | Seoul, Seoul | 93 |
| 3 | Gimcheon, Gyeongsangbuk-do | 91 |
| 4 | Bucheon, Gyeonggi-do | 86 |
| 5 | Goyang, Gyeonggi-do | 86 |
| 6 | Pohang, Gyeongsangbuk-do | 84 |
| 7 | Gumi, Gyeongsangbuk-do | 80 |
| 8 | Gimpo, Gyeonggi-do | 79 |
| 9 | Busan, Busan | 78 |
| 10 | Ulsan, Ulsan | 78 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
79*
live AQI index
Moderate
Overview
What is the current air quality in Koesan?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 79* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 25.5*µg/m³ | |
!
PM2.5
x5.1
PM2.5 concentration in Koesan is currently 5.1 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 79 AQI US | | 80.6° 53.6° |  2.2 mp/h |
| Monday, Apr 29 | Moderate 62 AQI US |  100% | 64.4° 55.4° | 6.7 mp/h |
| Tuesday, Apr 30 | Moderate 74 AQI US | 30% | 64.4° 51.8° | 11.2 mp/h |
| Wednesday, May 1 | Moderate 61 AQI US | | 68° 48.2° | 2.2 mp/h |
| Thursday, May 2 | Moderate 66 AQI US | | 73.4° 48.2° | 4.5 mp/h |
| Friday, May 3 | Moderate 59 AQI US | | 75.2° 51.8° | 4.5 mp/h |
| Saturday, May 4 | Moderate 65 AQI US |  | 82.4° 51.8° | 2.2 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