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Air quality in Koesan
Air quality index (AQI) and PM2.5 air pollution in Koesan
186 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 | Clear sky |
| Temperature | 46.4°F |
| Humidity | 66% |
| Wind | 0.7 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time South Korea city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Ulsan, Ulsan | 110 |
| 2 | Pohang, Gyeongsangbuk-do | 105 |
| 3 | Gyeongju, Gyeongsangbuk-do | 102 |
| 4 | Busan, Busan | 91 |
| 5 | Daegu, Daegu | 78 |
| 6 | Yeongdeok, Gyeongsangbuk-do | 78 |
| 7 | Gimcheon, Gyeongsangbuk-do | 68 |
| 8 | T'aebaek, Gangwon-do | 65 |
| 9 | Yeoju, Gyeonggi-do | 65 |
| 10 | Siheung, Gyeonggi-do | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
US AQI
77*
live AQI index
Moderate
Overview
What is the current air quality in Koesan?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 77* US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 24.6*µg/m³ | |
!
PM2.5
x4.9
PM2.5 concentration in Koesan is currently 4.9 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 77 AQI US |  | 77° 51.8° |  6.7 mp/h |
| Monday, Apr 29 | Moderate 77 AQI US |  | 80.6° 46.4° | 2.2 mp/h |
| Tuesday, Apr 30 | Moderate 60 AQI US |  60% | 68° 55.4° | 8.9 mp/h |
| Wednesday, May 1 | Moderate 72 AQI US | | 71.6° 55.4° | 11.2 mp/h |
| Thursday, May 2 | Moderate 63 AQI US | | 62.6° 51.8° | 4.5 mp/h |
| Friday, May 3 | Moderate 57 AQI US | | 73.4° 46.4° | 4.5 mp/h |
| Saturday, May 4 | Moderate 57 AQI US | | 71.6° 50° | 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