Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
Air quality in Hongseong
Air quality index (AQI) and PM2.5 air pollution in Hongseong
28.3K people follow this city
Hongseong Air Quality Map
Real-time Hongseong air pollution map
AIR QUALITY DATA CONTRIBUTORS
2 Contributors
See all
Weather
What is the current weather in Hongseong?
| Weather | Broken clouds |
| Temperature | 64.4°F |
| Humidity | 61% |
| Wind | 2 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time South Korea city ranking
| # | city | US AQI |
|---|---|---|
| 1 |  Yesan, Chungcheongnam-do | 81 |
| 2 | Anseong, Gyeonggi-do | 75 |
| 3 | Icheon, Gyeonggi-do | 75 |
| 4 | Busan, Busan | 74 |
| 5 | Nonsan, Chungcheongnam-do | 71 |
| 6 | Yeoju, Gyeonggi-do | 71 |
| 7 | Pyeongtaek, Gyeonggi-do | 70 |
| 8 | Cheonan, Chungcheongnam-do | 68 |
| 9 | Taean, Chungcheongnam-do | 65 |
| 10 | Gimcheon, Gyeongsangbuk-do | 64 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Hongseong aqi ranking
Real-time Hongseong air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Hongseong-eup | 64 |
| 2 | Naepo | 53 |
(local time)
SEE WORLD AQI RANKING
US AQI
53
live AQI index
Moderate
Overview
What is the current air quality in Hongseong?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 53 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 10µg/m³ | |
| PM10 | 16µg/m³ | |
| O3 | 74µg/m³ | |
| NO2 | 9.4µg/m³ | |
| SO2 | 7.9µg/m³ | |
| CO | 343.5µg/m³ | |
!
PM2.5
x2
PM2.5 concentration in Hongseong is currently 2 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Hongseong?
 | 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
Hongseong air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Thursday, May 30 | Moderate 67 AQI US | | 73.4° 59° |  6.7 mp/h |
| Friday, May 31 | Moderate 64 AQI US |  | 71.6° 57.2° | 8.9 mp/h |
| Saturday, Jun 1 | Moderate 59 AQI US | | 71.6° 55.4° | 13.4 mp/h |
| Saturday, Jun 1 | Moderate 63 AQI US | | 71.6° 55.4° | 13.4 mp/h |
| Today | Moderate 53 AQI US | | 73.4° 55.4° | 8.9 mp/h |
| Monday, Jun 3 | Moderate 66 AQI US |  | 77° 55.4° | 6.7 mp/h |
| Tuesday, Jun 4 | Moderate 69 AQI US | | 78.8° 57.2° | 6.7 mp/h |
| Wednesday, Jun 5 | Moderate 66 AQI US | | 78.8° 59° | 6.7 mp/h |
| Thursday, Jun 6 | Moderate 69 AQI US | | 78.8° 62.6° | 6.7 mp/h |
| Friday, Jun 7 | Moderate 81 AQI US | | 77° 59° | 6.7 mp/h |
| Saturday, Jun 8 | Moderate 92 AQI US |  50% | 73.4° 62.6° | 4.5 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
How to best protect from air pollution?
Hongseong air quality data attribution
2Contributors
- Korea Environment Corporation
2 stations
- Chungnam Institute of Health and Environment
2 stations
2 Government Contributors
Where is the cleanest air quality in Hongseong?
AQI US, Metric