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 Unzen
Air quality index (AQI) and PM2.5 air pollution in Unzen
54 people follow this city
Unzen Air Quality Map
Real-time Unzen air pollution map
AIR QUALITY DATA CONTRIBUTORS
Atmospheric Environmental Regional Observation System (AEROS)
See all
Weather
What is the current weather in Unzen?
| Weather | Broken clouds |
| Temperature | 55.4°F |
| Humidity | 64% |
| Wind | 1.3 mp/h |
| Pressure | 29.9 Hg |
live aqi city ranking
Real-time Japan city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Kofu, Yamanashi | 132 |
| 2 | Omuta, Fukuoka | 110 |
| 3 | Maegata, Okayama | 106 |
| 4 | Chikuma, Nagano | 102 |
| 5 | Fukuoka, Fukuoka | 102 |
| 6 | Ogaki, Gifu | 101 |
| 7 | Fukuyama, Hiroshima | 97 |
| 8 | Saijo, Ehime | 97 |
| 9 | Yorii, Saitama | 97 |
| 10 | Kurashiki, Okayama | 96 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
live Unzen aqi ranking
Real-time Unzen air quality ranking
| # | station | US AQI |
|---|---|---|
| 1 | Obama Air Measurement Station | 57 |
(local time)
SEE WORLD AQI RANKING
US AQI
57
live AQI index
Moderate
Overview
What is the current air quality in Unzen?
| Air pollution level | Air quality index | Main pollutant |
|---|---|---|
| Moderate | 57 US AQI | PM2.5 |
| Pollutants | Concentration | |
|---|---|---|
| PM2.5 | 15µg/m³ | |
| PM10 | 22µg/m³ | |
| NO2 | 0µg/m³ | |
| SO2 | 5.2µg/m³ | |
!
PM2.5
x3
PM2.5 concentration in Unzen is currently 3 times the WHO annual air quality guideline value
Health Recommendations
What is the current air quality in Unzen?
 | 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
Unzen air quality index (AQI) forecast
| Day | Pollution level | Weather | Temperature | Wind |
|---|---|---|---|---|
| Wednesday, Apr 17 | Good 48 AQI US  | | 59° 51.8° |  4.5 mp/h |
| Thursday, Apr 18 | Moderate 81 AQI US | | 60.8° 50° | 13.4 mp/h |
| Friday, Apr 19 | Moderate 87 AQI US | | 62.6° 48.2° | 6.7 mp/h |
| Today | Moderate 57 AQI US |  100% | 55.4° 50° | 8.9 mp/h |
| Sunday, Apr 21 | Moderate 62 AQI US | 100% | 59° 51.8° | 8.9 mp/h |
| Monday, Apr 22 | Moderate 59 AQI US | 90% | 57.2° 53.6° | 6.7 mp/h |
| Tuesday, Apr 23 | Moderate 59 AQI US | 100% | 55.4° 53.6° | 4.5 mp/h |
| Wednesday, Apr 24 | Moderate 61 AQI US | 70% | 59° 50° | 6.7 mp/h |
| Thursday, Apr 25 | Moderate 60 AQI US | | 60.8° 48.2° | 8.9 mp/h |
| Friday, Apr 26 | Moderate 59 AQI US | 70% | 53.6° 51.8° | 6.7 mp/h |
Interested in hourly forecast? Get the app
News
The latest air quality news and resources.
Unzen air quality data attribution
1Contributor
Government Contributor
Where is the cleanest air quality in Unzen?
AQI US, Metric