Air Quality in Unzen, Japan

Drizzle
23.1°C · 61.9% humidity
23.1°
Feels 23.1°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
54 8am
54
66
40 11am
44
47
49 2pm
50
51
52 5pm
53
53
53 8pm
34
54
54 11pm
54
54
54 2am
54
54
66 5am
83
83
AD 728×90

Air Quality Index Trend

47h · 22 stn

Unzen's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions.

61.9%
Humidity
26.8 km/h
Wind NE
1013.0 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
40
9.64 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Unzen?

Temperature & Precipitation

PM2.5 Trend

47h · 22 stations
PM2.59.64 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
9.64
Median
8.5
Average
7.2
Low
10.1
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +3.9

What is the 7-day forecast for Unzen?

06-09
23.1° 20.5°
0.44 mm
06-10
21.8° 18.3°
0.56 mm
06-11
27.7° 20.5°
06-12
25.6° 20.2°
06-13
25.0° 20.7°
31.56 mm
06-14
23.2° 17.9°
69.0 mm
06-15
26.5° 19.3°
31.81 mm
Both models agree Avg diff: 1.5°C

Where are air quality stations near Unzen?

40
Obamacho Kitahonmachi, Unzen, Nagasaki, Japan (小浜大気測定局雲仙市)
5.6 km PM2.5: 9.6 µg/m³
47
Obamacho Kitahonmachi, Unzen, Nagasaki, Japan (小浜大気測定局雲仙市)
5.6 km PM2.5: 11.3 µg/m³
34
Obamacho Kitahonmachi, Unzen, Nagasaki, Japan (小浜大気測定局雲仙市)
5.6 km PM2.5: 8.2 µg/m³
30
Shindenmachi, Shimabara, Nagasaki, Japan (島原大気測定局島原市)
12.0 km PM2.5: 7.2 µg/m³
46
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
22.4 km PM2.5: 11.0 µg/m³
46
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
22.4 km PM2.5: 11.0 µg/m³
–
Kawanobori, Arao-shi, Kumamoto-ken, Japan (荒尾運動公園荒尾市)
31.0 km
53
Kawanobori, Arao-shi, Kumamoto-ken, Japan (荒尾運動公園荒尾市)
31.0 km PM2.5: 13.1 µg/m³

What cities are near Unzen?

38 Minamishimabara 34 Shimabara 31 Isahaya 27 Nagasu 30 Ōyanomachi-noboritate 25 Arao 50 Ōmura 25 Nagasaki 35 Obita 25 Ōmuta
Get AQI alerts for Unzen

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:10 UTC.