Air Quality in Unzen, Japan
Windy
27.4°C · 67.1% humidity
27.4°
Feels 31.4°
47
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Unzen's air quality — share it
AQI Forecast
Calibrated
17
5pm
17
17
47
8pm
39
31
27
11pm
24
21
20
2am
19
18
17
5am
17
17
17
8am
16
16
16
11am
16
16
16
2pm
16
16
Station readings
7h ago
AQI 19
PM2.5 4.6 µg/m³ · 7h ago
Air Quality Index Trend
45h · 26 stnUnzen'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.
67.1%
Humidity
76.3 km/h
Wind NNE
1000.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
11.25 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Unzen?
Temperature & Precipitation
PM2.5 Trend
45h · 26 stationsPM2.511.25 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
Station readings (3 stations within 25 km)
11.25
Median
8.73
Average
5.0
Low
12.1
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -4.8
What is the 7-day forecast for Unzen?
09-05
28.2° 24.7°
0.38 mm
09-06
30.7° 23.7°
3.06 mm
09-07
27.2° 23.2°
0.13 mm
09-08
29.6° 23.6°
0.19 mm
09-09
29.4° 24.6°
1.31 mm
09-10
29.2° 22.6°
0.81 mm
09-11
28.3° 21.9°
3.44 mm
Both models agree
Avg diff: 2.3°C
Where are air quality stations near Unzen?
51
Obamacho Kitahonmachi, Unzen, Nagasaki, Japan (小浜大気測定局雲仙市)
38
Shindenmachi, Shimabara, Nagasaki, Japan (島原大気測定局島原市)
21
Mawatarimachi, Isahaya, Nagasaki, Japan (諫早諌早市)
What cities are near Unzen?
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 2026-09-05T11:23 UTC.