Air Quality in Yamaguchi, Japan
Cloudy
20.3°C · 73.1% humidity
20.3°
Feels 20.3°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Yamaguchi's air quality — share it
AQI Forecast
34
8am
27
27
28
11am
27
27
27
2pm
27
27
27
5pm
27
27
27
8pm
27
34
34
11pm
34
34
34
2am
34
27
27
5am
27
27
Air Quality Index Trend
46h · 13 stnYamaguchi'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.
73.1%
Humidity
28.4 km/h
Wind SSE
1013.5 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.7 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Yamaguchi?
Temperature & Precipitation
PM2.5 Trend
46h · 13 stationsPM2.56.7 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
Station readings (2 stations within 25 km)
6.7
Median
6.45
Average
6.2
Low
6.7
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -0.2
What is the 7-day forecast for Yamaguchi?
06-09
23.9° 18.0°
06-10
19.4° 16.0°
2.75 mm
06-11
28.2° 17.4°
06-12
26.1° 17.7°
06-13
29.4° 19.1°
0.44 mm
06-14
21.7° 17.9°
28.88 mm
06-15
27.1° 16.5°
2.25 mm
Both models agree
Avg diff: 2.0°C
Where are air quality stations near Yamaguchi?
41
Yamaguchi, Yamaguchi, Japan (環境保健センター山口市)
45
Yamaguchi, Yamaguchi, Japan (環境保健センター山口市)
13
Emukai, Hagi, Yamaguchi, Japan (萩健康福祉センター萩市)
What cities are near Yamaguchi?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-09T02:17 UTC.