Air Quality in Yamaguchi, Japan

Cloudy
20.3°C · 73.1% humidity
20.3°
Feels 20.3°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations

Nearby Monitoring Stations

AQI Forecast
34 8am
27
27
17 11am
20
22
23 2pm
24
25
26 5pm
26
26
27 8pm
27
34
34 11pm
34
34
34 2am
34
27
27 5am
27
27
AD 728×90

Air Quality Index Trend

46h · 13 stn

Yamaguchi'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▲
17
4.11 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Yamaguchi?

Temperature & Precipitation

PM2.5 Trend

46h · 13 stations
PM2.54.11 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (2 stations within 25 km)
4.11
Median
6.15
Average
4.1
Low
8.2
High
PM2.5 µg/m³ · Model: 6.5 · Bias: +2.4

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?

45
Yamaguchi, Yamaguchi, Japan (環境保健センター山口市)
0.8 km PM2.5: 10.8 µg/m³
16
Yamaguchi, Yamaguchi, Japan (環境保健センター山口市)
0.8 km PM2.5: 3.8 µg/m³
34
Emukai, Hagi, Yamaguchi, Japan (萩健康福祉センター萩市)
25.4 km PM2.5: 8.2 µg/m³

What cities are near Yamaguchi?

25 Ogōri-shimogō 34 Hōfu 26 Mine 9 Hagi 33 Sanyōonoda 32 Onoda 9 Nagato 34 Ube 37 Shūnan 41 Tokuyama
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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 2026-06-09T02:12 UTC.