Air Quality in Hagi, Japan
Windy
20.9°C · 84.5% humidity
20.9°
Feels 20.9°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Hagi's air quality — share it
AQI Forecast
27
2am
27
27
30
5am
25
25
27
8am
34
25
25
11am
25
25
25
2pm
27
27
27
5pm
27
34
34
8pm
34
54
54
11pm
54
54
Air Quality Index Trend
47h · 10 stnHagi'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.
84.5%
Humidity
64.8 km/h
Wind SSE
1016.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.2 µg/m³
PM10
27.45 µg/m³
050100150200300500
What is the weather forecast for Hagi?
Temperature & Precipitation
PM2.5 Trend
47h · 10 stationsPM2.57.2 µg/m³
✓ WHO
Good
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
Station readings (1 station within 25 km)
7.2
Median
7.2
Average
7.2
Low
7.2
High
PM2.5 µg/m³ · Model: 12.85 · Bias: +5.7
What is the 7-day forecast for Hagi?
05-29
20.9° 20.1°
1.13 mm
05-30
22.5° 20.3°
0.5 mm
05-31
22.4° 20.8°
06-01
22.4° 19.9°
0.69 mm
06-02
22.3° 20.7°
0.13 mm
06-03
22.1° 19.1°
33.0 mm
06-04
21.9° 19.8°
12.69 mm
Both models agree
Avg diff: 2.2°C
Where are air quality stations near Hagi?
34
Emukai, Hagi, Yamaguchi, Japan (萩健康福祉センター萩市)
30
Higashifukawa, Nagato, Yamaguchi, Japan (長門土木建築事務所長門市)
34
Yamaguchi, Yamaguchi, Japan (環境保健センター山口市)
34
Yamaguchi, Yamaguchi, Japan (環境保健センター山口市)
What cities are near Hagi?
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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 2026-05-29T20:29 UTC.