Air Quality in Hagi, Japan
Drizzle
20.1°C · 87.5% humidity
20.1°
Feels 20.1°
35
Good
Air quality is satisfactory. Enjoy outdoor activities.
2 stations
Nearby Monitoring Stations
Hagi's air quality — share it
AQI Forecast
66
6am
66
83
35
9am
31
41
48
12pm
53
57
59
3pm
49
51
52
6pm
52
53
53
9pm
33
34
27
12am
27
27
27
3am
27
27
Air Quality Index Trend
47h · 12 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. Current PM2.5 concentration in Hagi is 1.7× the WHO annual guideline of 5 µg/m³.
87.5%
Humidity
16.7 km/h
Wind NW
1004.0 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
8.5 µg/m³
PM10▲
98.05 µg/m³
050100150200300500
What is the weather forecast for Hagi?
Temperature & Precipitation
PM2.5 Trend
47h · 12 stationsPM2.58.5 µg/m³
✓ WHO
Good
PM1098.05 µg/m³
Moderate
UV INDEX10.9
Extreme
Station readings (2 stations within 25 km)
8.5
Median
8.5
Average
5.0
Low
12.0
High
PM2.5 µg/m³ · Model: 20.75 · Bias: +12.2
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?
21
Emukai, Hagi, Yamaguchi, Japan (萩健康福祉センター萩市)
34
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)
42
Yamaguchi, Yamaguchi, Japan (環境保健センター山口市)
What cities are near Hagi?
Get AQI alerts for Hagi
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 2026-05-29T00:10 UTC.