Air Quality in Hagi, Japan
Windy
27.0°C · 86.3% humidity
27.0°
Feels 33.2°
65
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station
Nearby Monitoring Stations
Hagi's air quality — share it
AQI Forecast
27
6am
27
27
65
9am
56
55
49
12pm
45
42
39
3pm
38
37
36
6pm
35
35
35
9pm
55
54
54
12am
54
54
54
3am
54
54
Air Quality Index Trend
45h · 11 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 1.3× the WHO 24-hour guideline of 15 µg/m³.
86.3%
Humidity
67.8 km/h
Wind E
992.8 hPa
Pressure
5.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
18.8 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Hagi?
Temperature & Precipitation
PM2.5 Trend
45h · 11 stationsPM2.518.8 µg/m³
×1.3 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX5.9
High
Station readings (1 station within 25 km)
18.8
Median
18.8
Average
18.8
Low
18.8
High
PM2.5 µg/m³ · Model: 7.1 · Bias: -11.7
What is the 7-day forecast for Hagi?
07-22
28.5° 25.4°
0.44 mm
07-23
25.1° 23.5°
22.94 mm
07-24
27.5° 25.0°
1.37 mm
07-25
26.7° 25.1°
0.25 mm
07-26
26.3° 25.3°
07-27
27.5° 25.6°
0.06 mm
07-28
27.5° 25.6°
0.38 mm
Both models agree
Avg diff: 2.3°C
Where are air quality stations near Hagi?
68
Emukai, Hagi, Yamaguchi, Japan (萩健康福祉センター萩市)
21
Higashifukawa, Nagato, Yamaguchi, Japan (長門土木建築事務所長門市)
23
Yamaguchi, Yamaguchi, Japan (環境保健センター山口市)
19
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 2026-07-22T00:21 UTC.