What is the air quality in Hagi today?

The current Air Quality Index (AQI) in Hagi is 5 (Good). PM2.5 concentration is 1.2 µg/m³.

What is the temperature in Hagi right now?

The current temperature in Hagi is 20.7°C (feels like 20.7°C). Humidity is 82.9% and wind speed is 94.2 km/h.

Is it safe to go outside in Hagi?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Hagi, Japan

Rain

20.7°C · 82.9% humidity

20.7°

Feels 20.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 16 stn

View full history →

Hagi'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.

82.9%

Humidity

94.2 km/h

Wind S

1016.0 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

1.2 µg/m³

PM10▲

27.4 µg/m³

050100150200300500

What is the weather forecast for Hagi?

Temperature & Precipitation

PM2.5 Trend

46h · 16 stations

PM2.51.2 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

1.2

Median

1.2

Average

1.2

Low

1.2

High

PM2.5 µg/m³ · Model: 8.2 · Bias: +7.0

What is the 7-day forecast for Hagi?

10-21

20.7° 18.7°

8.25 mm

10-22

22.1° 21.0°

0.06 mm

10-23

20.4° 18.6°

1.44 mm

10-24

21.2° 18.2°

10.19 mm

10-25

20.3° 17.2°

0.81 mm

10-26

19.5° 14.3°

0.19 mm

10-27

19.2° 18.1°

0.56 mm

Both models agree Avg diff: 3.6°C

Where are air quality stations near Hagi?

Emukai, Hagi, Yamaguchi, Japan (萩健康福祉センター萩市)

1.6 km PM2.5: 2.4 µg/m³

Higashifukawa, Nagato, Yamaguchi, Japan (長門土木建築事務所長門市)

21.6 km PM2.5: 1.2 µg/m³

Higashifukawa, Nagato, Yamaguchi, Japan (長門土木建築事務所長門市)

21.6 km PM2.5: 2.9 µg/m³

Higashifukawa, Nagato, Yamaguchi, Japan (長門土木建築事務所長門市)

21.6 km PM2.5: 2.9 µg/m³

Yamaguchi, Yamaguchi, Japan (環境保健センター山口市)

25.2 km PM2.5: 6.0 µg/m³

Yamaguchi, Yamaguchi, Japan (環境保健センター山口市)

25.2 km PM2.5: 2.2 µg/m³

What cities are near Hagi?

5 Nagato 34 Yamaguchi 16 Mine 21 Ogōri-shimogō 7 Hōfu 23 Sanyōonoda 25 Onoda 30 Masuda 18 Shūnan 22 Ube

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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 2026-10-21T07:41 UTC.