What is the air quality in Shimonoseki today?

The current Air Quality Index (AQI) in Shimonoseki is 22 (Good). PM2.5 concentration is 5.15 µg/m³.

What is the temperature in Shimonoseki right now?

The current temperature in Shimonoseki is 19.6°C (feels like 19.6°C). Humidity is 87.9% and wind speed is 45.6 km/h.

Is it safe to go outside in Shimonoseki?

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

Air Quality in Shimonoseki, Japan

Rain

19.6°C · 87.9% humidity

19.6°

Feels 19.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

5 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 15 stn

View full history →

Shimonoseki'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.

87.9%

Humidity

45.6 km/h

Wind ENE

1015.9 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5

5.15 µg/m³

PM10▲

41.2 µg/m³

050100150200300500

What is the weather forecast for Shimonoseki?

Temperature & Precipitation

PM2.5 Trend

45h · 15 stations

PM2.55.15 µg/m³ ✓ WHO

Good

PM1041.2 µg/m³

Good

UV INDEX0.0

Low

Station readings (5 stations within 25 km)

5.15

Median

6.92

Average

1.2

Low

12.0

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +8.4

What is the 7-day forecast for Shimonoseki?

10-21

20.2° 18.7°

15.5 mm

10-22

22.4° 21.2°

10-23

21.2° 19.1°

2.12 mm

10-24

21.5° 18.5°

4.19 mm

10-25

20.1° 16.4°

0.63 mm

10-26

19.3° 14.4°

10-27

19.2° 18.2°

0.31 mm

Both models agree Avg diff: 3.7°C

Where are air quality stations near Shimonoseki?

Shimonoseki (下関)

0.5 km PM2.5: 5.0 µg/m³

Shimonoseki (下関)

0.5 km PM2.5: 9.6 µg/m³

Shimonoseki (下関)

0.5 km PM2.5: 7.2 µg/m³

Yamanotahonmachi, Shimonoseki, Yamaguchi, Japan (山の田局下関市)

3.9 km PM2.5: 10.1 µg/m³

Yamanotahonmachi, Shimonoseki, Yamaguchi, Japan (山の田局下関市)

3.9 km PM2.5: 12.0 µg/m³

Hikoshima Sakomachi, Shimonoseki, Yamaguchi, Japan (彦島局下関市)

4.1 km PM2.5: 8.2 µg/m³

Chofukamenoko, Shimonoseki, Yamaguchi, Japan (長府局下関市)

7.1 km PM2.5: 2.2 µg/m³

Chofukamenoko, Shimonoseki, Yamaguchi, Japan (長府局下関市)

7.1 km PM2.5: 2.2 µg/m³

Tomihisacho, Fukuoka, Japan (苅田京都郡苅田町)

20.3 km PM2.5: 1.2 µg/m³

Tomihisacho, Fukuoka, Japan (苅田京都郡苅田町)

20.3 km PM2.5: 7.2 µg/m³

What cities are near Shimonoseki?

28 Kitakyushu 5 Kanda 29 Sanyōonoda 31 Onoda 29 Miyaodai 5 Yukuhashi 20 Nakama 5 Miyako 12 Inokura 10 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 2026-10-21T08:31 UTC.