Air Quality in Shimonoseki, Japan

Drizzle
26.4°C · 83.9% humidity
26.4°
Feels 26.4°
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations

Nearby Monitoring Stations

AQI Forecast
34 5pm
54
54
22 8pm
31
8
12 11pm
16
18
20 2am
21
22
22 5am
23
23
23 8am
24
24
24 11am
24
24
24 2pm
24
24
AD 728×90

Air Quality Index Trend

45h · 12 stn

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.

83.9%
Humidity
79.7 km/h
Wind NE
1002.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
22
5.16 µg/m³
PM10▲
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Shimonoseki?

Temperature & Precipitation

PM2.5 Trend

45h · 12 stations
PM2.55.16 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (3 stations within 25 km)
5.16
Median
5.73
Average
5.0
Low
7.2
High
PM2.5 µg/m³ · Model: 10.85 · Bias: +5.7

What is the 7-day forecast for Shimonoseki?

09-05
27.5° 25.9°
1.69 mm
09-06
28.1° 25.2°
0.06 mm
09-07
30.0° 25.4°
1.88 mm
09-08
27.7° 24.8°
0.62 mm
09-09
26.5° 25.6°
0.75 mm
09-10
27.5° 24.4°
8.06 mm
09-11
27.1° 25.1°
2.88 mm
Both models agree Avg diff: 1.6°C

Where are air quality stations near Shimonoseki?

25
Shimonoseki (下関)
0.5 km PM2.5: 6.0 µg/m³
25
Yamanotahonmachi, Shimonoseki, Yamaguchi, Japan (山の田局下関市)
3.9 km PM2.5: 6.0 µg/m³
7
Hikoshima Sakomachi, Shimonoseki, Yamaguchi, Japan (彦島局下関市)
4.1 km PM2.5: 1.7 µg/m³
25
Chofukamenoko, Shimonoseki, Yamaguchi, Japan (長府局下関市)
7.1 km PM2.5: 6.0 µg/m³
17
Tomihisacho, Fukuoka, Japan (苅田京都郡苅田町)
20.3 km PM2.5: 4.1 µg/m³
30
Sue, Sanyoonoda, Yamaguchi, Japan (須恵健康公園山陽小野田市)
22.5 km PM2.5: 7.2 µg/m³
25
Toyouracho Oaza Kogushi, Shimonoseki, Yamaguchi, Japan (豊浦局下関市)
24.0 km PM2.5: 6.0 µg/m³
17
Tsudamachi, Nogata, Fukuoka, Japan (直方直方市)
30.1 km PM2.5: 4.1 µg/m³
17
Tsudamachi, Nogata, Fukuoka, Japan (直方直方市)
30.1 km PM2.5: 4.1 µg/m³

What cities are near Shimonoseki?

24 Kitakyushu 21 Kanda 21 Sanyōonoda 21 Onoda 28 Miyaodai 21 Yukuhashi 29 Nakama 23 Miyako 29 Inokura 24 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 2026-09-05T11:15 UTC.