Air Quality in Shimonoseki, Japan

Drizzle
19.5°C · 90.7% humidity
19.5°
Feels 19.5°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
9 stations

Nearby Monitoring Stations

AQI Forecast
54 3am
54
54
54 6am
57
77
79 9am
80
64
64 12pm
65
65
65 3pm
66
66
66 6pm
66
66
66 9pm
54
54
54 12am
54
54
AD 728×90

Air Quality Index Trend

47h · 22 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. Current PM2.5 concentration in Shimonoseki is 2.7× the WHO annual guideline of 5 µg/m³.

90.7%
Humidity
45.6 km/h
Wind ENE
1004.0 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
54
13.33 µg/m³
PM10
38
41.2 µg/m³
050100150200300500

What is the weather forecast for Shimonoseki?

Temperature & Precipitation

PM2.5 Trend

47h · 22 stations
PM2.513.33 µg/m³ ✓ WHO
Moderate
PM1041.2 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (9 stations within 25 km)
13.33
Median
9.54
Average
5.0
Low
13.5
High
PM2.5 µg/m³ · Model: 16.35 · Bias: +3.0

What is the 7-day forecast for Shimonoseki?

05-28
21.1° 16.8°
33.5 mm
05-29
20.4° 19.5°
0.25 mm
05-30
21.4° 20.7°
0.31 mm
05-31
22.2° 20.1°
1.13 mm
06-01
23.8° 20.2°
0.06 mm
06-02
22.8° 20.9°
06-03
22.3° 18.7°
32.56 mm
Both models agree Avg diff: 2.1°C

Where are air quality stations near Shimonoseki?

38
Shimonoseki (下関)
0.5 km PM2.5: 9.1 µg/m³
65
Shimonoseki (下関)
0.5 km PM2.5: 18.8 µg/m³
34
Chofukamenoko, Shimonoseki, Yamaguchi, Japan (長府局下関市)
7.1 km PM2.5: 8.2 µg/m³
42
Chofukamenoko, Shimonoseki, Yamaguchi, Japan (長府局下関市)
7.1 km PM2.5: 10.1 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
36
Sue, Sanyoonoda, Yamaguchi, Japan (須恵健康公園山陽小野田市)
22.5 km PM2.5: 8.6 µg/m³
15
Toyouracho Oaza Kogushi, Shimonoseki, Yamaguchi, Japan (豊浦局下関市)
24.0 km PM2.5: 3.6 µg/m³
38
Toyouracho Oaza Kogushi, Shimonoseki, Yamaguchi, Japan (豊浦局下関市)
24.0 km PM2.5: 9.1 µg/m³
38
Tsudamachi, Nogata, Fukuoka, Japan (直方直方市)
30.1 km PM2.5: 9.1 µg/m³

What cities are near Shimonoseki?

41 Kitakyushu 21 Kanda 37 Sanyōonoda 37 Onoda 38 Miyaodai 23 Yukuhashi 34 Nakama 26 Miyako 32 Inokura 43 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 2026-05-28T21:36 UTC.