Air Quality in Shimonoseki, Japan

Drizzle
26.6°C · 90.5% humidity
26.6°
Feels 26.6°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
34 5am
27
27
42 8am
38
42
40 11am
38
37
36 2pm
35
55
55 5pm
55
54
54 8pm
54
54
54 11pm
54
54
54 2am
54
54
AD 728×90

Air Quality Index Trend

46h · 18 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.

90.5%
Humidity
157.0 km/h
Wind ESE
991.5 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.25 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Shimonoseki?

Temperature & Precipitation

PM2.5 Trend

46h · 18 stations
PM2.510.25 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
Station readings (4 stations within 25 km)
10.25
Median
9.82
Average
6.0
Low
15.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -0.2

What is the 7-day forecast for Shimonoseki?

07-21
26.3° 25.2°
1.25 mm
07-22
28.5° 25.6°
6.38 mm
07-23
26.5° 23.5°
6.0 mm
07-24
27.4° 25.6°
0.38 mm
07-25
27.4° 25.0°
0.06 mm
07-26
26.5° 25.6°
07-27
27.6° 26.2°
Both models agree Avg diff: 1.9°C

Where are air quality stations near Shimonoseki?

50
Shimonoseki (下関)
0.5 km PM2.5: 12.0 µg/m³
70
Shimonoseki (下関)
0.5 km PM2.5: 21.1 µg/m³
21
Chofukamenoko, Shimonoseki, Yamaguchi, Japan (長府局下関市)
7.1 km PM2.5: 5.0 µg/m³
23
Chofukamenoko, Shimonoseki, Yamaguchi, Japan (長府局下関市)
7.1 km PM2.5: 5.5 µg/m³
30
Tomihisacho, Fukuoka, Japan (苅田京都郡苅田町)
20.3 km PM2.5: 7.2 µg/m³
74
Sue, Sanyoonoda, Yamaguchi, Japan (須恵健康公園山陽小野田市)
22.5 km PM2.5: 23.0 µg/m³
27
Sue, Sanyoonoda, Yamaguchi, Japan (須恵健康公園山陽小野田市)
22.5 km PM2.5: 6.5 µg/m³
26
Toyouracho Oaza Kogushi, Shimonoseki, Yamaguchi, Japan (豊浦局下関市)
24.0 km PM2.5: 6.2 µg/m³
61
Toyouracho Oaza Kogushi, Shimonoseki, Yamaguchi, Japan (豊浦局下関市)
24.0 km PM2.5: 16.9 µg/m³
55
Tsudamachi, Nogata, Fukuoka, Japan (直方直方市)
30.1 km PM2.5: 14.0 µg/m³

What cities are near Shimonoseki?

47 Kitakyushu 34 Kanda 52 Sanyōonoda 52 Onoda 43 Miyaodai 40 Yukuhashi 41 Nakama 43 Miyako 33 Inokura 54 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 2026-07-21T23:17 UTC.