Air Quality in Semboku, Japan
Heavy Rain
20.9°C · 58.1% humidity
20.9°
Feels 20.9°
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
AQI Forecast
24
6am
24
24
30
9am
28
27
27
12pm
27
26
25
3pm
25
27
27
6pm
27
25
27
9pm
34
54
34
12am
34
34
27
3am
27
27
Air Quality Index Trend
29h · 1 stnSemboku'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 Semboku is 1.4× the WHO annual guideline of 5 µg/m³.
58.1%
Humidity
21.9 km/h
Wind SSE
996.7 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.13 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Semboku?
Temperature & Precipitation
PM2.5 Trend
29h · 1 stationPM2.57.13 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for Semboku?
05-29
22.7° 11.7°
37.44 mm
05-30
21.9° 8.8°
0.19 mm
05-31
21.8° 9.5°
06-01
23.0° 13.0°
0.06 mm
06-02
21.6° 14.4°
0.06 mm
06-03
18.9° 15.2°
1.31 mm
06-04
24.2° 11.8°
9.88 mm
Both models agree
Avg diff: 2.7°C
What cities are near Semboku?
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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 2026-05-29T00:11 UTC.