Air Quality in Shiojiri, Japan
Overcast
15.8°C · 97.3% humidity
15.8°
Feels 15.8°
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Shiojiri's air quality — share it
AQI Forecast
25
6am
25
25
34
9am
31
30
28
12pm
27
27
26
3pm
26
26
25
6pm
27
27
27
9pm
27
27
27
12am
27
27
27
3am
27
34
Air Quality Index Trend
40h · 10 stnShiojiri'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.
97.3%
Humidity
12.9 km/h
Wind NNW
1012.5 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
8.25 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Shiojiri?
Temperature & Precipitation
PM2.5 Trend
40h · 10 stationsPM2.58.25 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
What is the 7-day forecast for Shiojiri?
08-03
22.1° 15.8°
9.5 mm
08-04
23.6° 16.9°
8.75 mm
08-05
22.0° 17.1°
7.5 mm
08-06
22.1° 15.5°
22.56 mm
08-07
24.4° 17.0°
9.81 mm
08-08
26.8° 16.8°
9.13 mm
08-09
23.1° 16.1°
0.94 mm
Both models agree
Avg diff: 5.7°C
Where are air quality stations near Shiojiri?
13
Shinmeicho, Okaya, Nagano, Japan (岡谷インターチェンジ岡谷市)
17
Kamigawa, Suwa, Nagano, Japan (諏訪諏訪市)
25
Nagisa, Matsumoto, Nagano, Japan (松本渚交差点松本市)
30
Nagisa, Matsumoto, Nagano, Japan (松本渚交差点松本市)
7
Shimadachi, Matsumoto, Nagano, Japan (松本松本市)
What cities are near Shiojiri?
Get AQI alerts for Shiojiri
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T00:56 UTC.