Air Quality in Shiojiri, Japan

Drizzle
10.0°C · 87.7% humidity
10.0°
Feels 7.4°
24
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
— 2pm
—
—
— 5pm
—
—
— 8pm
—
—
— 11pm
—
—
— 2am
—
—
— 5am
—
—
— 8am
—
—
— 11am
—
—

Air Quality Index Trend

45h · 4 stn

Shiojiri'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.

87.7%
Humidity
18.9 km/h
Wind W
1019.7 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
24
5.8 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Shiojiri?

Temperature & Precipitation

PM2.5 Trend

45h · 4 stations
PM2.55.8 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.0
Low

What is the 7-day forecast for Shiojiri?

10-21
10.9° 4.8°
0.38 mm
10-22
16.1° 7.4°
0.31 mm
10-23
14.5° 4.8°
0.06 mm
10-24
13.6° 8.4°
1.25 mm
10-25
13.0° 0.3°
3.44 mm
10-26
10.8° 1.3°
10-27
9.1° 1.8°
0.63 mm
Both models agree Avg diff: 5.3°C

Where are air quality stations near Shiojiri?

25
Shinmeicho, Okaya, Nagano, Japan (岡谷インターチェンジ岡谷市)
7.7 km PM2.5: 6.0 µg/m³
63
Kamigawa, Suwa, Nagano, Japan (諏訪諏訪市)
14.6 km PM2.5: 17.8 µg/m³
38
Nagisa, Matsumoto, Nagano, Japan (松本渚交差点松本市)
14.7 km PM2.5: 9.1 µg/m³

What cities are near Shiojiri?

55 Okaya 55 Shimosuwa 24 Tatsuno 24 Matsumoto 55 Suwa 55 Chino 24 Azumino 24 Kinoshita 24 Toyoshina 24 Minamiminowa
Get AQI alerts for Shiojiri

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-21T08:31 UTC.