What is the air quality in Shimosuwa today?

The current Air Quality Index (AQI) in Shimosuwa is 30 (Good). PM2.5 concentration is 7.2 µg/m³.

What is the temperature in Shimosuwa right now?

The current temperature in Shimosuwa is 17.6°C (feels like 17.6°C). Humidity is 96.9% and wind speed is 12.4 km/h.

Is it safe to go outside in Shimosuwa?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Shimosuwa, Japan

Drizzle

17.6°C · 96.9% humidity

17.6°

Feels 17.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

24 5pm

30 8pm

26 11pm

25 2am

24 5am

24 8am

24 11am

24 2pm

Air Quality Index Trend

44h · 8 stn

View full history →

Shimosuwa'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.

96.9%

Humidity

12.4 km/h

Wind NNE

1011.1 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Shimosuwa?

Temperature & Precipitation

PM2.5 Trend

44h · 8 stations

PM2.57.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (1 station within 25 km)

7.2

Median

7.2

Average

7.2

Low

7.2

High

PM2.5 µg/m³ · Model: 5.9 · Bias: -1.3

What is the 7-day forecast for Shimosuwa?

09-05

25.8° 17.6°

3.31 mm

09-06

28.2° 16.9°

3.0 mm

09-07

28.1° 17.2°

1.31 mm

09-08

23.5° 16.1°

6.63 mm

09-09

23.3° 17.7°

0.5 mm

09-10

23.6° 17.5°

6.0 mm

09-11

26.0° 17.0°

1.13 mm

Both models agree Avg diff: 2.4°C

Where are air quality stations near Shimosuwa?

Shinmeicho, Okaya, Nagano, Japan (岡谷インターチェンジ岡谷市)

3.2 km PM2.5: 4.1 µg/m³

Kamigawa, Suwa, Nagano, Japan (諏訪諏訪市)

4.7 km PM2.5: 5.0 µg/m³

Nagisa, Matsumoto, Nagano, Japan (松本渚交差点松本市)

21.0 km PM2.5: 6.0 µg/m³

倉敷市/庄, Japan (庄倉敷市)

21.4 km PM2.5: 8.2 µg/m³

What cities are near Shimosuwa?

30 Okaya 30 Suwa 30 Chino 30 Shiojiri 30 Tatsuno 25 Matsumoto 30 Kinoshita 30 Minamiminowa 21 Ina 25 Azumino

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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 2026-09-05T11:14 UTC.