Kamigawa, Suwa, Nagano, Japan (諏訪諏訪市) Air Quality

Monitoring Station · Suwa, Japan

25

Good

Air quality is satisfactory. Enjoy outdoor activities.

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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

25 12am

23

23

23 3am

23

23

23 6am

23

23

23 9am

25

25

25 12pm

25

25

— 3pm

—

—

— 6pm

—

—

— 9pm

—

—

CAMS model adj -2

25

25

25

25

25

25

25

25

25

25

27

27

27

27

27

Air Quality Forecast (24h)

PM2.56.0 µg/m³ ✓ WHO

Good

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Nearby Monitoring Stations

Kamigawa, Suwa, Nagano, Japan (諏訪諏訪市)

0.0 km PM2.5: 4.1 µg/m³

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

7.3 km PM2.5: 3.1 µg/m³

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

7.3 km PM2.5: 6.0 µg/m³

Arai, Ina, Nagano, Japan (伊那伊那市)

25.4 km PM2.5: 4.1 µg/m³

Arai, Ina, Nagano, Japan (伊那伊那市)

25.4 km PM2.5: 4.1 µg/m³

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

25.8 km PM2.5: 5.0 µg/m³

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

25.8 km PM2.5: 6.0 µg/m³

Shimadachi, Matsumoto, Nagano, Japan (松本松本市)

26.8 km PM2.5: 7.2 µg/m³

Nearby Cities

25 Suwa 25 Shimosuwa 25 Chino 25 Okaya 35 Tatsuno 34 Shiojiri 35 Kinoshita 35 Minamiminowa 31 Matsumoto

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T03:04 UTC.