Air Quality in Suwa, Japan
Overcast
19.5°C · 97.0% humidity
19.5°
Feels 19.5°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Suwa's air quality — share it
AQI Forecast
25
10am
25
25
25
1pm
25
25
25
4pm
25
25
27
7pm
27
27
27
10pm
27
27
27
1am
27
27
27
4am
34
27
27
7am
25
25
Air Quality Index Trend
42h · 7 stnSuwa'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.
97.0%
Humidity
8.1 km/h
Wind ESE
1010.7 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.9 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Suwa?
Temperature & Precipitation
PM2.5 Trend
42h · 7 stationsPM2.55.9 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.9
Moderate
What is the 7-day forecast for Suwa?
08-03
25.9° 19.5°
13.94 mm
08-04
33.1° 19.7°
4.88 mm
08-05
25.7° 20.5°
5.06 mm
08-06
26.3° 18.4°
43.75 mm
08-07
31.0° 20.1°
7.0 mm
08-08
30.6° 18.7°
25.13 mm
08-09
30.0° 18.4°
0.13 mm
Both models agree
Avg diff: 2.9°C
Where are air quality stations near Suwa?
34
Kamigawa, Suwa, Nagano, Japan (諏訪諏訪市)
13
Shinmeicho, Okaya, Nagano, Japan (岡谷インターチェンジ岡谷市)
38
Shinmeicho, Okaya, Nagano, Japan (岡谷インターチェンジ岡谷市)
30
Arai, Ina, Nagano, Japan (伊那伊那市)
34
Arai, Ina, Nagano, Japan (伊那伊那市)
38
Shimadachi, Matsumoto, Nagano, Japan (松本松本市)
What cities are near Suwa?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T04:48 UTC.