Air Quality in Shimosuwa, Japan
Drizzle
13.2°C · 96.7% humidity
13.2°
Feels 13.2°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Shimosuwa's air quality — share it
AQI Forecast
34
9pm
27
27
42
12am
38
35
33
3am
31
37
36
6am
28
26
26
9am
26
25
25
12pm
25
25
25
3pm
25
25
25
6pm
25
27
Air Quality Index Trend
47h · 3 stnShimosuwa'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. Current PM2.5 concentration in Shimosuwa is 2.0× the WHO annual guideline of 5 µg/m³.
96.7%
Humidity
24.8 km/h
Wind SSE
1021.1 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.0 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Shimosuwa?
Temperature & Precipitation
PM2.5 Trend
47h · 3 stationsPM2.510.0 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Shimosuwa?
05-29
19.4° 13.2°
45.12 mm
05-30
21.7° 12.9°
2.69 mm
05-31
23.7° 13.8°
0.06 mm
06-01
21.6° 13.8°
06-02
24.3° 12.1°
0.56 mm
06-03
24.8° 14.1°
2.31 mm
06-04
21.0° 8.3°
1.44 mm
Both models agree
Avg diff: 2.5°C
Where are air quality stations near Shimosuwa?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T15:09 UTC.