Air Quality in Yonezawa, Japan
Drizzle
18.6°C · 98.0% humidity
18.6°
Feels 18.6°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Yonezawa's air quality — share it
AQI Forecast
24
6am
24
24
40
9am
35
32
31
12pm
29
28
27
3pm
27
26
26
6pm
26
25
25
9pm
27
27
27
12am
27
25
25
3am
25
24
Air Quality Index Trend
38h · 2 stnYonezawa'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.
98.0%
Humidity
34.9 km/h
Wind ESE
1005.0 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.65 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Yonezawa?
Temperature & Precipitation
PM2.5 Trend
38h · 2 stationsPM2.59.65 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for Yonezawa?
07-22
22.4° 18.6°
29.69 mm
07-23
24.2° 16.5°
0.88 mm
07-24
25.0° 21.1°
0.69 mm
07-25
26.8° 15.7°
6.62 mm
07-26
23.7° 15.1°
1.25 mm
07-27
26.4° 19.9°
1.75 mm
07-28
23.7° 20.7°
2.56 mm
Both models agree
Avg diff: 3.2°C
Where are air quality stations near Yonezawa?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-22T00:24 UTC.