Air Quality in Jōetsu, Japan
Cloudy
26.5°C · 76.2% humidity
26.5°
Feels 26.5°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Jōetsu's air quality — share it
AQI Forecast
27
6am
27
27
42
9am
38
35
33
12pm
31
30
29
3pm
26
26
26
6pm
26
27
27
9pm
34
34
34
12am
54
34
34
3am
34
34
Air Quality Index Trend
31h · 2 stnJōetsu'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.
76.2%
Humidity
31.9 km/h
Wind SE
1006.9 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.0 µg/m³
PM10
20.55 µg/m³
050100150200300500
What is the weather forecast for Jōetsu?
Temperature & Precipitation
PM2.5 Trend
31h · 2 stationsPM2.510.0 µg/m³
✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.9
Moderate
What is the 7-day forecast for Jōetsu?
08-03
27.3° 23.4°
1.5 mm
08-04
28.8° 26.6°
2.06 mm
08-05
27.8° 23.9°
0.56 mm
08-06
29.4° 25.9°
8.31 mm
08-07
28.7° 26.0°
08-08
30.5° 28.0°
2.06 mm
08-09
26.7° 25.5°
19.75 mm
Both models agree
Avg diff: 2.9°C
Where are air quality stations near Jōetsu?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T00:54 UTC.