Air Quality in Nagaoka, Japan
Drizzle
24.3°C · 85.6% humidity
24.3°
Feels 24.3°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Nagaoka's air quality — share it
AQI Forecast
27
7am
34
34
31
10am
34
34
34
1pm
34
34
34
4pm
34
34
34
7pm
34
34
54
10pm
54
54
34
1am
34
34
27
4am
27
27
Air Quality Index Trend
27h · 2 stnNagaoka'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.
85.6%
Humidity
19.6 km/h
Wind SE
1007.2 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.35 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Nagaoka?
Temperature & Precipitation
PM2.5 Trend
27h · 2 stationsPM2.57.35 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for Nagaoka?
08-03
34.6° 22.5°
1.25 mm
08-04
31.9° 25.1°
0.75 mm
08-05
28.9° 24.0°
0.06 mm
08-06
31.6° 22.7°
1.31 mm
08-07
30.7° 23.9°
0.88 mm
08-08
31.8° 28.7°
0.94 mm
08-09
27.2° 22.0°
24.12 mm
Both models agree
Avg diff: 2.9°C
What cities are near Nagaoka?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T01:59 UTC.