Air Quality in Nagaoka, Japan
Partly Cloudy
21.5°C · 68.6% humidity
21.5°
Feels 21.5°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Nagaoka's air quality — share it
AQI Forecast
27
5am
27
27
25
8am
27
27
27
11am
27
34
34
2pm
34
34
34
5pm
34
34
34
8pm
34
34
34
11pm
34
34
54
2am
54
54
Air Quality Index Trend
47h · 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.
68.6%
Humidity
12.0 km/h
Wind N
1015.4 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.95 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Nagaoka?
Temperature & Precipitation
PM2.5 Trend
47h · 2 stationsPM2.55.95 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX7.9
Very High
What is the 7-day forecast for Nagaoka?
06-08
24.7° 14.6°
2.5 mm
06-09
22.1° 17.4°
06-10
20.5° 16.7°
2.19 mm
06-11
23.9° 16.1°
06-12
21.1° 16.9°
1.0 mm
06-13
24.9° 15.1°
06-14
30.1° 19.1°
0.06 mm
Both models agree
Avg diff: 1.6°C
What cities are near Nagaoka?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-06-08T23:22 UTC.