Air Quality in Nagaoka, Japan
Cloudy
17.5°C · 87.3% humidity
17.5°
Feels 17.5°
40
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model
Nearby Monitoring Stations
Nagaoka's air quality — share it
AQI Forecast
34
12am
34
27
40
3am
34
32
30
6am
30
29
29
9am
28
28
35
12pm
34
34
34
3pm
34
54
54
6pm
54
54
54
9pm
34
34
Air Quality Index Trend
46h · 3 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.
87.3%
Humidity
24.0 km/h
Wind SE
1018.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
9.72 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Nagaoka?
Temperature & Precipitation
PM2.5 Trend
46h · 3 stationsPM2.59.72 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Nagaoka?
05-29
23.1° 15.5°
27.63 mm
05-30
22.9° 15.1°
2.81 mm
05-31
24.1° 15.7°
06-01
23.6° 17.2°
06-02
24.0° 15.8°
0.13 mm
06-03
25.8° 17.9°
1.56 mm
06-04
25.1° 15.5°
4.31 mm
Both models agree
Avg diff: 2.2°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 2026-05-29T18:43 UTC.