Air Quality in Nagaoka, Japan
Rain
22.7°C · 95.0% humidity
22.7°
Feels 22.7°
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Nagaoka's air quality — share it
AQI Forecast
25
5am
25
25
52
8am
46
48
44
11am
41
39
38
2pm
37
36
35
5pm
35
35
34
8pm
34
54
34
11pm
34
34
34
2am
27
34
Air Quality Index Trend
42h · 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.
95.0%
Humidity
21.2 km/h
Wind E
1000.1 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
12.6 µg/m³
PM10
27.45 µg/m³
050100150200300500
What is the weather forecast for Nagaoka?
Temperature & Precipitation
PM2.5 Trend
42h · 3 stationsPM2.512.6 µg/m³
✓ WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Nagaoka?
07-21
27.2° 21.6°
3.81 mm
07-22
31.3° 21.5°
9.5 mm
07-23
28.8° 17.5°
0.5 mm
07-24
28.9° 23.9°
0.5 mm
07-25
29.9° 21.3°
1.06 mm
07-26
27.2° 21.4°
0.13 mm
07-27
29.0° 22.2°
0.31 mm
Both models agree
Avg diff: 2.3°C
Where are air quality stations near Nagaoka?
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 2026-07-21T23:16 UTC.