Air Quality in Nagaoka, Japan

Drizzle
21.5°C · 94.3% humidity
21.5°
Feels 21.5°
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
25 4pm
25
25
25 7pm
25
25
25 10pm
25
25
24 1am
24
24
24 4am
24
24
24 7am
24
24
25 10am
25
25
25 1pm
25
25
AD 728×90

Air Quality Index Trend

45h · 3 stn

Nagaoka'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.

94.3%
Humidity
19.3 km/h
Wind ESE
1008.7 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
25
6.0 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Nagaoka?

Temperature & Precipitation

PM2.5 Trend

45h · 3 stations
PM2.56.0 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250

What is the 7-day forecast for Nagaoka?

09-05
31.5° 21.5°
0.81 mm
09-06
27.4° 20.1°
0.06 mm
09-07
31.7° 20.6°
1.94 mm
09-08
25.7° 18.9°
7.19 mm
09-09
26.9° 20.4°
0.5 mm
09-10
33.2° 21.4°
6.38 mm
09-11
28.4° 19.6°
1.31 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Nagaoka?

57
Jooka, Nagaoka, Niigata, Japan (城岡自排長岡市)
2.4 km PM2.5: 15.0 µg/m³

What cities are near Nagaoka?

25 Mitsuke 25 Tochio-honchō 26 Ojiya 40 Sanjō 42 Tsubame 57 Uonuma 42 Yoshida-kasugachō 31 Kashiwazaki 42 Kamo 46 Maki
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T10:27 UTC.