What is the air quality in Nagaoka today?

The current Air Quality Index (AQI) in Nagaoka is 34 (Good). PM2.5 concentration is 8.2 µg/m³.

What is the temperature in Nagaoka right now?

The current temperature in Nagaoka is 19.6°C (feels like 19.6°C). Humidity is 60.7% and wind speed is 61.8 km/h.

Is it safe to go outside in Nagaoka?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Nagaoka, Japan

Windy

19.6°C · 60.7% humidity

19.6°

Feels 19.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

— 1pm

—

— 4pm

—

— 7pm

—

— 10pm

—

— 1am

—

— 4am

—

— 7am

—

— 10am

—

Air Quality Index Trend

46h · 3 stn

View full history →

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.

60.7%

Humidity

61.8 km/h

Wind S

1017.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.2 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Nagaoka?

Temperature & Precipitation

PM2.5 Trend

46h · 3 stations

PM2.58.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

What is the 7-day forecast for Nagaoka?

10-21

19.6° 12.2°

10-22

20.0° 14.9°

1.63 mm

10-23

18.3° 9.7°

5.87 mm

10-24

15.1° 14.0°

8.38 mm

10-25

17.8° 13.0°

1.19 mm

10-26

18.2° 10.0°

0.06 mm

10-27

16.1° 12.5°

0.69 mm

Both models agree Avg diff: 3.2°C

Where are air quality stations near Nagaoka?

Jooka, Nagaoka, Niigata, Japan (城岡自排長岡市)

2.4 km PM2.5: 12.0 µg/m³

What cities are near Nagaoka?

32 Mitsuke 41 Tochio-honchō 37 Ojiya 42 Sanjō 42 Tsubame 17 Uonuma 42 Yoshida-kasugachō 32 Kashiwazaki 42 Kamo 42 Maki

Get AQI alerts for Nagaoka

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-10-21T07:41 UTC.