What is the air quality in Nakano today?

The current Air Quality Index (AQI) in Nakano is 47 (Good). PM2.5 concentration is 11.16 µg/m³.

What is the temperature in Nakano right now?

The current temperature in Nakano is 10.0°C (feels like 6.8°C). Humidity is 82.1% and wind speed is 26.0 km/h.

Is it safe to go outside in Nakano?

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

Air Quality in Nakano, Japan

Cloudy

10.0°C · 82.1% humidity

10.0°

Feels 6.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 4 stn

View full history →

Nakano'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.

82.1%

Humidity

26.0 km/h

Wind SE

1020.0 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

11.16 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Nakano?

Temperature & Precipitation

PM2.5 Trend

46h · 4 stations

PM2.511.16 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

11.16

Median

11.05

Average

10.1

Low

12.0

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -5.4

What is the 7-day forecast for Nakano?

10-21

11.9° 6.6°

10-22

15.4° 8.7°

0.75 mm

10-23

14.0° 5.7°

0.06 mm

10-24

10.0° 5.7°

1.31 mm

10-25

12.0° 1.8°

0.62 mm

10-26

10.7° 2.6°

10-27

8.8° 3.4°

0.38 mm

Both models agree Avg diff: 5.5°C

Where are air quality stations near Nakano?

Nagano (長野)

19.1 km PM2.5: 12.0 µg/m³

Amori, Nagano, Nagano, Japan (環境保全研究所長野市)

21.4 km PM2.5: 12.0 µg/m³

Shinonoifusetakada, Nagano, Nagano Prefecture, Japan (篠ノ井長野市)

27.8 km PM2.5: 6.0 µg/m³

Awasa, Chikuma, Nagano, Japan (更埴インターチェンジ千曲市)

32.1 km PM2.5: 10.1 µg/m³

What cities are near Nakano?

31 Iiyama 45 Suzaka 48 Nagano 32 Arai 32 Myoko 42 Chikuma 42 Sakaki 70 Ueda 64 Tōmi 33 Jōetsu

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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 2026-10-21T06:52 UTC.