What is the air quality in Sakaki today?

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

What is the temperature in Sakaki right now?

The current temperature in Sakaki is 13.4°C (feels like 13.4°C). Humidity is 69.8% and wind speed is 35.3 km/h.

Is it safe to go outside in Sakaki?

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

Air Quality in Sakaki, Japan

Partly Cloudy

13.4°C · 69.8% humidity

13.4°

Feels 13.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

45h · 8 stn

View full history →

Sakaki'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.

69.8%

Humidity

35.3 km/h

Wind SE

1019.4 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 Sakaki?

Temperature & Precipitation

PM2.5 Trend

45h · 8 stations

PM2.58.2 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

8.2

Median

8.2

Average

8.2

Low

8.2

High

PM2.5 µg/m³ · Model: 5.8 · Bias: -2.4

What is the 7-day forecast for Sakaki?

10-21

13.4° 8.6°

10-22

19.7° 11.5°

0.19 mm

10-23

17.1° 7.0°

10-24

16.1° 11.1°

0.19 mm

10-25

15.5° 4.4°

1.25 mm

10-26

15.1° 4.1°

10-27

12.8° 6.0°

0.13 mm

Both models agree Avg diff: 4.0°C

Where are air quality stations near Sakaki?

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

9.6 km PM2.5: 10.1 µg/m³

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

18.8 km PM2.5: 12.0 µg/m³

Nagano (長野)

20.2 km PM2.5: 12.0 µg/m³

Nagano (長野)

20.2 km PM2.5: 8.2 µg/m³

What cities are near Sakaki?

34 Chikuma 43 Ueda 55 Kamimaruko 43 Tōmi 34 Nagano 32 Suzaka 43 Komoro 24 Ōmachi 24 Hotaka 24 Toyoshina

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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 2026-10-21T08:29 UTC.