What is the air quality in Yonezawa today?

The current Air Quality Index (AQI) in Yonezawa is 38 (Good). PM2.5 concentration is 9.1 µg/m³.

What is the temperature in Yonezawa right now?

The current temperature in Yonezawa is 16.0°C (feels like 16.0°C). Humidity is 65.4% and wind speed is 49.1 km/h.

Is it safe to go outside in Yonezawa?

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

Air Quality in Yonezawa, Japan

Windy

16.0°C · 65.4% humidity

16.0°

Feels 16.0°

Good

Air quality is satisfactory. Enjoy outdoor activities.

1 station

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

26h · 1 stn

View full history →

Yonezawa'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.

65.4%

Humidity

49.1 km/h

Wind SE

1019.3 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

9.1 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Yonezawa?

Temperature & Precipitation

PM2.5 Trend

26h · 1 station

PM2.59.1 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (1 station within 25 km)

9.1

Median

9.1

Average

9.1

Low

9.1

High

PM2.5 µg/m³ · Model: 8.2 · Bias: -0.9

What is the 7-day forecast for Yonezawa?

10-21

16.0° 8.6°

10-22

18.8° 9.7°

0.81 mm

10-23

13.1° 5.5°

0.69 mm

10-24

14.0° 11.8°

3.69 mm

10-25

15.8° 6.7°

1.94 mm

10-26

15.0° 6.7°

0.06 mm

10-27

13.5° 8.3°

0.63 mm

Both models agree Avg diff: 3.7°C

Where are air quality stations near Yonezawa?

Koyacho, Nagai, Yamagata, Japan (長井高野長井市)

23.4 km PM2.5: 9.1 µg/m³

What cities are near Yonezawa?

38 Takahata 38 Nanyō 38 Nagai 38 Kaminoyama 48 Date 47 Fukushima 49 Kitakata 48 Hobaramachi 20 Yamagata 49 Yanagawamachi-saiwaichō

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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 2026-10-21T05:27 UTC.