What is the air quality in Yamagata today?

The current Air Quality Index (AQI) in Yamagata is 44 (Good). PM2.5 concentration is 10.61 µg/m³.

What is the temperature in Yamagata right now?

The current temperature in Yamagata is 19.3°C (feels like 19.3°C). Humidity is 99.3% and wind speed is 11.9 km/h.

Is it safe to go outside in Yamagata?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 4.4 (Moderate).

Air Quality in Yamagata, Japan

Heavy Rain

19.3°C · 99.3% humidity

19.3°

Feels 19.3°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

24 5am

44 8am

31 11am

27 2pm

25 5pm

24 8pm

25 11pm

24 2am

Air Quality Index Trend

41h · 2 stn

View full history →

Yamagata'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.

99.3%

Humidity

11.9 km/h

Wind N

1004.7 hPa

Pressure

4.4

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

10.61 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Yamagata?

Temperature & Precipitation

PM2.5 Trend

41h · 2 stations

PM2.510.61 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX4.4

Moderate

What is the 7-day forecast for Yamagata?

07-21

28.0° 19.3°

24.94 mm

07-22

23.0° 19.3°

36.44 mm

07-23

26.7° 17.3°

0.38 mm

07-24

27.1° 21.0°

1.13 mm

07-25

30.7° 16.6°

3.56 mm

07-26

27.4° 16.5°

0.87 mm

07-27

29.0° 20.2°

1.56 mm

Both models agree Avg diff: 2.9°C

What cities are near Yamagata?

48 Kaminoyama 44 Tendō 45 Sagae 45 Yachi 44 Higashine 44 Murayama 40 Takahata 40 Nanyō 40 Nagai 80 Shiroishi

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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 2026-07-21T23:16 UTC.