What is the air quality in Yachi today?

The current Air Quality Index (AQI) in Yachi is 46 (Good). PM2.5 concentration is 11.11 µg/m³.

What is the temperature in Yachi right now?

The current temperature in Yachi is 18.8°C (feels like 18.8°C). Humidity is 99.4% and wind speed is 12.7 km/h.

Is it safe to go outside in Yachi?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 9.4 (Very High).

Air Quality in Yachi, Japan

Heavy Rain

18.8°C · 99.4% humidity

18.8°

Feels 18.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Calibrated model

Nearby Monitoring Stations

AQI Forecast

24 6am

46 9am

32 12pm

28 3pm

25 6pm

24 9pm

25 12am

24 3am

Air Quality Index Trend

43h · 6 stn

View full history →

Yachi'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.

99.4%

Humidity

12.7 km/h

Wind S

1005.2 hPa

Pressure

9.4

UV Very High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

11.11 µg/m³

PM10

20.55 µg/m³

050100150200300500

What is the weather forecast for Yachi?

Temperature & Precipitation

PM2.5 Trend

43h · 6 stations

PM2.511.11 µg/m³ ✓ WHO

Good

PM1020.55 µg/m³

Good

UV INDEX9.4

Very High

What is the 7-day forecast for Yachi?

07-22

22.6° 18.8°

36.44 mm

07-23

24.2° 16.9°

0.31 mm

07-24

26.2° 20.7°

0.94 mm

07-25

29.3° 16.6°

5.19 mm

07-26

25.6° 16.1°

0.5 mm

07-27

28.2° 18.9°

3.5 mm

07-28

25.8° 20.6°

8.0 mm

Both models agree Avg diff: 2.7°C

What cities are near Yachi?

47 Sagae 45 Higashine 46 Tendō 45 Murayama 47 Yamagata 40 Obanazawa 50 Kaminoyama 29 Shinjō 29 Nagai 40 Nanyō

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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 2026-07-22T00:21 UTC.