What is the air quality in Yasu today?

The current Air Quality Index (AQI) in Yasu is 29 (Good). PM2.5 concentration is 7.0 µg/m³.

What is the temperature in Yasu right now?

The current temperature in Yasu is 24.7°C (feels like 24.7°C). Humidity is 75.2% and wind speed is 11.1 km/h.

Is it safe to go outside in Yasu?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Yasu, Japan

Cloudy

24.7°C · 75.2% humidity

24.7°

Feels 24.7°

Good

Air quality is satisfactory. Enjoy outdoor activities.

9 stations

Nearby Monitoring Stations

AQI Forecast

27 4pm

29 7pm

24 10pm

24 1am

24 4am

24 7am

54 10am

54 1pm

Air Quality Index Trend

45h · 31 stn

View full history →

Yasu'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.

75.2%

Humidity

11.1 km/h

Wind ESE

1006.8 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

7.0 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Yasu?

Temperature & Precipitation

PM2.5 Trend

45h · 31 stations

PM2.57.0 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (9 stations within 25 km)

7.0

Median

7.67

Average

2.9

Low

14.5

High

PM2.5 µg/m³ · Model: 6.25 · Bias: -0.8

What is the 7-day forecast for Yasu?

09-05

27.0° 23.3°

6.38 mm

09-06

27.6° 22.3°

2.0 mm

09-07

26.3° 22.7°

4.75 mm

09-08

26.8° 22.0°

4.13 mm

09-09

27.2° 23.1°

1.5 mm

09-10

29.3° 22.3°

0.38 mm

09-11

27.0° 22.7°

1.25 mm

Both models agree Avg diff: 1.6°C

Where are air quality stations near Yasu?

Moriyama, Moriyama, Shiga, Japan (守山守山市)

5.1 km PM2.5: 2.4 µg/m³

Takakaichokita, Omihachiman, Shiga, Japan (国道１号八幡市)

8.8 km PM2.5: 8.2 µg/m³

Honkatata, Otsu, Shiga, Japan (堅田大津市)

9.1 km PM2.5: 2.9 µg/m³

Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)

11.1 km PM2.5: 3.4 µg/m³

Kusatsucho, Kusatsu, Shiga, Japan (草津草津市)

11.2 km PM2.5: 14.5 µg/m³

Kasugacho, Higashiomi, Shiga, Japan (東近江東近江市)

17.0 km PM2.5: 5.0 µg/m³

Kasugacho, Higashiomi, Shiga, Japan (東近江東近江市)

17.0 km PM2.5: 4.8 µg/m³

Otowadai, Otsu, Shiga, Japan (逢坂大津市)

17.7 km PM2.5: 3.1 µg/m³

Ishiyamadera, Otsu, Shiga, Japan (石山大津市)

18.9 km PM2.5: 11.0 µg/m³

Nagitsuji Ikejiricho, Kyoto Prefecture, Japan (自排山科京都市山科区)

23.4 km PM2.5: 10.1 µg/m³

What cities are near Yasu?

31 Moriyama 34 Ōmihachiman 32 Rittō 24 Kusatsu 21 Kitahama 30 Konan 20 Youkaichi 13 Ōtsu 25 Echigawa 33 Kōka

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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 2026-09-05T10:58 UTC.