Air Quality in Yasu, Japan

Drizzle
18.1°C · 78.2% humidity
18.1°
Feels 18.1°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast
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Air Quality Index Trend

45h · 33 stn

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.

78.2%
Humidity
10.6 km/h
Wind E
1019.2 hPa
Pressure
0.0
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
37
8.91 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Yasu?

Temperature & Precipitation

PM2.5 Trend

45h · 33 stations
PM2.58.91 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.0
Low
Station readings (11 stations within 25 km)
8.91
Median
8.12
Average
2.6
Low
14.0
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -2.4

What is the 7-day forecast for Yasu?

10-21
19.0° 16.3°
0.69 mm
10-22
21.0° 17.6°
0.25 mm
10-23
19.4° 15.4°
0.06 mm
10-24
21.1° 15.7°
0.56 mm
10-25
19.0° 12.8°
5.87 mm
10-26
17.5° 13.2°
10-27
16.9° 14.2°
0.06 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Yasu?

50
Moriyama, Moriyama, Shiga, Japan (守山守山市)
5.1 km PM2.5: 12.0 µg/m³
55
Moriyama, Moriyama, Shiga, Japan (守山守山市)
5.1 km PM2.5: 14.0 µg/m³
34
Honkatata, Otsu, Shiga, Japan (堅田大津市)
9.1 km PM2.5: 8.2 µg/m³
17
Honkatata, Otsu, Shiga, Japan (堅田大津市)
9.1 km PM2.5: 4.1 µg/m³
17
Honkatata, Otsu, Shiga, Japan (堅田大津市)
9.1 km PM2.5: 4.1 µg/m³
11
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
11.1 km PM2.5: 2.6 µg/m³
38
Kusatsucho, Kusatsu, Shiga, Japan (草津草津市)
11.2 km PM2.5: 9.1 µg/m³
25
Kasugacho, Higashiomi, Shiga, Japan (東近江東近江市)
17.0 km PM2.5: 6.0 µg/m³
34
Kasugacho, Higashiomi, Shiga, Japan (東近江東近江市)
17.0 km PM2.5: 8.2 µg/m³
21
Kasugacho, Higashiomi, Shiga, Japan (東近江東近江市)
17.0 km PM2.5: 5.0 µg/m³

What cities are near Yasu?

50 Moriyama 32 Ōmihachiman 33 Rittō 18 Kusatsu 31 Kitahama 31 Konan 30 Youkaichi 36 Ōtsu 31 Echigawa 28 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 2026-10-21T06:02 UTC.