Air Quality in Kusatsu, Japan

Overcast
24.5°C · 96.0% humidity
24.5°
Feels 24.5°
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
19 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
35 5am
35
35
42 8am
34
22
18 11am
15
13
12 2pm
18
17
16 5pm
16
16
15 8pm
15
15
15 11pm
15
35
35 2am
35
35
Station readings
8
AD 728×90

Air Quality Index Trend

47h · 25 stn

Kusatsu'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.

96.0%
Humidity
33.5 km/h
Wind ESE
999.4 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
42
10.22 µg/m³
PM10
31
34.3 µg/m³
050100150200300500

What is the weather forecast for Kusatsu?

Temperature & Precipitation

PM2.5 Trend

47h · 25 stations
PM2.510.22 µg/m³ ✓ WHO
Good
PM1034.3 µg/m³
Good
UV INDEX2.9
Moderate
AD 300×250
Station readings (19 stations within 25 km)
10.22
Median
18.43
Average
8.4
Low
33.0
High
PM2.5 µg/m³ · Model: 13.5 · Bias: +3.3
Both models agree Avg diff: 2.6°C

Where are air quality stations near Kusatsu?

68
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
0.7 km PM2.5: 20.2 µg/m³
61
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
0.7 km PM2.5: 16.9 µg/m³
63
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
0.7 km PM2.5: 17.8 µg/m³
65
Kusatsucho, Kusatsu, Shiga, Japan (草津草津市)
1.3 km PM2.5: 18.8 µg/m³
46
Moriyama, Moriyama, Shiga, Japan (守山守山市)
5.5 km PM2.5: 11.0 µg/m³
25
Ishiyamadera, Otsu, Shiga, Japan (石山大津市)
8.6 km PM2.5: 6.0 µg/m³
40
Ishiyamadera, Otsu, Shiga, Japan (石山大津市)
8.6 km PM2.5: 9.6 µg/m³
38
Otowadai, Otsu, Shiga, Japan (逢坂大津市)
9.4 km PM2.5: 9.1 µg/m³
31
Honkatata, Otsu, Shiga, Japan (堅田大津市)
11.7 km PM2.5: 7.4 µg/m³
30
Honkatata, Otsu, Shiga, Japan (堅田大津市)
11.7 km PM2.5: 7.2 µg/m³

What cities are near Kusatsu?

60 Rittō 67 Moriyama 60 Ōtsu 64 Yasu 63 Konan 63 Ōmihachiman 64 Kitahama 68 Kōka 68 Minakuchichō-matoba 64 Kamigyō-ku
Get AQI alerts for Kusatsu

Notify me when air quality reaches:

Free · No account · Unsubscribe any time

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.