Air Quality in Ōmihachiman, Japan

Drizzle
21.8°C · 65.5% humidity
21.8°
Feels 21.8°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
11 stations

Nearby Monitoring Stations

AQI Forecast
34 10am
27
27
28 1pm
27
27
27 4pm
27
27
27 7pm
34
54
25 10pm
25
25
27 1am
27
27
27 4am
27
34
27 7am
27
27
AD 728×90

Air Quality Index Trend

47h · 42 stn

Ōmihachiman'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.

65.5%
Humidity
53.6 km/h
Wind SE
1013.2 hPa
Pressure
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
28
6.72 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ōmihachiman?

Temperature & Precipitation

PM2.5 Trend

47h · 42 stations
PM2.56.72 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (11 stations within 25 km)
6.72
Median
8.04
Average
3.8
Low
14.0
High
PM2.5 µg/m³ · Model: 7.35 · Bias: +0.6

What is the 7-day forecast for Ōmihachiman?

05-30
21.8° 16.8°
3.38 mm
05-31
22.5° 18.0°
06-01
23.7° 17.6°
06-02
22.5° 17.7°
0.06 mm
06-03
22.7° 17.5°
1.13 mm
06-04
23.1° 15.2°
1.25 mm
06-05
23.0° 17.1°
9.69 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Ōmihachiman?

21
Kasugacho, Higashiomi, Shiga, Japan (東近江東近江市)
10.0 km PM2.5: 5.0 µg/m³
30
Kasugacho, Higashiomi, Shiga, Japan (東近江東近江市)
10.0 km PM2.5: 7.2 µg/m³
51
Moriyama, Moriyama, Shiga, Japan (守山守山市)
12.5 km PM2.5: 12.1 µg/m³
74
Honkatata, Otsu, Shiga, Japan (堅田大津市)
16.3 km PM2.5: 23.0 µg/m³
50
Honkatata, Otsu, Shiga, Japan (堅田大津市)
16.3 km PM2.5: 12.0 µg/m³
30
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
17.9 km PM2.5: 7.2 µg/m³
46
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
17.9 km PM2.5: 11.0 µg/m³
10
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
17.9 km PM2.5: 2.4 µg/m³
43
Kusatsucho, Kusatsu, Shiga, Japan (草津草津市)
18.2 km PM2.5: 10.3 µg/m³
34
Nishiimacho, Hikone, Shiga, Japan (彦根彦根市)
18.9 km PM2.5: 8.2 µg/m³

What cities are near Ōmihachiman?

34 Yasu 50 Youkaichi 43 Echigawa 35 Moriyama 27 Rittō 28 Konan 40 Kitahama 22 Kusatsu 18 Kōka 16 Minakuchichō-matoba
Get AQI alerts for Ōmihachiman

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 2026-05-30T04:06 UTC.