Air Quality in Ōmihachiman, Japan

Cloudy
18.3°C · 77.7% humidity
18.3°
Feels 18.3°
12
Good
Air quality is satisfactory. Enjoy outdoor activities.
5 stations

Nearby Monitoring Stations

AQI Forecast
27 5am
34
34
12 8am
18
14
17 11am
19
21
22 2pm
23
23
24 5pm
24
24
27 8pm
27
34
34 11pm
54
54
54 2am
54
54
AD 728×90

Air Quality Index Trend

48h · 1 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.

77.7%
Humidity
17.3 km/h
Wind NE
1015.4 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
12
3.03 µg/m³
PM10▲
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Ōmihachiman?

Temperature & Precipitation

PM2.5 Trend

48h · 1 station
PM2.53.03 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX6.9
High
AD 300×250
Station readings (5 stations within 25 km)
3.03
Median
3.04
Average
1.2
Low
4.6
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +4.1

What is the 7-day forecast for Ōmihachiman?

06-08
24.4° 16.1°
0.44 mm
06-09
20.9° 18.3°
1.44 mm
06-10
21.3° 16.6°
13.31 mm
06-11
22.8° 18.4°
06-12
21.0° 18.9°
0.69 mm
06-13
26.0° 18.9°
0.06 mm
06-14
23.5° 19.0°
0.38 mm
Both models agree Avg diff: 2.0°C

Where are air quality stations near Ōmihachiman?

42
Kasugacho, Higashiomi, Shiga, Japan (東近江東近江市)
10.0 km PM2.5: 10.1 µg/m³
22
Kasugacho, Higashiomi, Shiga, Japan (東近江東近江市)
10.0 km PM2.5: 5.3 µg/m³
13
Moriyama, Moriyama, Shiga, Japan (守山守山市)
12.5 km PM2.5: 3.1 µg/m³
21
Honkatata, Otsu, Shiga, Japan (堅田大津市)
16.3 km PM2.5: 5.0 µg/m³
45
Honkatata, Otsu, Shiga, Japan (堅田大津市)
16.3 km PM2.5: 10.8 µg/m³
5
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
17.9 km PM2.5: 1.2 µg/m³
25
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
17.9 km PM2.5: 6.0 µg/m³
21
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
17.9 km PM2.5: 5.0 µg/m³
17
Kusatsucho, Kusatsu, Shiga, Japan (草津草津市)
18.2 km PM2.5: 4.1 µg/m³
17
Nishiimacho, Hikone, Shiga, Japan (彦根彦根市)
18.9 km PM2.5: 4.1 µg/m³

What cities are near Ōmihachiman?

18 Yasu 12 Youkaichi 10 Echigawa 18 Moriyama 19 Rittō 16 Konan 15 Kitahama 17 Kusatsu 14 Kōka 14 Minakuchichō-matoba
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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 2026-06-08T23:18 UTC.