Air Quality in Kōka, Japan

Cloudy
23.8°C · 80.7% humidity
23.8°
Feels 23.8°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
6 stations

Nearby Monitoring Stations

AQI Forecast
27 4pm
34
34
33 7pm
39
43
16 10pm
18
20
21 1am
22
23
23 4am
23
23
24 7am
24
24
34 10am
54
54
34 1pm
54
54
AD 728×90

Air Quality Index Trend

45h · 37 stn

Kōka'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.

80.7%
Humidity
28.4 km/h
Wind E
1006.6 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
33
7.94 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Kōka?

Temperature & Precipitation

PM2.5 Trend

45h · 37 stations
PM2.57.94 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (6 stations within 25 km)
7.94
Median
8.67
Average
3.4
Low
14.5
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +2.1

What is the 7-day forecast for Kōka?

09-05
29.6° 22.8°
3.56 mm
09-06
30.5° 22.9°
0.62 mm
09-07
27.1° 22.7°
3.62 mm
09-08
26.3° 21.9°
11.63 mm
09-09
26.6° 22.0°
1.0 mm
09-10
30.7° 20.9°
0.13 mm
09-11
29.2° 22.5°
1.06 mm
Both models agree Avg diff: 1.8°C

Where are air quality stations near Kōka?

21
Kasugacho, Higashiomi, Shiga, Japan (東近江東近江市)
14.6 km PM2.5: 5.0 µg/m³
20
Kasugacho, Higashiomi, Shiga, Japan (東近江東近江市)
14.6 km PM2.5: 4.8 µg/m³
34
Takakaichokita, Omihachiman, Shiga, Japan (国道１号八幡市)
17.2 km PM2.5: 8.2 µg/m³
10
Moriyama, Moriyama, Shiga, Japan (守山守山市)
18.2 km PM2.5: 2.4 µg/m³
14
Kusatsu, Kusatsu, Shiga, Japan (自排草津草津市)
18.3 km PM2.5: 3.4 µg/m³
56
Kusatsucho, Kusatsu, Shiga, Japan (草津草津市)
19.1 km PM2.5: 14.5 µg/m³
46
Ishiyamadera, Otsu, Shiga, Japan (石山大津市)
22.8 km PM2.5: 11.0 µg/m³
42
Midorigaoka Honmachi, Iga, Mie, Japan (伊賀緑ヶ丘中学校伊賀市)
24.6 km PM2.5: 10.1 µg/m³
12
Honkatata, Otsu, Shiga, Japan (堅田大津市)
26.3 km PM2.5: 2.9 µg/m³
27
Kitaokawara, Kyoto Prefecture, Japan (南山城相楽郡南山城村)
26.7 km PM2.5: 6.5 µg/m³

What cities are near Kōka?

34 Minakuchichō-matoba 30 Konan 24 Hino 32 Rittō 20 Youkaichi 34 Ōmihachiman 24 Kusatsu 29 Yasu 31 Moriyama 25 Echigawa
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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 2026-09-05T10:26 UTC.