Air Quality in Kōshū, Japan

Partly Cloudy
16.1°C · 68.8% humidity
16.1°
Feels 16.1°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
34 3am
27
27
31 6am
27
27
27 9am
25
25
25 12pm
25
25
25 3pm
25
27
27 6pm
34
54
54 9pm
54
54
54 12am
54
54
AD 728×90

Air Quality Index Trend

47h · 10 stn

Kōshū'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.

68.8%
Humidity
17.6 km/h
Wind SSW
1016.3 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
31
7.35 µg/m³
PM10
25
27.4 µg/m³
050100150200300500

What is the weather forecast for Kōshū?

Temperature & Precipitation

PM2.5 Trend

47h · 10 stations
PM2.57.35 µg/m³ ✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

What is the 7-day forecast for Kōshū?

05-29
18.6° 12.8°
13.37 mm
05-30
17.1° 10.9°
1.37 mm
05-31
20.4° 12.1°
0.13 mm
06-01
18.9° 12.5°
1.38 mm
06-02
18.7° 11.1°
4.44 mm
06-03
21.8° 13.2°
3.81 mm
06-04
20.7° 8.7°
0.56 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Kōshū?

55
Enzankamishiogo, Koshu, Yamanashi, Japan (東山梨甲州市)
5.7 km PM2.5: 14.0 µg/m³
9
Otsukimachi Hanasaki, Otsuki, Yamanashi, Japan (大月大月市)
19.6 km PM2.5: 2.2 µg/m³
44
Kokubo, Kofu, Yamanashi, Japan (国母自排甲府市)
21.6 km PM2.5: 10.6 µg/m³

What cities are near Kōshū?

52 Enzan 52 Yamanashi 52 Isawa 52 Fuefuki 52 Kofu 25 Ōtsuki 33 Tsuru 52 Shōwa 52 Kai 52 Ryūō
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-29T21:09 UTC.