Air Quality in Yamanashi, Japan
Cloudy
24.2°C · 85.0% humidity
24.2°
Feels 24.2°
60
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
8 stations
Nearby Monitoring Stations
AQI Forecast
27
12pm
27
27
60
3pm
53
47
44
6pm
61
59
58
9pm
57
56
35
12am
35
28
27
3am
27
27
27
6am
27
27
27
9am
34
34
Air Quality Index Trend
48h · 2 stnYamanashi'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. Current PM2.5 concentration in Yamanashi is 1.1× the WHO 24-hour guideline of 15 µg/m³.
85.0%
Humidity
28.5 km/h
Wind S
1001.9 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
16.17 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Yamanashi?
Temperature & Precipitation
PM2.5 Trend
48h · 2 stationsPM2.516.17 µg/m³
×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (8 stations within 25 km)
16.17
Median
20.0
Average
7.9
Low
36.7
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -8.8
What is the 7-day forecast for Yamanashi?
07-22
24.2° 18.9°
8.75 mm
07-23
22.6° 14.7°
2.31 mm
07-24
20.9° 20.0°
11.13 mm
07-25
26.1° 15.8°
5.31 mm
07-26
24.9° 16.0°
1.31 mm
07-27
24.8° 17.6°
3.94 mm
07-28
25.6° 19.5°
4.25 mm
Both models agree
Avg diff: 2.9°C
Where are air quality stations near Yamanashi?
16
Enzankamishiogo, Koshu, Yamanashi, Japan (東山梨甲州市)
11
Kokubo, Kofu, Yamanashi, Japan (国母自排甲府市)
22
Otsukimachi Hanasaki, Otsuki, Yamanashi, Japan (大月大月市)
22
Kamiyoshida, Fujiyoshida, Yamanashi, Japan (吉田富士吉田市)
11
Kamiyoshida, Fujiyoshida, Yamanashi, Japan (吉田富士吉田市)
What cities are near Yamanashi?
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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 2026-07-22T06:43 UTC.