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
AD 728×90

Air Quality Index Trend

48h · 2 stn

Yamanashi'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▲
60
16.17 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Yamanashi?

Temperature & Precipitation

PM2.5 Trend

48h · 2 stations
PM2.516.17 µg/m³ ×1.1 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
AD 300×250
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)
3.8 km PM2.5: 3.8 µg/m³
11
Kokubo, Kofu, Yamanashi, Japan (国母自排甲府市)
13.3 km PM2.5: 2.6 µg/m³
22
Otsukimachi Hanasaki, Otsuki, Yamanashi, Japan (大月大月市)
22.4 km PM2.5: 5.3 µg/m³
22
Kamiyoshida, Fujiyoshida, Yamanashi, Japan (吉田富士吉田市)
23.2 km PM2.5: 5.3 µg/m³
11
Kamiyoshida, Fujiyoshida, Yamanashi, Japan (吉田富士吉田市)
23.2 km PM2.5: 2.6 µg/m³

What cities are near Yamanashi?

58 Enzan 71 Isawa 72 Fuefuki 60 Kōshū 79 Kofu 80 Shōwa 78 Kai 79 Ryūō 79 Chūō 58 Fujikawaguchiko
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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.