Air Quality in Yamanashi, Japan

Drizzle
17.6°C · 74.7% humidity
17.6°
Feels 17.6°
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations

Nearby Monitoring Stations

AQI Forecast
27 11am
27
27
20 2pm
22
23
31 5pm
32
53
53 8pm
53
54
66 11pm
66
66
54 2am
54
54
54 5am
54
54
54 8am
34
27
AD 728×90

Air Quality Index Trend

47h · 8 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.

74.7%
Humidity
18.9 km/h
Wind SSW
1015.5 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
20
4.83 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Yamanashi?

Temperature & Precipitation

PM2.5 Trend

47h · 8 stations
PM2.54.83 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
AD 300×250
Station readings (4 stations within 25 km)
4.83
Median
7.07
Average
4.3
Low
9.6
High
PM2.5 µg/m³ · Model: 6.25 · Bias: +1.4

What is the 7-day forecast for Yamanashi?

06-09
17.6° 14.8°
0.94 mm
06-10
19.3° 11.6°
12.75 mm
06-11
19.8° 12.8°
2.44 mm
06-12
19.4° 12.6°
2.63 mm
06-13
26.0° 13.3°
0.69 mm
06-14
24.9° 13.1°
31.38 mm
06-15
22.9° 15.9°
9.19 mm
Both models agree Avg diff: 2.8°C

Where are air quality stations near Yamanashi?

25
Enzankamishiogo, Koshu, Yamanashi, Japan (東山梨甲州市)
3.8 km PM2.5: 6.0 µg/m³
14
Kokubo, Kofu, Yamanashi, Japan (国母自排甲府市)
13.3 km PM2.5: 3.4 µg/m³
11
Otsukimachi Hanasaki, Otsuki, Yamanashi, Japan (大月大月市)
22.4 km PM2.5: 2.6 µg/m³
21
Kamiyoshida, Fujiyoshida, Yamanashi, Japan (吉田富士吉田市)
23.2 km PM2.5: 5.0 µg/m³
36
Kamiyoshida, Fujiyoshida, Yamanashi, Japan (吉田富士吉田市)
23.2 km PM2.5: 8.6 µg/m³

What cities are near Yamanashi?

18 Enzan 32 Isawa 32 Fuefuki 21 Kōshū 39 Kofu 40 Shōwa 37 Kai 38 Ryūō 38 Chūō 25 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 2026-06-09T05:38 UTC.