Air Quality in Yamanashi, Japan

Cloudy
24.2°C · 85.0% humidity
24.2°
Feels 24.2°
59
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
1 station

Nearby Monitoring Stations

AQI Forecast
27 9am
27
27
59 12pm
50
43
46 3pm
42
40
38 6pm
57
56
56 9pm
55
55
35 12am
34
27
27 3am
27
27
27 6am
27
27
AD 728×90

Air Quality Index Trend

47h · 3 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
24.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
59
15.9 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Yamanashi?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.515.9 µg/m³ ×1.1 WHO
Moderate
PM1020.55 µg/m³
Good
UV INDEX24.9
Extreme
AD 300×250
Station readings (1 station within 25 km)
15.9
Median
15.9
Average
15.9
Low
15.9
High
PM2.5 µg/m³ · Model: 10.0 · Bias: -5.9

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?

9
Enzankamishiogo, Koshu, Yamanashi, Japan (東山梨甲州市)
3.8 km PM2.5: 2.2 µg/m³
30
Kokubo, Kofu, Yamanashi, Japan (国母自排甲府市)
13.3 km PM2.5: 7.2 µg/m³
21
Otsukimachi Hanasaki, Otsuki, Yamanashi, Japan (大月大月市)
22.4 km PM2.5: 5.0 µg/m³
13
Kamiyoshida, Fujiyoshida, Yamanashi, Japan (吉田富士吉田市)
23.2 km PM2.5: 3.1 µg/m³
25
Kamiyoshida, Fujiyoshida, Yamanashi, Japan (吉田富士吉田市)
23.2 km PM2.5: 6.0 µg/m³

What cities are near Yamanashi?

59 Enzan 59 Isawa 59 Fuefuki 59 Kōshū 59 Kofu 59 Shōwa 59 Kai 59 Ryūō 59 Chūō 59 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 2026-07-22T03:17 UTC.