Air Quality in Ōtsuki, Japan

Drizzle
20.3°C · 93.7% humidity
20.3°
Feels 20.3°
63
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
3 stations

Nearby Monitoring Stations

AQI Forecast
27 7am
27
27
63 10am
53
45
40 1pm
36
41
39 4pm
37
37
56 7pm
55
55
55 10pm
54
34
34 1am
27
27
27 4am
27
27
AD 728×90

Air Quality Index Trend

47h · 3 stn

Ōtsuki'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 Ōtsuki is 1.2× the WHO 24-hour guideline of 15 µg/m³.

93.7%
Humidity
8.4 km/h
Wind SE
1004.0 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
63
17.91 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Ōtsuki?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations
PM2.517.91 µg/m³ ×1.2 WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX19.9
Extreme
AD 300×250
Station readings (3 stations within 25 km)
17.91
Median
18.87
Average
17.8
Low
21.0
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -11.7

What is the 7-day forecast for Ōtsuki?

07-22
21.4° 19.2°
6.63 mm
07-23
20.7° 15.5°
3.31 mm
07-24
21.5° 19.4°
9.81 mm
07-25
26.2° 17.3°
3.31 mm
07-26
27.4° 15.7°
0.88 mm
07-27
24.3° 18.3°
3.63 mm
07-28
26.6° 19.6°
4.44 mm
Both models agree Avg diff: 3.2°C

Where are air quality stations near Ōtsuki?

17
Otsukimachi Hanasaki, Otsuki, Yamanashi, Japan (大月大月市)
3.8 km PM2.5: 4.1 µg/m³
70
檜原測定所
19.9 km 87.1% RH PM2.5: 21.0 µg/m³ PM10: 27.0 µg/m³
20
Kamiyoshida, Fujiyoshida, Yamanashi, Japan (吉田富士吉田市)
21.9 km PM2.5: 4.8 µg/m³
34
Kamiyoshida, Fujiyoshida, Yamanashi, Japan (吉田富士吉田市)
21.9 km PM2.5: 8.2 µg/m³
16
Enzankamishiogo, Koshu, Yamanashi, Japan (東山梨甲州市)
25.4 km PM2.5: 3.8 µg/m³

What cities are near Ōtsuki?

63 Tsuru 65 Uenohara 65 Kōshū 66 Enzan 41 Sagamihara 70 Itsukaichi 63 Fujiyoshida 66 Yamanashi 69 Akiruno 68 Iwai
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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 2026-07-22T01:18 UTC.