Air Quality in Yotsuya, Japan
Drizzle
23.7°C · 83.6% humidity
23.7°
Feels 23.7°
53
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
43 stations
Nearby Monitoring Stations
AQI Forecast
Calibrated
87
5am
149
87
53
8am
62
69
75
11am
78
81
83
2pm
84
85
84
5pm
85
85
85
8pm
86
86
87
11pm
87
149
149
2am
149
87
Station readings
10
CAMS model
adj +3
84
146
84
83
83
83
84
84
84
84
84
84
83
83
83
83
83
83
84
84
146
146
146
84
Air Quality Index Trend
6h · 1 stnYotsuya'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.
83.6%
Humidity
54.5 km/h
Wind NNW
1002.6 hPa
Pressure
9.4
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
12.89 µg/m³
PM10▲
79.9 µg/m³
050100150200300500
What is the weather forecast for Yotsuya?
Temperature & Precipitation
PM2.5 Trend
6h · 1 stationPM2.512.89 µg/m³
✓ WHO
Moderate
PM1079.9 µg/m³
Moderate
UV INDEX9.4
Very High
Station readings (43 stations within 25 km)
12.89
Median
15.07
Average
1.9
Low
23.0
High
PM2.5 µg/m³ · Model: 27.55 · Bias: +14.7
What is the 7-day forecast for Yotsuya?
07-21
33.4° 22.1°
14.19 mm
07-22
30.2° 23.7°
3.0 mm
07-23
27.8° 22.1°
0.56 mm
07-24
29.8° 23.6°
1.56 mm
07-25
32.9° 23.6°
07-26
30.3° 26.1°
0.13 mm
07-27
33.3° 24.9°
9.94 mm
Both models agree
Avg diff: 2.9°C
Where are air quality stations near Yotsuya?
61
Naitomachi, Shinjuku, Tokyo, Japan (国設新宿新宿区)
76
Hibiyakoen, Chiyoda, Tokyo, Japan (日比谷交差点千代田区)
–
Takanawa, Minato-ku, Tōkyō-to, Japan (港区高輪港区)
27
Takanawa, Minato-ku, Tōkyō-to, Japan (港区高輪港区)
63
Meguro (目黒)
72
Meguro (目黒)
61
Meguro (目黒)
84
Suginami, Izumi-3
63
Shinkawa, Chuo, Tokyo, Japan (永代通り新川中央区)
27
Takanawa, Minato, Tokyo, Japan (第一京浜高輪港区)
What cities are near Yotsuya?
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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 2026-07-21T23:17 UTC.