Air Quality in Shimo’ochiai, Japan

Drizzle
23.7°C · 83.6% humidity
23.7°
Feels 23.7°
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
42 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
70 7am
69
69
58 10am
62
64
66 1pm
67
68
69 4pm
68
68
68 7pm
69
69
69 10pm
70
70
132 1am
132
132
70 4am
70
70
Station readings
10
CAMS model adj -14
84
83
83
83
84
84
84
84
84
84
83
83
83
83
83
83
84
84
146
146
146
84
84
84
AD 728×90

Air Quality Index Trend

6h · 1 stn

Shimo’ochiai'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 Shimo’ochiai is 1.0× the WHO 24-hour guideline of 15 µg/m³.

83.6%
Humidity
54.5 km/h
Wind NNW
1002.6 hPa
Pressure
19.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5
58
15.56 µg/m³
PM10▲
63
79.9 µg/m³
050100150200300500

What is the weather forecast for Shimo’ochiai?

Temperature & Precipitation

PM2.5 Trend

6h · 1 station
PM2.515.56 µg/m³ ✓ WHO
Moderate
PM1079.9 µg/m³
Moderate
UV INDEX19.9
Extreme
AD 300×250
Station readings (42 stations within 25 km)
15.56
Median
17.78
Average
0.7
Low
27.0
High
PM2.5 µg/m³ · Model: 40.4 · Bias: +24.8

What is the 7-day forecast for Shimo’ochiai?

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
07-28
29.6° 26.3°
12.63 mm
Both models agree Avg diff: 2.9°C

Where are air quality stations near Shimo’ochiai?

74
Naitomachi, Shinjuku, Tokyo, Japan (国設新宿新宿区)
3.8 km PM2.5: 23.0 µg/m³
23
Yamatocho, Itabashi, Tokyo, Japan (中山道大和町板橋区)
4.3 km PM2.5: 5.5 µg/m³
70
Nerima (練馬区)
4.9 km PM2.5: 21.1 µg/m³
50
Wakamiya, Nakano, Tokyo, Japan (中野区若宮中野区)
5.0 km PM2.5: 12.0 µg/m³
22
Oji, Kita, Tokyo, Japan (北本通り王子北区)
5.9 km PM2.5: 5.3 µg/m³
84
Suginami, Izumi-3
6.7 km PM2.5: 27.6 µg/m³ PM10: 31.5 µg/m³
34
Hibiyakoen, Chiyoda, Tokyo, Japan (日比谷交差点千代田区)
7.5 km PM2.5: 8.2 µg/m³
7
Minowa, Taito, Tokyo, Japan (明治通り大関横丁台東区)
8.6 km PM2.5: 1.7 µg/m³
61
Minowa, Taito, Tokyo, Japan (明治通り大関横丁台東区)
8.6 km PM2.5: 16.9 µg/m³
68
Meguro (目黒)
8.8 km PM2.5: 20.2 µg/m³

What cities are near Shimo’ochiai?

60 Nagasaki 50 Ikebukuro 65 Ōkubo 45 Ōtsuka 25 Sugamo 70 Shinjuku 45 Itabashi 63 Nakano 67 Tokyo 69 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 2026-07-22T01:24 UTC.