Air Quality in Shimo’ochiai, Japan

Partly Cloudy
24.9°C · 69.1% humidity
24.9°
Feels 24.9°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
46 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
26 8pm
9
0
27 11pm
21
15
11 2am
8
6
4 5am
3
2
1 8am
1
10
10 11am
0
0
0 2pm
0
0
0 5pm
0
0
Station readings
5
7
9
1
CAMS model adj -57
83
66
54
54
54
54
34
34
34
34
54
54
54
54
66
66
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

24h · 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 1.3× the WHO annual guideline of 5 µg/m³.

69.1%
Humidity
19.9 km/h
Wind NNE
1003.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
27
6.49 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

What is the weather forecast for Shimo’ochiai?

Temperature & Precipitation

PM2.5 Trend

24h · 1 station
PM2.56.49 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (46 stations within 25 km)
6.49
Median
6.46
Average
1.39
Low
14.0
High
PM2.5 µg/m³ · Model: 10.0 · Bias: +3.5

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

05-29
24.9° 19.9°
0.06 mm
05-30
24.8° 19.7°
0.44 mm
05-31
27.1° 20.3°
06-01
28.2° 21.4°
06-02
27.4° 20.8°
0.06 mm
06-03
28.1° 23.1°
0.06 mm
06-04
26.5° 18.8°
Both models agree Avg diff: 3.0°C

Where are air quality stations near Shimo’ochiai?

63
Naitomachi, Shinjuku, Tokyo, Japan (国設新宿新宿区)
3.8 km PM2.5: 17.8 µg/m³
68
Yamatocho, Itabashi, Tokyo, Japan (中山道大和町板橋区)
4.3 km PM2.5: 20.2 µg/m³
21
Nerima (練馬区)
4.9 km PM2.5: 5.0 µg/m³
54
Wakamiya, Nakano, Tokyo, Japan (中野区若宮中野区)
5.0 km PM2.5: 13.5 µg/m³
69
Oji, Kita, Tokyo, Japan (北本通り王子北区)
5.9 km PM2.5: 20.7 µg/m³
1
Suginami, Izumi-3
6.7 km PM2.5: 0.3 µg/m³ PM10: 1.2 µg/m³
56
Hibiyakoen, Chiyoda, Tokyo, Japan (日比谷交差点千代田区)
7.5 km PM2.5: 14.5 µg/m³
53
Minowa, Taito, Tokyo, Japan (明治通り大関横丁台東区)
8.6 km PM2.5: 13.1 µg/m³
21
Minowa, Taito, Tokyo, Japan (明治通り大関横丁台東区)
8.6 km PM2.5: 5.0 µg/m³
13
Meguro (目黒)
8.8 km PM2.5: 3.1 µg/m³

What cities are near Shimo’ochiai?

28 Nagasaki 28 Ikebukuro 26 Ōkubo 28 Ōtsuka 28 Sugamo 28 Shinjuku 28 Itabashi 25 Nakano 25 Tokyo 29 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 2026-05-29T14:51 UTC.