Air Quality in Sumida, Japan

Rain
23.6°C · 87.1% humidity
23.6°
Feels 23.6°
62
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
61 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
99 5am
99
98
62 8am
67
71
74 11am
76
94
95 2pm
96
97
97 5pm
80
81
81 8pm
81
81
81 11pm
81
98
98 2am
98
98
Station readings
10
CAMS model adj +15
84
84
83
66
66
66
66
66
83
83
83
83
83
66
66
66
66
66
66
66
83
83
83
83
AD 728×90

Air Quality Index Trend

6h · 1 stn

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

87.1%
Humidity
63.6 km/h
Wind NNW
1002.4 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
62
17.54 µg/m³
PM10
51
54.9 µg/m³
050100150200300500

What is the weather forecast for Sumida?

Temperature & Precipitation

PM2.5 Trend

6h · 1 station
PM2.517.54 µg/m³ ×1.2 WHO
Moderate
PM1054.9 µg/m³
Moderate
UV INDEX4.4
Moderate
AD 300×250
Station readings (61 stations within 25 km)
17.54
Median
14.76
Average
0.5
Low
24.0
High
PM2.5 µg/m³ · Model: 27.1 · Bias: +9.6

What is the 7-day forecast for Sumida?

07-21
32.3° 22.4°
10.81 mm
07-22
29.8° 23.6°
5.38 mm
07-23
28.0° 22.2°
0.75 mm
07-24
28.9° 24.4°
1.06 mm
07-25
31.9° 23.3°
0.06 mm
07-26
30.0° 24.7°
0.19 mm
07-27
32.5° 24.9°
6.06 mm
Both models agree Avg diff: 2.5°C

Where are air quality stations near Sumida?

61
Minowa, Taito, Tokyo, Japan (明治通り大関横丁台東区)
2.3 km PM2.5: 16.9 µg/m³
70
Minowa, Taito, Tokyo, Japan (明治通り大関横丁台東区)
2.3 km PM2.5: 21.1 µg/m³
80
スカイツリー１５０ｍ
2.7 km 90.8% RH PM2.5: 26.0 µg/m³ PM10: 43.0 µg/m³
70
スカイツリー３２５ｍ
2.7 km 78.8% RH PM2.5: 21.0 µg/m³ PM10: 36.0 µg/m³
26
Chūōhonchō, Adachi-ku, Tōkyō-to, Japan (日光街道梅島足立区)
4.6 km PM2.5: 6.2 µg/m³
11
Chūōhonchō, Adachi-ku, Tōkyō-to, Japan (日光街道梅島足立区)
4.6 km PM2.5: 2.6 µg/m³
59
Edogawa (江戸川区)
5.2 km PM2.5: 15.9 µg/m³
53
Ojima, Koto, Tokyo, Japan (江東区大島江東区)
5.3 km PM2.5: 13.1 µg/m³
63
Ojima, Koto, Tokyo, Japan (江東区大島江東区)
5.3 km PM2.5: 17.8 µg/m³
70
Koto (江東区)
6.7 km PM2.5: 21.1 µg/m³

What cities are near Sumida?

61 Horikiri 63 Katsushika 66 Asakusa 60 Hirai 63 Aoto 59 Adachi 62 Arakawa 60 Machiya 58 Aoi 60 Nishinippori
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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 2026-07-21T23:15 UTC.