Air Quality in Sumida, Japan

Partly Cloudy
20.1°C · 57.0% humidity
20.1°
Feels 20.1°
36
Good
Air quality is satisfactory. Enjoy outdoor activities.
68 stations

Nearby Monitoring Stations

AQI Forecast Calibrated
10 3am
10
10
36 6am
29
23
40 9am
37
35
34 12pm
33
32
31 3pm
31
31
30 6pm
30
30
30 9pm
30
30
30 12am
30
30
Station readings
10
18
CAMS model adj -24
34
34
34
34
34
34
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
54
AD 728×90

Air Quality Index Trend

25h · 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.

57.0%
Humidity
33.6 km/h
Wind E
1017.4 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
PM2.5
36
8.64 µg/m³
PM10
19
20.55 µg/m³
050100150200300500

Temperature & Precipitation

PM2.5 Trend

25h · 1 station
PM2.58.64 µg/m³ ✓ WHO
Good
PM1020.55 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
8.64
Median
7.72
Average
1.7
Low
23.0
High
PM2.5 µg/m³ · Model: 8.2 · Bias: -0.4
05-29
24.8° 20.0°
05-30
24.6° 19.9°
0.94 mm
05-31
26.4° 20.6°
0.19 mm
06-01
27.3° 21.3°
06-02
26.6° 21.3°
06-03
27.7° 22.7°
0.06 mm
06-04
26.2° 19.4°
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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 2026-05-29T21:24 UTC.