Air Quality in Isumi, Japan
Cloudy
20.4°C · 75.9% humidity
20.4°
Feels 20.4°
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station
Nearby Monitoring Stations
Isumi's air quality — share it
AQI Forecast
Calibrated
9
8am
9
16
21
11am
40
39
38
2pm
37
37
37
5pm
36
36
48
8pm
48
36
36
11pm
36
36
36
2am
36
36
36
5am
36
36
Station readings
28h ago
AQI 16
PM2.5 3.8 µg/m³ · 28h ago
Air Quality Index Trend
47h · 12 stnIsumi'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.
75.9%
Humidity
10.2 km/h
Wind ESE
1016.1 hPa
Pressure
10.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
5.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Isumi?
Temperature & Precipitation
PM2.5 Trend
47h · 12 stationsPM2.55.0 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX10.9
Extreme
Station readings (1 station within 25 km)
5.0
Median
5.0
Average
5.0
Low
5.0
High
PM2.5 µg/m³ · Model: 7.0 · Bias: +2.0
What is the 7-day forecast for Isumi?
06-09
21.0° 19.9°
0.06 mm
06-10
24.0° 16.9°
0.88 mm
06-11
23.3° 18.6°
0.75 mm
06-12
24.3° 18.7°
1.81 mm
06-13
24.6° 18.5°
30.69 mm
06-14
25.0° 18.3°
55.31 mm
06-15
26.3° 20.2°
60.19 mm
Both models agree
Avg diff: 1.9°C
Where are air quality stations near Isumi?
21
Takashi, Mobara, Chiba Prefecture, Japan (茂原高師茂原市)
13
Takashi, Mobara, Chiba Prefecture, Japan (茂原高師茂原市)
13
Takashi, Mobara, Chiba Prefecture, Japan (茂原高師茂原市)
What cities are near Isumi?
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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 2026-06-09T02:11 UTC.