Air Quality in Isumi, Japan
Overcast
21.6°C · 95.7% humidity
21.6°
Feels 21.6°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Isumi's air quality — share it
AQI Forecast
Calibrated
19
1pm
19
19
26
4pm
24
23
20
7pm
19
18
20
10pm
20
19
19
1am
19
19
19
4am
19
19
19
7am
19
19
19
10am
26
19
CAMS model
adj -8
27
27
27
27
27
27
25
25
25
27
27
27
27
27
27
27
27
27
27
27
27
27
34
27
Air Quality Index Trend
45h · 24 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.
95.7%
Humidity
26.9 km/h
Wind N
1009.2 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.25 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Isumi?
Temperature & Precipitation
PM2.5 Trend
45h · 24 stationsPM2.56.25 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
What is the 7-day forecast for Isumi?
08-03
26.8° 21.6°
9.06 mm
08-04
29.0° 22.1°
0.31 mm
08-05
27.6° 24.5°
1.06 mm
08-06
27.6° 24.0°
11.25 mm
08-07
29.9° 24.9°
9.69 mm
08-08
28.2° 25.9°
17.56 mm
08-09
31.0° 21.5°
0.5 mm
Both models agree
Avg diff: 2.1°C
Where are air quality stations near Isumi?
21
Takashi, Mobara, Chiba Prefecture, Japan (茂原高師茂原市)
25
Takashi, Mobara, Chiba Prefecture, Japan (茂原高師茂原市)
21
Takashi, Mobara, Chiba Prefecture, Japan (茂原高師茂原市)
What cities are near Isumi?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T07:24 UTC.