Koihonmachi, Hiroshima Prefecture, Japan (庚午広島市西区) Air Quality
Monitoring Station
· Hiroshima, Japan
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
38
2am
38
26
26
5am
26
26
28
8am
28
28
28
11am
28
35
35
2pm
35
28
—
5pm
—
—
—
8pm
—
—
—
11pm
—
—
Station readings
38
38
CAMS model
adj +1
25
25
25
25
25
25
27
27
27
27
27
34
34
34
27
Air Quality Forecast (24h)
PM2.59.1 µg/m³
✓ WHO
Good
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13
Koihonmachi, Hiroshima Prefecture, Japan (庚午広島市西区)
11
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14
Koihonmachi, Hiroshima Prefecture, Japan (庚午広島市西区)
38
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15
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Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-10T05:53 UTC.