Hongo, Niihama, Ehime, Japan (中村新居浜市) Air Quality
Monitoring Station
· Niihama, Japan
21
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
11
2am
21
11
11
5am
11
11
11
8am
18
38
38
11am
38
38
38
2pm
38
38
—
5pm
—
—
—
8pm
—
—
—
11pm
—
—
Station readings
21
CAMS model
adj -16
27
27
27
27
27
27
27
34
54
54
54
54
54
54
54
Air Quality Forecast (24h)
PM2.55.0 µg/m³
✓ WHO
Good
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53
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29
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T05:25 UTC.