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
11pm
4
21
4
2am
4
4
4
5am
4
4
4
8am
11
31
31
11am
31
31
—
2pm
—
—
—
5pm
—
—
—
8pm
—
—
Station readings
21
CAMS model
adj -23
34
27
27
27
27
27
27
27
27
27
34
54
54
54
54
Air Quality Forecast (24h)
PM2.55.0 µg/m³
✓ WHO
Good
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31
Hongo, Niihama, Ehime, Japan (中村新居浜市)
48
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34
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:21 UTC.