Hongo, Niihama, Ehime, Japan (中村新居浜市) Air Quality
Monitoring Station
· Niihama, Japan
25
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
46
9pm
37
25
37
12am
66
66
49
3am
49
49
49
6am
37
37
37
9am
37
37
—
12pm
—
—
—
3pm
—
—
—
6pm
—
—
Station readings
46
25
CAMS model
adj -17
54
54
54
54
83
83
66
66
66
66
54
54
54
54
54
Air Quality Trend (24h)
PM2.56.0 µg/m³
✓ WHO
Good
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25
Hongo, Niihama, Ehime, Japan (中村新居浜市)
5
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46
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21
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Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:18 UTC.