Hongo, Niihama, Ehime, Japan (中村新居浜市) Air Quality
Monitoring Station
· Niihama, Japan
5
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
25
9pm
5
30
30
12am
59
59
42
3am
42
42
42
6am
30
30
30
9am
30
30
—
12pm
—
—
—
3pm
—
—
—
6pm
—
—
Station readings
25
5
CAMS model
adj -24
54
54
54
54
83
83
66
66
66
66
54
54
54
54
54
Air Quality Trend (24h)
PM2.51.2 µg/m³
✓ WHO
Good
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25
Hongo, Niihama, Ehime, Japan (中村新居浜市)
25
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46
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:17 UTC.