Hongo, Niihama, Ehime, Japan (中村新居浜市) Air Quality
Monitoring Station
· Niihama, Japan
29
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
29
10pm
60
60
60
1am
60
60
60
4am
60
60
60
7am
60
40
40
10am
40
—
—
1pm
—
—
—
4pm
—
—
—
7pm
—
—
CAMS model
adj +6
34
54
54
54
54
54
54
54
54
54
54
34
34
34
Air Quality Forecast (24h)
PM2.57.0 µg/m³
✓ WHO
Good
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65
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32
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30
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-22T01:23 UTC.