Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
Monitoring Station
· Chichibu, Japan
42
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
33
3am
42
35
35
6am
35
35
42
9am
62
62
62
12pm
91
91
91
3pm
91
92
—
6pm
—
—
—
9pm
—
—
—
12am
—
—
Station readings
42
CAMS model
adj +8
25
27
27
27
27
27
34
54
54
54
83
83
83
83
84
Air Quality Trend (24h)
PM2.510.1 µg/m³
✓ WHO
Good
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17
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46
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46
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38
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42
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Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-17T06:36 UTC.