Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村) Air Quality
Monitoring Station
· Chichibu, Japan
52
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
42
6pm
52
42
42
9pm
42
42
42
12am
42
42
42
3am
42
42
49
6am
49
—
—
9am
—
—
—
12pm
—
—
—
3pm
—
—
Station readings
52
CAMS model
adj +15
27
27
27
27
27
27
27
27
27
27
27
27
34
34
Air Quality Forecast (24h)
PM2.512.6 µg/m³
✓ WHO
Moderate
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T21:09 UTC.