Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村) Air Quality

Monitoring Station · Chichibu, Japan

18

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast Calibrated

1 9pm

13

1

18 12am

1

1

1 3am

1

1

3 6am

10

10

30 9am

30

30

— 12pm

—

—

— 3pm

—

—

— 6pm

—

—

Station readings

13

18

CAMS model adj -24

25

25

25

25

25

25

25

25

25

27

34

34

54

54

54

Air Quality Forecast (24h)

PM2.54.3 µg/m³ ✓ WHO

Good

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Nearby Monitoring Stations

Minano, Saitama-ken, Japan (皆野秩父郡皆野町)

8.9 km PM2.5: 17.8 µg/m³

Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)

9.3 km PM2.5: 13.1 µg/m³

Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)

9.3 km PM2.5: 7.0 µg/m³

Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)

14.9 km PM2.5: 10.6 µg/m³

Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)

14.9 km PM2.5: 15.4 µg/m³

Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)

21.2 km PM2.5: 7.0 µg/m³

Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)

21.2 km PM2.5: 8.4 µg/m³

Matsuyama, Higashimatsuyama, Saitama Prefecture, Japan (東松山岩鼻自排東松山市)

21.6 km PM2.5: 22.1 µg/m³

Nearby Cities

26 Chichibu 23 Ogawamachi 21 Yorii 20 Ranzan 20 Morohongō 26 Kodamachō-kodamaminami 17 Yamata 18 Hidaka 22 Sakado

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T00:50 UTC.