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
View city history →

Nearby Monitoring Stations

17
Shiroishi, Saitama Prefecture, Japan (東秩父秩父郡東秩父村)
0.0 km PM2.5: 4.1 µg/m³
46
Hinodamachi, Chichibu, Saitama, Japan (秩父秩父市)
9.0 km PM2.5: 11.0 µg/m³
46
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
9.3 km PM2.5: 11.0 µg/m³
46
Sakurazawa, Saitama Prefecture, Japan (寄居桜沢自排大里郡寄居町)
11.4 km PM2.5: 11.0 µg/m³
38
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
20.7 km PM2.5: 9.1 µg/m³
46
Uwanodai, Fukaya, Saitama, Japan (深谷深谷市)
21.0 km PM2.5: 11.0 µg/m³
46
Uwanodai, Fukaya, Saitama, Japan (深谷深谷市)
21.0 km PM2.5: 11.0 µg/m³
42
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
21.9 km PM2.5: 10.1 µg/m³

Nearby Cities

46 Chichibu 44 Ogawamachi 46 Yorii 44 Ranzan 44 Morohongō 52 Kodamachō-kodamaminami 42 Yamata 44 Hidaka 47 Sakado

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-17T06:36 UTC.