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

Monitoring Station · Morohongō, Japan
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
58 11pm
15
37
37 2am
37
37
37 5am
39
46
46 8am
66
66
66 11am
78
78
— 2pm
—
—
— 5pm
—
—
— 8pm
—
—
Station readings
58
15
CAMS model adj +12
25
25
25
25
25
25
25
27
34
34
54
54
54
66
66

Air Quality Forecast (24h)

PM2.53.6 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

50
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
0.0 km PM2.5: 12.0 µg/m³
32
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
7.6 km PM2.5: 7.7 µg/m³
29
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 7.0 µg/m³
30
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 7.2 µg/m³
38
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 9.1 µg/m³
13
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 3.1 µg/m³
60
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 16.4 µg/m³
26
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 6.2 µg/m³

Nearby Cities

22 Morohongō 21 Hidaka 19 Sakado 19 Tsurugashima 42 Hannō 21 Ranzan 19 Ogawamachi 24 Higashi-Matsuyama 17 Igusa

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:44 UTC.