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

Monitoring Station · Morohongō, Japan
34
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
50 2am
30
30
34 5am
32
39
39 8am
59
59
59 11am
71
71
88 2pm
88
71
— 5pm
—
—
— 8pm
—
—
— 11pm
—
—
Station readings
50
34
CAMS model adj +5
25
25
25
25
27
34
34
54
54
54
66
66
83
83
66

Air Quality Forecast (24h)

PM2.58.2 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

91
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
0.0 km PM2.5: 31.1 µg/m³
20
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
7.6 km PM2.5: 4.8 µg/m³
81
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 26.4 µg/m³
30
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 7.2 µg/m³
25
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 6.0 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
39
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 9.4 µg/m³

Nearby Cities

28 Morohongō 20 Hidaka 20 Sakado 20 Tsurugashima 22 Hannō 27 Ranzan 32 Ogawamachi 28 Higashi-Matsuyama 42 Igusa

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T05:25 UTC.