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

Monitoring Station · Morohongō, Japan
50
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
36 8am
36
36
36 11am
36
53
53 2pm
53
53
36 5pm
36
24
24 8pm
24
24
— 11pm
—
—
— 2am
—
—
— 5am
—
—
CAMS model adj -30
66
66
66
66
66
83
83
83
83
66
66
54
54
54
54

Air Quality Trend (24h)

PM2.512.0 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
46
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
6.9 km PM2.5: 11.0 µg/m³
55
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 14.0 µg/m³
57
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 15.0 µg/m³
42
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 10.1 µg/m³
53
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 13.1 µg/m³
53
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 13.1 µg/m³
46
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
12.5 km PM2.5: 11.0 µg/m³

Nearby Cities

74 Morohongō 74 Hidaka 74 Sakado 66 Tsurugashima 84 Hannō 74 Ranzan 68 Ogawamachi 66 Higashi-Matsuyama 66 Igusa

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-15T11:55 UTC.