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

Monitoring Station · Morohongō, Japan
38
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
30 2pm
38
51
51 5pm
51
51
51 8pm
51
34
22 11pm
22
22
22 2am
2
2
— 5am
—
—
— 8am
—
—
— 11am
—
—
Station readings
30
38
CAMS model adj -32
83
83
83
83
83
83
83
83
66
54
54
54
54
34
34

Air Quality Trend (24h)

PM2.59.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

50
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
6.9 km PM2.5: 12.0 µg/m³
42
Nakakayama, Hidaka, Saitama, Japan (日高日高市)
6.9 km PM2.5: 10.1 µg/m³
31
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
7.6 km PM2.5: 7.4 µg/m³
41
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 9.8 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
17
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 4.1 µg/m³
42
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 10.1 µg/m³
50
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 12.0 µg/m³

Nearby Cities

38 Morohongō 37 Hidaka 36 Sakado 38 Tsurugashima 47 Hannō 39 Ranzan 45 Ogawamachi 26 Higashi-Matsuyama 38 Igusa

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-24T17:18 UTC.