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

Monitoring Station · Morohongō, Japan
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
21 5pm
56
54
35 8pm
35
35
35 11pm
35
35
35 2am
35
35
35 5am
42
42
— 8am
—
—
— 11am
—
—
— 2pm
—
—
Station readings
21
56
54
CAMS model adj +8
27
27
27
27
27
27
27
27
27
27
27
27
27
34
34

Air Quality Forecast (24h)

PM2.513.5 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

25
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
0.0 km PM2.5: 6.0 µg/m³
61
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
7.6 km PM2.5: 16.9 µg/m³
37
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 8.9 µg/m³
63
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 17.8 µg/m³
26
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 6.2 µg/m³
8
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 1.9 µg/m³
41
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 9.8 µg/m³
42
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 10.1 µg/m³

Nearby Cities

16 Morohongō 34 Hidaka 39 Sakado 40 Tsurugashima 43 Hannō 33 Ranzan 34 Ogawamachi 32 Higashi-Matsuyama 25 Igusa

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T20:42 UTC.