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

Monitoring Station · Morohongō, Japan
67
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
67 9pm
36
36
36 12am
9
9
9 3am
9
16
36 6am
36
36
36 9am
36
36
— 12pm
—
—
— 3pm
—
—
— 6pm
—
—
CAMS model adj -18
54
54
54
54
27
27
27
27
34
54
54
54
54
54
54

Air Quality Forecast (24h)

PM2.519.7 µg/m³ ×1.3 WHO
Moderate
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Nearby Monitoring Stations

40
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
0.0 km PM2.5: 9.6 µg/m³
42
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
7.6 km PM2.5: 10.1 µg/m³
36
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 8.6 µg/m³
9
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 2.2 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
35
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 8.4 µg/m³
2
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 0.5 µg/m³
40
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 9.6 µg/m³

Nearby Cities

19 Morohongō 18 Hidaka 15 Sakado 16 Tsurugashima 41 Hannō 12 Ranzan 15 Ogawamachi 1 Higashi-Matsuyama 9 Igusa

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:17 UTC.