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

Monitoring Station · Morohongō, Japan
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
28 2am
34
14
28 5am
35
35
55 8am
55
55
67 11am
67
67
67 2pm
67
—
— 5pm
—
—
— 8pm
—
—
— 11pm
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Station readings
34
14
CAMS model adj +1
27
27
27
27
34
34
54
54
54
66
66
66
66
66

Air Quality Forecast (24h)

PM2.53.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

23
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
0.0 km PM2.5: 5.5 µg/m³
2
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
7.6 km PM2.5: 0.5 µg/m³
19
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 4.6 µg/m³
6
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 1.4 µg/m³
15
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 3.6 µg/m³
-
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km
19
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 4.6 µg/m³
13
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 3.1 µg/m³

Nearby Cities

32 Morohongō 35 Hidaka 42 Sakado 40 Tsurugashima 29 Hannō 34 Ranzan 34 Ogawamachi 30 Higashi-Matsuyama 28 Igusa

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-30T05:06 UTC.