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

Monitoring Station · Morohongō, Japan
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
6 11pm
6
30
6 2am
0
0
6 5am
6
6
6 8am
6
18
18 11am
18
35
— 2pm
—
—
— 5pm
—
—
— 8pm
—
—
Station readings
30
CAMS model adj -48
54
54
54
54
34
34
54
54
54
54
54
66
66
66
83

Air Quality Trend (24h)

PM2.57.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

25
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
7.6 km PM2.5: 6.0 µg/m³
30
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
7.6 km PM2.5: 7.2 µg/m³
42
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 10.1 µg/m³
30
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 7.2 µg/m³
34
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 8.2 µg/m³
34
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 8.2 µg/m³
34
Goryocho, Higashimatsuyama, Saitama, Japan (東松山東松山市)
12.5 km PM2.5: 8.2 µg/m³
34
Ōtsuka, Saitama-ken, Japan (小川比企郡小川町)
13.0 km PM2.5: 8.2 µg/m³

Nearby Cities

23 Morohongō 26 Hidaka 30 Sakado 30 Tsurugashima 25 Hannō 32 Ranzan 34 Ogawamachi 38 Higashi-Matsuyama 32 Igusa

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-25T02:39 UTC.