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
33 6pm
74
38
45 9pm
25
25
18 12am
18
16
16 3am
18
18
18 6am
18
18
— 9am
—
—
— 12pm
—
—
— 3pm
—
—
Station readings
33
74
38
CAMS model adj -9
54
54
54
54
34
34
27
27
25
25
27
27
27
27
27

Air Quality Trend (24h)

PM2.59.1 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

34
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
0.0 km PM2.5: 8.2 µg/m³
42
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
0.0 km PM2.5: 10.1 µg/m³
38
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
7.6 km PM2.5: 9.1 µg/m³
34
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 8.2 µg/m³
34
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 8.2 µg/m³
25
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 6.0 µg/m³
32
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 7.7 µg/m³
34
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 8.2 µg/m³

Nearby Cities

47 Morohongō 38 Hidaka 39 Sakado 40 Tsurugashima 34 Hannō 38 Ranzan 36 Ogawamachi 26 Higashi-Matsuyama 37 Igusa

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-16T21:43 UTC.