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

Monitoring Station · Morohongō, Japan
58
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
30 10pm
58
30
30 1am
30
30
30 4am
30
32
39 7am
39
59
59 10am
59
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— 1pm
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—
— 4pm
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— 7pm
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Station readings
58
CAMS model adj +5
25
25
25
25
25
25
25
25
27
34
34
54
54
54

Air Quality Forecast (24h)

PM2.515.4 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

44
Iwai, Saitama Prefecture, Japan (毛呂山入間郡毛呂山町)
0.0 km PM2.5: 10.6 µg/m³
29
Ōtagaya, Tsurugashima-shi, Saitama-ken, Japan (鶴ヶ島自排鶴ヶ島市)
7.6 km PM2.5: 7.0 µg/m³
29
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 7.0 µg/m³
35
Ashiyamachō, Sakado-shi, Saitama-ken, Japan (坂戸坂戸市)
7.9 km PM2.5: 8.4 µg/m³
38
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 9.1 µg/m³
13
Iseharachō, Kawagoe-shi, Saitama-ken, Japan (川越市霞ケ関川越市)
10.1 km PM2.5: 3.1 µg/m³
44
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 10.6 µg/m³
26
Namiyanagi, Hannō-shi, Saitama-ken, Japan (飯能飯能市)
10.7 km PM2.5: 6.2 µg/m³

Nearby Cities

20 Morohongō 18 Hidaka 22 Sakado 23 Tsurugashima 18 Hannō 20 Ranzan 23 Ogawamachi 6 Higashi-Matsuyama 27 Igusa

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T01:01 UTC.