Honcho, Joetsu, Niigata, Japan (深谷上越市) Air Quality

Monitoring Station · Jōetsu, Japan
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
29 3am
55
29
29 6am
27
27
27 9am
27
29
29 12pm
36
36
36 3pm
56
36
— 6pm
—
—
— 9pm
—
—
— 12am
—
—
Station readings
55
CAMS model adj +2
27
27
27
27
25
25
25
25
27
27
34
34
34
54
34

Air Quality Forecast (24h)

PM2.514.0 µg/m³ ✓ WHO
Moderate
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Nearby Monitoring Stations

59
Honcho, Joetsu, Niigata, Japan (深谷上越市)
0.0 km PM2.5: 15.9 µg/m³

Nearby Cities

42 Jōetsu 31 Myoko 31 Arai 28 Iiyama 30 Itoigawa 46 Kashiwazaki 28 Nakano 31 Tōkamachi 30 Nagano

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T06:33 UTC.