Oiwacho, Toyohashi, Aichi, Japan (二川豊橋市) Air Quality

Monitoring Station · Kosai, Japan

21

Good

Air quality is satisfactory. Enjoy outdoor activities.

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AQI Forecast

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Air Quality Forecast (24h)

PM2.55.0 µg/m³ ✓ WHO

Good

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Nearby Monitoring Stations

Oiwacho, Toyohashi, Aichi, Japan (二川豊橋市)

0.0 km PM2.5: 5.0 µg/m³

Azumacho, Toyohashi, Aichi, Japan (吾妻豊橋市)

5.7 km PM2.5: 10.1 µg/m³

Kibi, Kosai, Shizuoka, Japan (湖西市役所湖西市)

7.4 km PM2.5: 11.0 µg/m³

Toyohashi (豊橋)

7.6 km PM2.5: 13.1 µg/m³

Mikkabicho Mikkabi, Shizuoka, Japan (三ヶ日浜松市北区)

13.2 km PM2.5: 6.0 µg/m³

豊川市御津南部小学校

15.0 km PM2.5: 8.0 µg/m³

Kamigayachō, Shizuoka-ken, Japan (西部測定局浜松市西区)

20.0 km PM2.5: 5.0 µg/m³

Kamigayachō, Shizuoka-ken, Japan (西部測定局浜松市西区)

20.0 km PM2.5: 4.1 µg/m³

Nearby Cities

43 Kosai 52 Toyohashi 35 Arai 45 Toyokawa 41 Kozakai-chō 44 Tahara 39 Shinshiro 38 Gamagōri 28 Hamamatsu

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-10-21T07:41 UTC.