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Niigata Prefecture
AQI (China)
AQC (Australia)
AQHI (Canada)
AQI (China)
AQI (Netherlands)
AQI (US)
CAQI (Europe)
AQI (UK)
AQI (India)
Niigata Prefecture
Japan
2026-05-04 04:00
AQI (China)
Excellent
Pollutants
O3
μg/m³
120.6
PM2.5
μg/m³
5.9
CO
μg/m³
562.5
NO2
μg/m³
3.5
SO2
μg/m³
0.5
Weather
℃
℃
℉
14℃
86%
41 kph
3 of 11
Historical Data
Hourly
Hourly
Daily
AQI (China)
AQI (China)
O3
PM2.5
CO
NO2
SO2
Places included
Itoigawa
AQI 39
Joetsu
AQI 37
Kashiwazaki
AQI 9
Kitakanbara District
AQI 10
Minamiuonuma
AQI 37
Murakami
AQI 34
Myoko
AQI 35
Nagaoka
AQI 36
Niigata
AQI 37
Sado
AQI 47
Shibata
AQI 10
Tainai
AQI 37
Tsubame
AQI 39
Data Sources
http://soramame.taiki.go.jp/
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Cities Nearby
Niigata
AQI 37
Seiro
AQI 10
Shibata
AQI 10
Tsubame
AQI 39
Tainai
AQI 37
Nagaoka
AQI 36
Murakami
AQI 34
Sado
AQI 47
Kashiwazaki
AQI 9
Kitakata
AQI 2
Minamiuonuma
AQI 37
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