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Niigata Prefecture
Niigata
AQI (US)
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AQI (US)
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AQI (UK)
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Niigata
Niigata Prefecture, Japan
2025-12-29 03:00
AQI (US)
Good
Pollutants
O3
μg/m³
64.6
PM2.5
μg/m³
3.8
NO2
μg/m³
8
CO
μg/m³
250
SO2
μg/m³
0
Weather
℃
℃
℉
11℃
43%
20 kph
1 of 11
Historical Data
Hourly
Hourly
Daily
AQI (US)
AQI (US)
O3
PM2.5
NO2
CO
SO2
Places included
Akiha Ward
AQI 23
Chuo Ward
AQI 28
Higashi-ku
AQI 29
Kita-ku
AQI 32
Konan Ward
AQI 17
Minami Ward
AQI 50
Nishi Ward
AQI 25
Nishikan Ward
AQI 17
Data Sources
http://soramame.taiki.go.jp/
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Minamiuonuma
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