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  3. Niigata Prefecture
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Niigata

Niigata Prefecture, Japan

2026-01-01 16:00
AQI (US)
Good
Pollutants
O3
μg/m³
73.1
PM2.5
μg/m³
4.2
CO
μg/m³
250
NO2
μg/m³
2.1
SO2
μg/m³
0
Weather
  • ℃
  • ℉
3℃
71%
29 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • O3
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Akiha Ward
AQI 34
Chuo Ward
AQI 34
Higashi-ku
AQI 33
Kita-ku
AQI 32
Konan Ward
AQI 17
Minami Ward
AQI 17
Nishi Ward
AQI 39
Nishikan Ward
AQI 23
Data Sources
http://soramame.taiki.go.jp/

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Minamiuonuma
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