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  3. Niigata Prefecture
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Niigata

Niigata Prefecture, Japan

2026-04-29 23:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
5.2
O3
μg/m³
47.9
NO2
μg/m³
16.5
CO
μg/m³
250
SO2
μg/m³
0
Weather
  • ℃
  • ℉
13℃
53%
9 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • NO2
  • CO
  • SO2
Places included
Akiha Ward
AQI 17
Chuo Ward
AQI 17
Higashi-ku
AQI 30
Kita-ku
AQI 45
Konan Ward
AQI 28
Minami Ward
AQI 28
Nishi Ward
AQI 39
Nishikan Ward
AQI 28
Data Sources
http://soramame.taiki.go.jp/

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