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  3. Niigata Prefecture
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Niigata

Niigata Prefecture, Japan

2026-02-18 01:00
AQI (India)
Good
Pollutants
O3
μg/m³
49
NO2
μg/m³
21.6
CO
μg/m³
250
PM2.5
μg/m³
6.9
SO2
μg/m³
0.7
Weather
  • ℃
  • ℉
8℃
42%
32 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • O3
  • NO2
  • CO
  • PM2.5
  • SO2
Places included
Akiha Ward
AQI 14
Chuo Ward
AQI 49
Higashi-ku
AQI 63
Kita-ku
AQI 74
Konan Ward
AQI 14
Minami Ward
AQI 15
Nishi Ward
AQI 45
Nishikan Ward
AQI 12
Data Sources
http://soramame.taiki.go.jp/

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