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  3. Niigata Prefecture
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  5. Saiwaicho

Saiwaicho

Nagaoka, Niigata Prefecture

2025-12-09 04:00
CAQI (Europe)
Very Low
Pollutants
O3
μg/m³
25.7
NO2
μg/m³
10.3
PM2.5
μg/m³
3
SO2
μg/m³
2.9
Weather
  • ℃
  • ℉
6℃
81%
8 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • CAQI (Europe)
  • O3
  • NO2
  • PM2.5
  • SO2
Places included
長岡工業高校
AQI 11
Data Sources
http://soramame.taiki.go.jp/

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