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  2. Japan
  3. Niigata Prefecture
  4. Nagaoka

Nagaoka

Niigata Prefecture, Japan

2026-08-21 12:00
AQI (US)
Good
Pollutants
PM2.5
μg/m³
9
O3
μg/m³
30
NO2
μg/m³
7.2
CO
μg/m³
250
SO2
μg/m³
0
Weather
  • ℃
  • ℉
25℃
92%
4 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • PM2.5
  • O3
  • NO2
  • CO
  • SO2
Places included
Jooka
AQI 50
Kesajiro
AQI 50
Kitazonomachi
AQI 50
Saiwaicho
AQI 50
Data Sources
http://soramame.taiki.go.jp/

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