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  2. Japan
  3. Niigata Prefecture
  4. Nagaoka

Nagaoka

Niigata Prefecture, Japan

2026-05-09 23:00
AQI (India)
Satisfactory
Pollutants
O3
μg/m³
66.4
PM2.5
μg/m³
7.8
CO
μg/m³
250
NO2
μg/m³
4.1
SO2
μg/m³
0
Weather
  • ℃
  • ℉
20℃
45%
5 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • O3
  • PM2.5
  • CO
  • NO2
  • SO2
Places included
Jooka
AQI 13
Kesajiro
AQI 14
Kitazonomachi
AQI 14
Saiwaicho
AQI 67
Data Sources
http://soramame.taiki.go.jp/

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