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Tongxu County

Kaifeng, Henan

2026-05-17 21:00
AQI (China)
Good
Pollutants
PM2.5
μg/m³
37
PM10
μg/m³
50.2
O3
μg/m³
65
CO
μg/m³
626
NO2
μg/m³
7.4
SO2
μg/m³
5.2
Weather
  • ℃
  • ℉
21℃
99%
2 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • PM2.5
  • PM10
  • O3
  • CO
  • NO2
  • SO2

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