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  4. Cass County
  5. Ayr

Ayr

Cass County, North Dakota

2026-04-29 15:00
AQI (China)
Excellent
Pollutants
NO2
μg/m³
38
PM10
μg/m³
17.4
PM2.5
μg/m³
9.9
O3
μg/m³
11.3
SO2
μg/m³
4.9
Weather
  • ℃
  • ℉
7℃
55%
10 kph
4 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • NO2
  • PM10
  • PM2.5
  • O3
  • SO2

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