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  5. Ayr

Ayr

Cass County, North Dakota

2026-08-11 05:00
AQI (China)
Excellent
Pollutants
PM2.5
μg/m³
13.2
PM10
μg/m³
18.1
O3
μg/m³
35.9
NO2
μg/m³
1.7
SO2
μg/m³
2.4
Weather
  • ℃
  • ℉
19℃
72%
13 kph
0 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (China)
  • PM2.5
  • PM10
  • O3
  • NO2
  • SO2

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