X  Close Official AQ sensor station - Credit Union, South Dakota, USA

  PM2.5 PM10 O3 AQI classification       
Current 5 9 9 Good Air Quality
     

Forecastmin avg maxmin avg maxmin avg max           
03-27-202615161912121419Good Air Quality
     
03-28-20261519239121723Good Air Quality
     
03-29-202622273611183336Good Air Quality
     
03-30-20261526419183141Good Air Quality
     
03-31-2026913157111315Good Air Quality
     
04-01-202612162010121420Good Air Quality
     
04-02-202618294513182545Good Air Quality
     
04-03-202625283911142039Good Air Quality
     
            

classification AQI The health effects should be based on 24 hours average values only.
Good Air Quality 0-50 Air quality is considered satisfactory, and air pollution poses little or no risk
Moderate Air Quality 50-100 Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
Unhealthy for some 100-150 Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Unhealthy Air Quality 150-200 Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
Very Unhealthy 200-300 Health warnings of emergency conditions. The entire population is more likely to be affected
Hazardous Air Quality > 300 Health alert: everyone may experience more serious health effects
 More information:  EPA Air Quality Index      Sensor data captured at: 03-29-2026 22:00