X  Close Official AQ sensor station - National Jewish Hospital, Colorado, USA

  PM2.5 PM10 O3 AQI classification       
Current 13 8 14.7 14.7 Good Air Quality
     

Forecastmin avg maxmin avg maxmin avg max           
03-10-20261019285101928Good Air Quality
     
03-11-20261529457121945Good Air Quality
     
03-12-202651240261640Good Air Quality
     
03-13-2026571034610Good Air Quality
     
03-14-20265783468Good Air Quality
     
03-15-20267121756917Good Air Quality
     
03-16-2026172253991653Moderate 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 alert: everyone may experience more serious health effects
Hazardous Air Quality > 300 Health warnings of emergency conditions. The entire population is more likely to be affected
 More information:  EPA Air Quality Index      Sensor data captured at: 03-12-2026 02:00