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

  PM2.5 PM10 O3 AQI classification       
Current 5 5 23.2 23.2 Good Air Quality
     
Forecastmin avg maxmin avg maxmin avg max           
04-13-2026101317581117Good Air Quality
     
04-14-202681118471118Good Air Quality
     
04-15-2026691145611Good Air Quality
     
04-16-202612131557815Good Air Quality
     
04-17-2026101930691030Good Air Quality
     
04-18-2026101733471133Good Air Quality
     
04-19-2026162459691859Moderate 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: 04-15-2026 03:00