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period particle concentration AQI classification       
current pm_2p5 13.2059 ug/m3 52.6 Moderate Air Quality  
    
current pm_10 13.2059 ug/m3 12.2 Good Air Quality
     

_1_hour pm_2p5 13.1505 ug/m3 52.5 Moderate Air Quality  
    
_1_hour pm_10 13.6854 ug/m3 12.7 Good Air Quality
     

_3_hour pm_2p5 12.7228 ug/m3 51.5 Moderate Air Quality  
    
_3_hour pm_10 13.3087 ug/m3 12.3 Good Air Quality
     

_24_hour pm_2p5 9.6281 ug/m3 40.1 Good Air Quality
     
_24_hour pm_10 10.0116 ug/m3 9.3 Good Air Quality
     

     

classification AQI pm10 pm2.5 The health effects should be based on 24 hours average values only.
Good Air Quality 0-50 < 54 μg/m3 < 12 μg/m3 Air quality is considered satisfactory, and air pollution poses little or no risk
Moderate Air Quality 50-100 < 154 μg/m3 < 35.4 μg/m3 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 < 254 μg/m3 < 55.4 μg/m3 Members of sensitive groups may experience health effects. The general public is not likely to be affected.
Unhealthy Air Quality 150-200 < 354 μg/m3 < 150.4 μg/m3 Everyone may begin to experience health effects; members of sensitive groups may experience more serious health effects.
Very Unhealthy 200-300 < 424 μg/m3 < 250.4 μg/m3 Health warnings of emergency conditions. The entire population is more likely to be affected
Hazardous Air Quality > 300 > 424 μg/m3 > 250.4 μg/m3 Health alert: everyone may experience more serious health effects
 More information:  EPA  Air Quality Index     Davis sensor  Sensor data captured at: 05-25-2026 08:45  Temperature: 74.9°F Humidity: 86.2% Dewpoint: 70.5°F