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period particle concentration AQI classification       
current pm_2p5 20.1765 ug/m3 67.5 Moderate Air Quality  
current pm_10 21.8971 ug/m3 20.3 Good Air Quality

_1_hour pm_2p5 19.119 ug/m3 65.2 Moderate Air Quality  
_1_hour pm_10 20.4772 ug/m3 19.0 Good Air Quality

_3_hour pm_2p5 18.0696 ug/m3 63.0 Moderate Air Quality  
_3_hour pm_10 19.325 ug/m3 17.9 Good Air Quality

_24_hour pm_2p5 14.4821 ug/m3 55.3 Moderate Air Quality  
_24_hour pm_10 15.6466 ug/m3 14.5 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: 16-10-2021 01:15  Temperature: 66.5°F Humidity: 89.8% Dewpoint: 63.4°F