Aika

Hiukkanen

concentration

AQI

classification

       
current pm_2p5 0.0435 ug/m3 0.2 Good Air Quality
     
current pm_10 0.3913 ug/m3 0.4 Good Air Quality
     
_1_hour pm_2p5 0.0635 ug/m3 0.3 Good Air Quality
     
_1_hour pm_10 0.1688 ug/m3 0.2 Good Air Quality
     
_3_hour pm_2p5 0.1223 ug/m3 0.5 Good Air Quality
     
_3_hour pm_10 0.2195 ug/m3 0.2 Good Air Quality
     
_24_hour pm_2p5 1.2664 ug/m3 5.3 Good Air Quality
     
_24_hour pm_10 1.7288 ug/m3 1.6 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 alert: everyone may experience more serious health effects


Hazardous Air Quality

 > 300 > 424 μg/m3 > 250.4 μg/m3 Health warnings of emergency conditions. The entire population is more likely to be affected
 More information:  EPA  Air Quality Index     Davis sensor  Sensor data captured at: 09-11-2025 13:45  Temperature: 33.2°F Humidity: 94.9% Dewpoint: 31.9°F