CAAP Home > Air Quality > Current Data - real-time air quality information   All data is preliminary 
Select A Site
Observation To Graph
Monitored ParameterAveraging PeriodCurrent ValueUnitsState StandardFederal Standard
O3 1-hr 0.012 ppm 0.09 -
O3 8-hr 0.024 ppm 0.07 0.08
PM10 24-hr 28.3 µg/m3 50 150
PM2.5 24-hr 11.9 µg/m3 - 35
NO2 1-hr 0.022 ppm 0.25 -
CO 1-hr 0.519 ppm 20.0 35.0
CO 8-hr 0.477 ppm 9.0 9.0
SO2 1-hr 0.002 ppm 0.250 0.075
SO2 24-hr 0.002 ppm 0.04 0.14
UFP 1-hr 1957 # - -
Wind Speed 1-hr 1.9 mph - -
Wind Direction 1-hr SW direction - -
Temperature 1-hr 58.4 deg F - -
Current Data Chart
* Indicates reading occurred during instrument calibration