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Air Quality Data

 
  • Each table summarizes one 24-hour period for each site.

  • Each value represents an hourly average.

  • Hour "00" is the hour spanning from midnight to 1:00 A.M. Central Standard Time.

  • The parameters monitored are:

CO Carbon Monoxide
NO2

Nitrogen Dioxide

NO Nitric Oxide
NOx Nitrogen Oxides
O3 Ozone
PM-10 Particulate Matter <10 microns
PM-2.5 Particulate Matter <2.5 microns
SO2 Sulfur Dioxide
Temp Indoor temperature at site
H2S Hydrogen Sulfide
  • Unit abbreviations are:

PPM parts per million
DEGF degrees Fahrenheit
UG/M3 micrograms per cubic meter
  • Data Qualifers (alpha-numeric characters appended to a reading may indicate suspect data):

< <75% Data Capture
>

75% - 95% Data Capture

B Equipment Failure
C Multipoint Calibration
c Site computer/data logger down
D Voided by Operator
E Operator Error
I Miscellaneous
M Maintenance/Routine Repairs
P Power Failure
q Q C Audit
Q A Q Audit
S Building/Site Repair
T Shelter Temperature Outside Limits
X Poor Quality Assurance Results
Z Precision/Zero/Span

 

Please direct additional questions concerning data interpretation to the Department of Environmental Quality (405) 702-4100.
 

INFORMATION ABOUT AIR QUALITY DATA

 

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