Highest Readings by Year
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Air Quality Monitoring

Highest Readings by Year
Air Resource Management
Data on this page are updated daily when complete data are received.

It is important to note that the ozone monitoring data less than three months old viewed on this website have generally not been verified and checked for quality assurance in accordance with federal requirements.


 More Details about: St. Marks Wildlife Refuge
 Ad Hoc Reporting

AQS # G129-0001
St. Marks Wildlife Refuge

10 Highest Daily Averages for Year 2020


CO Averages

CO data below are shown in Parts Per Million (PPM)
Date
Max 8 Hour Average
1 Hour Average

APR-04 0.5 0.850
MAR-30 0.4 0.596
MAR-29 0.4 0.210
APR-05 0.3 0.806
JUL-09 0.3 0.505
APR-03 0.3 0.418
APR-27 0.3 0.372
JUL-20 0.3 0.228
DEC-11 0.3 0.431
APR-25 0.3 0.290
 
Date
Max 1 Hour Average
 

APR-04 0.850  
APR-05 0.806  
JUL-11 0.654  
JUN-22 0.602  
MAR-30 0.596  
JUL-09 0.505  
JUL-21 0.481  
DEC-11 0.431  
APR-03 0.418  
JAN-30 0.412  

NO2 Averages

NO2 data below are shown in Parts Per Billion (PPB)
This site did not monitor NO2 during 2020.

Ozone Averages

Ozone data below are shown in Parts Per Billion (PPB)
Date
Max 8 Hour Average
1 Hour Average

APR-03 57 60
MAY-02 57 58
MAY-08 55 56
MAY-11 55 59
MAR-01 54 56
APR-04 54 57
MAY-01 54 57
APR-27 53 56
MAY-03 53 57
APR-11 52 57
 
Date
Max 1 Hour Average
 

APR-03 60  
MAY-11 59  
MAY-02 58  
MAY-07 58  
MAY-20 58  
APR-04 57  
APR-11 57  
MAY-01 57  
MAY-03 57  
MAR-01 56  

PM 2.5 Averages

PM 2.5 data below are shown in Micrograms Per Cubic Meter (μg/m3)
Date
Daily Average
 
JUN-26 73.9  
JUN-27 60.6  
JUL-09 31.5  
JUN-25 31  
SEP-05 27.1  
JUN-28 27  
APR-04 24  
JUL-10 21.4  
JUL-14 21.2  
SEP-04 19.9  
* = Value Not Available

PM 10 Averages

PM 10 data below are shown in Micrograms Per Cubic Meter (μg/m3)
This site did not monitor PM 10 during 2020.

SO2 Averages

SO2 data below are shown in Parts Per Billion (PPB)
Date
Max Daily (24-Hour) Average
1 Hour Average
JAN-01 0.730 0.864
JAN-02 0.710 0.827
JAN-06 0.710 0.933
JAN-07 0.710 1.012
JAN-03 0.680 0.798
JAN-04 0.670 0.746
MAY-10 0.650 1.277
JAN-05 0.620 0.706
AUG-05 0.520 0.921
DEC-31 0.520 0.658

Date
Max 1 Hour Average
 
JUN-29 1.318  
MAY-10 1.277  
AUG-25 1.208  
JUL-16 1.135  
APR-22 1.106  
JUN-10 1.054  
JAN-07 1.012  
FEB-08 1.012  
APR-05 0.948  
DEC-10 0.935  
* = Value Not Available

Federal Air Quality Standard
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