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 2024


CO Averages

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

DEC-21 0.2 0.177
DEC-22 0.2 0.244
DEC-23 0.2 0.187
DEC-24 0.2 0.206
DEC-25 0.2 0.181
DEC-26 0.2 0.214
DEC-27 0.2 0.199
DEC-28 0.2 0.169
DEC-30 0.2 0.160
DEC-29 0.1 0.153
 
Date
Max 1 Hour Average
 

DEC-22 0.244  
DEC-26 0.214  
DEC-24 0.206  
DEC-27 0.199  
DEC-23 0.187  
DEC-25 0.181  
DEC-21 0.177  
DEC-28 0.169  
DEC-31 0.165  
DEC-30 0.160  

NO2 Averages

NO2 data below are shown in Parts Per Billion (PPB)
This site did not monitor NO2 during 2024.

Ozone Averages

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

MAY-31 59 62
FEB-22 58 58
SEP-25 57 60
MAY-29 56 67
MAR-30 55 57
APR-15 55 59
APR-26 55 60
MAY-14 55 58
JUN-09 55 57
MAR-21 54 56
 
Date
Max 1 Hour Average
 

MAY-29 67  
AUG-09 65  
FEB-23 62  
MAY-31 62  
APR-26 60  
SEP-25 60  
APR-15 59  
FEB-21 58  
FEB-22 58  
MAY-14 58  

PM 2.5 Averages

PM 2.5 data below are shown in Micrograms Per Cubic Meter (μg/m3)
Date
Daily Average
 
OCT-28 28.4  
APR-24 24.8  
OCT-27 19.9  
APR-25 19.2  
AUG-08 18.8  
MAR-21 17.4  
JUL-10 17.4  
APR-03 16.8  
MAY-15 16.2  
MAR-12 15.2  
* = 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 2024.

SO2 Averages

SO2 data below are shown in Parts Per Billion (PPB)
Date
Max Daily (24-Hour) Average
1 Hour Average
MAY-21 1.560 1.710
MAY-23 1.550 1.711
MAY-22 1.510 1.728
MAY-26 1.500 1.611
MAY-20 1.490 1.585
MAY-24 1.490 1.563
MAY-25 1.490 1.559
MAY-16 1.480 1.582
MAY-27 1.480 1.587
MAY-28 1.480 1.609

Date
Max 1 Hour Average
 
JAN-15 2.083  
SEP-26 1.820  
MAY-22 1.728  
FEB-07 1.711  
MAY-23 1.711  
MAY-21 1.710  
APR-11 1.682  
MAR-11 1.620  
MAY-26 1.611  
MAY-28 1.609  
* = Value Not Available

Federal Air Quality Standard
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