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 2019


CO Averages

CO data below are shown in Parts Per Million (PPM)
Date
Max 8 Hour Average
1 Hour Average
DEC-06 0.6 0.862
SEP-18 0.5 0.404
DEC-07 0.3 0.388
MAR-21 0.3 0.326
DEC-08 0.3 0.279
AUG-17 0.2 0.248
AUG-18 0.2 0.251
MAR-08 0.2 0.575
MAR-04 0.2 0.650
MAR-06 0.2 0.704
 
Date
Max 1 Hour Average
 
DEC-06 0.862  
MAR-05 0.707  
MAR-06 0.704  
MAR-04 0.650  
MAR-01 0.648  
MAR-03 0.635  
MAR-09 0.631  
MAR-07 0.629  
MAR-02 0.614  
MAR-13 0.597  

NO2 Averages

NO2 data below are shown in Parts Per Billion (PPB)
This site did not monitor NO2 during 2019.

Ozone Averages

Ozone data below are shown in Parts Per Billion (PPB)
Date
Max 8 Hour Average
1 Hour Average
MAR-20 65 72
APR-28 62 66
APR-27 61 63
APR-16 58 61
MAR-23 57 60
MAR-24 57 61
MAR-21 56 59
APR-23 56 60
JUN-03 56 59
APR-24 55 60
 
Date
Max 1 Hour Average
 
MAR-20 72  
APR-28 66  
APR-27 63  
MAY-13 63  
MAR-24 61  
APR-16 61  
MAR-22 60  
MAR-23 60  
APR-18 60  
APR-23 60  

PM 2.5 Averages

PM 2.5 data below are shown in Micrograms Per Cubic Meter (μg/m3)
Date
Daily Average
 
JUN-25 24.6  
JUN-21 24.3  
JUN-24 23  
JUL-16 21.4  
MAR-21 21.1  
MAR-20 20.2  
JUN-20 19.7  
JUL-15 19.7  
MAR-16 18  
JUN-23 18  
* = 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 2019.

SO2 Averages

SO2 data below are shown in Parts Per Billion (PPB)
Date
Max Daily (24-Hour) Average
1 Hour Average
JUN-15 0.840 1.061
DEC-20 0.810 1.154
MAY-02 0.800 1.268
MAR-19 0.780 2.114
JUN-14 0.780 1.092
DEC-07 0.780 1.310
JUN-24 0.770 0.971
JUN-17 0.760 0.892
JUN-23 0.760 0.868
DEC-04 0.760 1.189
Date
Max 1 Hour Average
 
MAR-16 2.229  
MAR-19 2.114  
MAR-29 1.916  
MAR-07 1.774  
MAR-13 1.732  
APR-25 1.643  
NOV-26 1.426  
DEC-07 1.310  
MAY-02 1.268  
NOV-04 1.238  
* = Value Not Available
Federal Air Quality Standard
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