Florida Department of Environmental Protection
 
* DEP Home * About DEP * Programs * Contact * Site Map * Search
Programs


Assistance

Get Adobe Reader Icon

Unless indicated, documents on this Web site are Adobe Acrobat files, and require the free reader software.

 

 

Air Quality Icon

Air Quality Monitoring

Highest Readings by Year

Air Resource Management
Ad Hoc Reporting

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 2025

 

CO Averages

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

NOV-12 1.36 4.671
NOV-11 0.8 0.182
SEP-11 0.45 0.356
SEP-17 0.34 0.617
SEP-24 0.34 0.758
JUN-14 0.33 0.109
SEP-21 0.33 0.658
JUN-15 0.32 1.867
SEP-20 0.32 0.624
SEP-23 0.32 0.267
Date
Max 1 Hour Avg

NOV-12 4.671
JUN-15 1.867
SEP-12 0.802
SEP-24 0.758
SEP-21 0.658
SEP-20 0.624
SEP-17 0.617
SEP-18 0.504
MAR-11 0.483
SEP-15 0.458

NO2 Averages

NO2 data below are shown in Parts Per Billion (PPB)
This site did not monitor NO2 during 2025

Ozone Averages

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

APR-17 64 67
FEB-26 56 62
APR-10 56 59
JUN-2 56 62
APR-11 55 59
APR-16 55 59
MAR-12 54 56
MAR-27 54 58
MAR-1 53 56
MAR-28 52 55
Date
Max 1 Hour Avg

APR-17 67
FEB-26 62
JUN-2 62
APR-10 59
APR-11 59
APR-16 59
MAR-27 58
MAR-2 57
MAR-1 56
MAR-12 56

 

PM 2.5 Averages

PM 2.5 data below are shown in Micrograms Per Cubic Meter (mg/m3)
Date
Daily Average
 

SEP-12 18.7  
APR-17 16.3  
MAR-2 16.2  
FEB-23 16.1  
MAR-27 15.7  
FEB-26 15  
APR-24 14.2  
MAR-16 13.9  
JUL-12 13.6  
APR-21 13.5  

 

PM 10 Averages

PM 10 data below are shown in Micrograms Per Cubic Meter (mg/m3)
This site did not monitor PM 10 during 2025

SO2 Averages

SO2 data below are shown in Parts Per Billion (PPB)
Date
Max Daily (24-Hour) Avg
1 Hour Avg

DEC-22 0.51 0.683
OCT-14 0.5 0.723
OCT-16 0.5 0.624
DEC-21 0.48 0.924
SEP-24 0.47 1.339
OCT-1 0.45 0.617
DEC-15 0.45 0.567
SEP-28 0.43 0.527
DEC-31 0.43 0.514
MAR-27 0.42 0.537
Date
Max 1 Hour Avg

JUN-7 3.867
JUN-8 1.406
SEP-24 1.339
AUG-27 1.278
DEC-21 0.924
JUN-6 0.893
APR-2 0.873
JAN-7 0.781
OCT-24 0.758
OCT-14 0.723

Federal Air Quality Standard
Go To Top

Elapsed time = 0 seconds

Last updated: March 02, 2017

New Page 1
  2600 Blair Stone Road, M.S. 5500   Tallahassee, Florida 32399-2400   850-717-9000 (phone) / 850-717-9001 (fax)
Accessibility Statement  Privacy Statement 
DEP Home | About DEP  | Contact Us | Search |  Site Map