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: Davis Island
 Ad Hoc Reporting

AQS # L057-1035
Davis Island

10 Highest Daily Averages for Year 2012


CO Averages

CO data below are shown in Parts Per Million (PPM)
This site did not monitor CO during 2012.

NO2 Averages

NO2 data below are shown in Parts Per Billion (PPB)
This site did not monitor NO2 during 2012.

Ozone Averages

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

MAY-23 73 84
APR-27 71 92
APR-10 69 81
APR-25 68 78
JUN-28 68 83
APR-09 64 77
MAY-22 63 68
APR-13 62 68
MAY-21 62 66
JUN-29 62 77
 
Date
Max 1 Hour Average
 

APR-27 92  
MAY-23 84  
JUN-28 83  
APR-10 81  
APR-25 78  
APR-09 77  
JUN-29 77  
APR-13 68  
MAY-22 68  
SEP-21 68  

PM 2.5 Averages

PM 2.5 data below are shown in Micrograms Per Cubic Meter (μg/m3)
This site did not monitor PM 2.5 during 2012.

PM 10 Averages

PM 10 data below are shown in Micrograms Per Cubic Meter (μg/m3)
Date
Daily Average
 
JUL-20 60.6  
JUN-06 46.9  
JUL-04 43.3  
JAN-15 42.6  
APR-12 41.2  
JAN-01 39  
JUL-27 38.8  
MAR-06 36  
JUL-07 35  
OCT-17 35  
* = Value Not Available

SO2 Averages

SO2 data below are shown in Parts Per Billion (PPB)
Date
Max Daily (24-Hour) Average
1 Hour Average
JAN-20 9.130 30.000
JUL-05 7.710 37.000
JAN-29 7.040 36.000
AUG-23 6.790 49.000
SEP-01 4.670 26.000
NOV-25 4.500 27.000
MAR-11 4.210 18.000
JAN-09 4.170 14.000
JAN-14 4.170 35.000
JAN-24 4.130 20.000

Date
Max 1 Hour Average
 
AUG-23 49.000  
JUL-05 37.000  
JAN-29 36.000  
JAN-14 35.000  
JAN-20 30.000  
FEB-26 27.000  
NOV-25 27.000  
SEP-01 26.000  
JAN-21 24.000  
JAN-01 23.000  
* = Value Not Available

Federal Air Quality Standard
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