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 2022


CO Averages

CO data below are shown in Parts Per Million (PPM)
This site did not monitor CO during 2022.

NO2 Averages

NO2 data below are shown in Parts Per Billion (PPB)
This site did not monitor NO2 during 2022.

Ozone Averages

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

MAR-29 66 81
MAY-29 66 72
JUN-22 66 83
MAR-17 62 69
MAR-30 60 64
MAY-28 59 63
JUN-29 59 69
MAR-02 58 65
APR-19 58 66
JUN-20 58 69
 
Date
Max 1 Hour Average
 

JUN-22 83  
MAR-29 81  
JUN-15 73  
MAY-29 72  
JUN-30 71  
MAR-17 69  
JUN-20 69  
JUN-29 69  
MAY-14 68  
OCT-06 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 2022.

PM 10 Averages

PM 10 data below are shown in Micrograms Per Cubic Meter (μg/m3)
Date
Daily Average
 
AUG-10 66.6  
JUN-15 51.8  
MAR-04 51.4  
MAR-05 50.5  
JUL-29 49.3  
MAY-22 48.7  
JUL-28 48.7  
JUN-14 47.5  
APR-22 45.8  
APR-21 45.2  
* = Value Not Available

SO2 Averages

SO2 data below are shown in Parts Per Billion (PPB)
Date
Max Daily (24-Hour) Average
1 Hour Average
JUN-22 15.390 87.800
JAN-31 13.140 115.200
JUL-31 7.700 73.400
FEB-03 6.040 19.100
JUN-21 5.750 71.400
FEB-02 5.430 21.400
MAR-06 4.200 22.500
DEC-17 4.060 14.600
APR-12 3.800 12.600
MAR-30 3.660 *

Date
Max 1 Hour Average
 
JAN-31 115.200  
JUN-22 87.800  
JUL-31 73.400  
JUN-21 71.400  
MAR-29 26.400  
MAR-06 22.500  
FEB-02 21.400  
FEB-12 19.200  
FEB-03 19.100  
DEC-17 14.600  
* = Value Not Available

Federal Air Quality Standard
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