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: Sydney
 Ad Hoc Reporting

AQS # L057-3002
Sydney

10 Highest Daily Averages for Year 2011


CO Averages

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

DEC-31 0.8 0.517
JAN-29 0.5 0.910
JAN-30 0.5 0.869
FEB-14 0.4 0.481
FEB-15 0.4 0.517
MAR-12 0.4 0.419
MAR-25 0.4 0.389
MAR-26 0.4 0.438
MAY-07 0.4 0.382
MAY-08 0.4 0.455
 
Date
Max 1 Hour Average
 

JAN-29 0.910  
AUG-18 0.909  
JAN-30 0.869  
FEB-22 0.696  
SEP-16 0.542  
MAR-18 0.537  
JUN-17 0.532  
FEB-15 0.517  
DEC-31 0.517  
FEB-21 0.514  

NO2 Averages

NO2 data below are shown in Parts Per Billion (PPB)
This site did not monitor NO2 during 2011.

Ozone Averages

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

MAY-19 83 98
JUN-17 79 92
JUN-16 76 89
MAR-25 73 87
MAY-07 72 80
SEP-16 72 73
MAY-11 71 87
MAY-20 70 95
JUL-20 70 85
MAR-17 69 77
 
Date
Max 1 Hour Average
 

MAY-19 98  
MAY-20 95  
JUN-17 92  
MAY-21 91  
JUN-16 89  
MAR-25 87  
MAY-11 87  
JUL-20 85  
MAY-13 81  
MAY-07 80  

PM 2.5 Averages

PM 2.5 data below are shown in Micrograms Per Cubic Meter (μg/m3)
DEP records indicate this site should have been operating during 2011, but no PM 2.5 data was found.

PM 10 Averages

PM 10 data below are shown in Micrograms Per Cubic Meter (μg/m3)
This site did not monitor PM 10 during 2011.

SO2 Averages

SO2 data below are shown in Parts Per Billion (PPB)
Date
Max Daily (24-Hour) Average
1 Hour Average
APR-15 3.290 9.000
FEB-27 3.250 29.000
SEP-04 3.170 10.000
NOV-22 3.040 10.000
DEC-06 2.920 25.000
MAY-24 2.880 21.000
DEC-30 2.500 12.000
APR-18 2.420 7.000
APR-22 2.380 12.000
SEP-03 2.290 8.000

Date
Max 1 Hour Average
 
FEB-27 29.000  
DEC-06 25.000  
MAY-24 21.000  
JUL-23 14.000  
APR-23 13.000  
APR-22 12.000  
DEC-30 12.000  
JUL-04 11.000  
AUG-31 10.000  
SEP-04 10.000  
* = Value Not Available

Federal Air Quality Standard
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