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 2016


CO Averages

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

JAN-31 0.5 0.601
JAN-30 0.5 0.547
JAN-01 0.5 0.547
JAN-20 0.4 0.449
JAN-29 0.4 0.372
DEC-30 0.4 0.772
JAN-21 0.4 0.535
NOV-11 0.4 0.453
NOV-12 0.4 0.441
NOV-18 0.4 0.420
 
Date
Max 1 Hour Average
 

DEC-30 0.772  
JUN-14 0.618  
JAN-31 0.601  
DEC-31 0.556  
JAN-01 0.547  
JAN-30 0.547  
JAN-21 0.535  
DEC-13 0.493  
JUL-08 0.491  
JAN-25 0.456  

NO2 Averages

NO2 data below are shown in Parts Per Billion (PPB)
This site did not monitor NO2 during 2016.

Ozone Averages

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

MAY-23 70 82
MAY-24 70 73
APR-26 67 73
MAY-08 66 71
MAY-09 66 71
MAY-25 65 72
APR-08 64 70
MAY-12 64 78
MAR-22 63 79
MAY-10 63 71
 
Date
Max 1 Hour Average
 

MAY-23 82  
MAY-11 80  
MAR-22 79  
MAY-12 78  
JUN-17 78  
JUN-23 74  
JUN-28 74  
APR-26 73  
MAY-24 73  
NOV-11 73  

PM 2.5 Averages

PM 2.5 data below are shown in Micrograms Per Cubic Meter (μg/m3)
Date
Daily Average
 
NOV-18 21  
JAN-31 20  
NOV-11 18.2  
NOV-12 18.2  
JAN-01 17.7  
NOV-19 17.5  
NOV-17 16.6  
NOV-15 16.5  
JAN-13 16.4  
NOV-14 16.3  
* = 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 2016.

SO2 Averages

SO2 data below are shown in Parts Per Billion (PPB)
Date
Max Daily (24-Hour) Average
1 Hour Average
JUL-16 1.710 7.000
JUL-25 1.540 7.000
APR-11 1.380 6.000
MAY-10 1.300 9.000
FEB-02 1.240 6.000
JUL-26 1.170 10.000
APR-21 1.130 3.000
APR-25 1.080 4.000
NOV-09 1.080 8.000
JAN-31 1.040 9.000

Date
Max 1 Hour Average
 
MAR-24 11.000  
AUG-12 11.000  
JUL-26 10.000  
JAN-31 9.000  
MAY-10 9.000  
AUG-01 9.000  
NOV-09 8.000  
JAN-13 7.000  
JAN-21 7.000  
JAN-22 7.000  
* = Value Not Available

Federal Air Quality Standard
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