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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: Sydney
Ad Hoc Reporting

AQS # L057-3002

Sydney

 

10 Highest Daily Averages for Year 2014

 

CO Averages

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

DEC-15 0.44 0.513
DEC-21 0.42 0.472
DEC-12 0.41 0.502
DEC-20 0.41 0.432
OCT-27 0.38 0.41
JAN-18 0.37 0.404
MAR-31 0.36 0.417
DEC-13 0.36 0.417
DEC-16 0.36 0.428
APR-1 0.35 0.405
Date
Max 1 Hour Avg

DEC-15 0.513
APR-4 0.503
DEC-12 0.502
OCT-19 0.473
DEC-21 0.472
DEC-20 0.432
JUL-18 0.431
DEC-16 0.428
MAR-31 0.417
DEC-13 0.417

NO2 Averages

NO2 data below are shown in Parts Per Billion (PPB)
This site did not monitor NO2 during 2014

Ozone Averages

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

MAY-24 75 80
APR-1 68 76
AUG-1 67 91
MAY-22 66 78
JUL-31 66 75
MAY-6 65 72
MAY-17 64 71
MAY-21 64 68
MAY-5 63 66
MAY-18 62 65
Date
Max 1 Hour Avg

AUG-1 91
JUN-9 82
JUL-21 82
MAY-24 80
JUL-22 79
MAY-22 78
APR-1 76
AUG-22 76
JUL-31 75
AUG-6 73

 

PM 2.5 Averages

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

JUN-25 29.2  
MAY-25 26.3  
DEC-13 25.9  
DEC-12 25.6  
JUN-24 24.2  
NOV-13 23.5  
MAY-24 22.7  
OCT-26 22.2  
NOV-12 22  
DEC-14 21.8  

 

PM 10 Averages

PM 10 data below are shown in Micrograms Per Cubic Meter (mg/m3)
This site did not monitor PM 10 during 2014

SO2 Averages

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

NOV-20 5 14
MAY-9 3 23
FEB-17 2 19
MAR-3 2 6
APR-5 2 10
SEP-6 2 11
SEP-13 2 9
OCT-14 2 10
OCT-25 2 17
JAN-4 1 5
Date
Max 1 Hour Avg

MAY-9 23
FEB-17 19
OCT-25 17
JUL-10 14
NOV-20 14
OCT-8 13
OCT-28 12
SEP-2 11
SEP-6 11
APR-5 10

Federal Air Quality Standard
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Last updated: March 02, 2017

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