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: Daniela Banu (NCore)
 Ad Hoc Reporting

AQS # L011-0034
Daniela Banu (NCore)

10 Highest Daily Averages for Year 2020


CO Averages

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

FEB-03 0.8 0.858
FEB-04 0.7 0.849
DEC-05 0.7 0.863
DEC-04 0.7 0.618
DEC-12 0.7 0.766
DEC-13 0.7 0.750
DEC-19 0.7 0.690
NOV-28 0.6 0.707
NOV-27 0.6 0.658
DEC-20 0.6 0.768
 
Date
Max 1 Hour Average
 

DEC-05 0.863  
FEB-03 0.858  
FEB-04 0.849  
DEC-20 0.768  
DEC-12 0.766  
DEC-13 0.750  
NOV-28 0.707  
DEC-19 0.690  
NOV-27 0.658  
NOV-29 0.657  

NO2 Averages

NO2 data below are shown in Parts Per Billion (PPB)
This site did not monitor NO2 during 2020.

Ozone Averages

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

APR-03 63 66
APR-22 62 65
MAY-02 61 65
APR-02 60 62
APR-04 60 67
MAY-04 60 69
MAY-01 58 63
APR-27 57 63
MAY-03 57 60
MAY-05 57 68
 
Date
Max 1 Hour Average
 

MAY-04 69  
MAY-05 68  
APR-04 67  
JUL-15 67  
APR-03 66  
MAY-09 66  
APR-22 65  
MAY-02 65  
APR-27 63  
MAY-01 63  

PM 2.5 Averages

PM 2.5 data below are shown in Micrograms Per Cubic Meter (μg/m3)
Date
Daily Average
 
JUL-05 38.4  
SEP-04 25.9  
SEP-03 22.7  
JUL-09 20.7  
JUL-04 20  
APR-13 19.1  
APR-15 17.6  
JUN-13 16.1  
APR-10 15.8  
SEP-02 15.7  
* = Value Not Available

PM 10 Averages

PM 10 data below are shown in Micrograms Per Cubic Meter (μg/m3)
Date
Daily Average
 
SEP-04 91.9  
SEP-03 79.1  
JUL-09 65  
JUL-05 55.8  
SEP-02 51.5  
AUG-21 45.1  
JUL-28 44.4  
JUL-04 42.2  
JUN-30 41.7  
AUG-25 40.6  
* = Value Not Available

SO2 Averages

SO2 data below are shown in Parts Per Billion (PPB)
Date
Max Daily (24-Hour) Average
1 Hour Average
FEB-29 1.290 1.513
FEB-28 1.260 1.488
JAN-01 1.250 1.349
FEB-04 1.240 1.338
MAR-01 1.230 1.262
MAR-02 1.230 1.357
MAR-08 1.230 1.264
JAN-02 1.220 1.307
JAN-16 1.220 1.299
JAN-26 1.220 1.302

Date
Max 1 Hour Average
 
APR-20 1.983  
FEB-29 1.513  
FEB-28 1.488  
MAY-20 1.377  
MAR-02 1.357  
JAN-01 1.349  
FEB-04 1.338  
FEB-27 1.318  
FEB-03 1.314  
JAN-02 1.307  
* = Value Not Available

Federal Air Quality Standard
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