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: East Bay
 Ad Hoc Reporting

AQS # L057-0109
East Bay

10 Highest Daily Averages for Year 2020


CO Averages

CO data below are shown in Parts Per Million (PPM)
This site did not monitor CO during 2020.

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)
This site did not monitor Ozone during 2020.

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 2020.

PM 10 Averages

PM 10 data below are shown in Micrograms Per Cubic Meter (μg/m3)
This site did not monitor PM 10 during 2020.

SO2 Averages

SO2 data below are shown in Parts Per Billion (PPB)
Date
Max Daily (24-Hour) Average
1 Hour Average
FEB-29 12.860 42.400
MAR-06 12.320 46.100
DEC-25 10.910 34.400
DEC-01 9.480 33.000
FEB-27 9.440 52.700
DEC-21 8.800 38.400
JAN-25 5.600 25.600
MAY-01 5.550 20.200
OCT-30 4.690 17.400
APR-27 4.200 46.900

Date
Max 1 Hour Average
 
FEB-27 52.700  
APR-27 46.900  
MAR-06 46.100  
FEB-29 42.400  
DEC-21 38.400  
DEC-25 34.400  
DEC-01 33.000  
APR-26 31.100  
JAN-25 25.600  
JAN-05 25.200  
* = Value Not Available

Federal Air Quality Standard
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