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 2024


CO Averages

CO data below are shown in Parts Per Million (PPM)
This site did not monitor CO during 2024.

NO2 Averages

NO2 data below are shown in Parts Per Billion (PPB)
This site did not monitor NO2 during 2024.

Ozone Averages

Ozone data below are shown in Parts Per Billion (PPB)
This site did not monitor Ozone during 2024.

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 2024.

PM 10 Averages

PM 10 data below are shown in Micrograms Per Cubic Meter (μg/m3)
This site did not monitor PM 10 during 2024.

SO2 Averages

SO2 data below are shown in Parts Per Billion (PPB)
Date
Max Daily (24-Hour) Average
1 Hour Average
NOV-21 10.130 31.500
JAN-13 5.590 39.000
AUG-28 5.530 63.400
APR-12 5.060 23.600
APR-22 4.980 19.000
DEC-11 4.640 22.000
MAR-28 4.600 13.600
DEC-03 4.050 28.700
JAN-29 3.730 13.100
NOV-22 3.660 17.800

Date
Max 1 Hour Average
 
AUG-28 63.400  
OCT-30 47.500  
JAN-13 39.000  
JUL-04 32.100  
NOV-21 31.500  
JUN-02 30.100  
DEC-03 28.700  
NOV-23 25.800  
FEB-06 24.800  
MAR-19 23.900  
* = Value Not Available

Federal Air Quality Standard
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