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 2023


CO Averages

CO data below are shown in Parts Per Million (PPM)
This site did not monitor CO during 2023.

NO2 Averages

NO2 data below are shown in Parts Per Billion (PPB)
This site did not monitor NO2 during 2023.

Ozone Averages

Ozone data below are shown in Parts Per Billion (PPB)
This site did not monitor Ozone during 2023.

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 2023.

PM 10 Averages

PM 10 data below are shown in Micrograms Per Cubic Meter (μg/m3)
This site did not monitor PM 10 during 2023.

SO2 Averages

SO2 data below are shown in Parts Per Billion (PPB)
Date
Max Daily (24-Hour) Average
1 Hour Average
OCT-16 13.330 52.300
JAN-26 12.010 68.200
JAN-13 8.310 58.000
APR-17 7.740 45.200
JAN-14 7.490 37.900
MAR-14 7.370 46.700
JUL-24 6.280 32.500
DEC-06 5.600 28.500
JUL-30 5.460 40.200
DEC-11 5.440 35.500

Date
Max 1 Hour Average
 
JAN-26 68.200  
JAN-13 58.000  
OCT-16 52.300  
AUG-16 47.500  
MAR-14 46.700  
APR-17 45.200  
MAY-23 44.800  
JUL-30 40.200  
FEB-17 39.100  
JAN-14 37.900  
* = Value Not Available

Federal Air Quality Standard
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