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Air Resource Management
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Data on this page are updated daily when complete data are received. Data marked excluded have been omitted. 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. |
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Davis Island |
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| Ad Hoc Reporting | ||
AQS # L057-1035
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| Ozone | ||
| 2019, 2020, and 2021 data are needed to determine an area's attainment status with the 8-hr ozone standard. If the average is higher than 70 parts per billion, the area will not meet the ozone standard. | ||
| Year | 4th Highest 8hr Average (displayed in parts per billion) |
Date |
| 2022 | 62 | 17-MAR |
| 2021 | 55 | 14-APR |
| 2020 | 58 | 04-APR |
| 2019 | 62 | 26-SEP |
| 2021 3-Year Attainment Average = | 58 | |
| 2022 Year-to-Date 3-Year Running Average = | 58 | |
| SO2 | ||
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1-Hour Standard (75 ppb). The 1-hour standard comparison is based on the three-year average of the annual 99th
percentile of the daily maximum 1-hour average concentrations. If the average is higher than 75 parts per billion,
the area will not meet the SO2 standard. |
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| Year | Three-year average Attainment value (displayed in parts per billion) |
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| 2022 | * | |
| NO2 | ||
| NO2 is not monitored at this site. | ||
| CO | ||
| CO is not monitored at this site. | ||
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| * = Data Not Available | ||