Daily Highs
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* The Port of Los Angeles has completed the upgrade of its four station air quality monitoring network with new instrumentation and equipment. Click here for details.
* ALL DATA IS PRELIMINARY. DATA IS PRESENTED IN PACIFIC STANDARD TIME EVEN DURING DAYLIGHT SAVINGS TIME.
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| Date | Monitored Parameter | Max Value | Averaging Period | Units | State Standard | Federal Standard | Air Quality Index |
|---|---|---|---|---|---|---|---|
| 2023-11-24 | O3 | 0.042 | 1 hr | ppm | 0.090 | -- | -- |
| 2023-11-25 | O3 | 0.044 | 1 hr | ppm | 0.090 | -- | -- |
| 2023-11-26 | O3 | 0.036 | 1 hr | ppm | 0.090 | -- | -- |
| 2023-11-27 | O3 | 0.031 | 1 hr | ppm | 0.090 | -- | -- |
| 2023-11-28 | O3 | 0.032 | 1 hr | ppm | 0.090 | -- | -- |
| 2023-11-29 | O3 | 0.035 | 1 hr | ppm | 0.090 | -- | -- |
| 2023-11-30 | O3 | 0.037 | 1 hr | ppm | 0.090 | -- | -- |