Historical Data
* The Coastal Boundary station was suspended in April 2020 (until further notice) due to future construction at the wharf.
* The Source-Dominated station was suspended in May 2021 (until further notice).
* ALL DATA IS PRELIMINARY. DATA IS PRESENTED IN PACIFIC STANDARD TIME EVEN DURING DAYLIGHT SAVINGS TIME.
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| Date | Monitored Parameter | Averaging Period | Value | Units | State Standard | Federal Standard | Air Quality Index |
|---|---|---|---|---|---|---|---|
| 05/12/21 00:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/12/21 01:00 | O3 | 1 hr | 0.033 | ppm | 0.090 | -- | -- |
| 05/12/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 05/12/21 03:00 | O3 | 1 hr | 0.034 | ppm | 0.090 | -- | -- |
| 05/12/21 04:00 | O3 | 1 hr | 0.035 | ppm | 0.090 | -- | -- |
| 05/12/21 05:00 | O3 | 1 hr | 0.038 | ppm | 0.090 | -- | -- |
| 05/12/21 06:00 | O3 | 1 hr | 0.030 | ppm | 0.090 | -- | -- |
| 05/12/21 07:00 | O3 | 1 hr | 0.031 | ppm | 0.090 | -- | -- |
| 05/12/21 08:00 | O3 | 1 hr | 0.029 | ppm | 0.090 | -- | -- |
| 05/12/21 09:00 | O3 | 1 hr | 0.031 | ppm | 0.090 | -- | -- |
| 05/12/21 10:00 | O3 | 1 hr | 0.038 | ppm | 0.090 | -- | -- |
| 05/12/21 11:00 | O3 | 1 hr | 0.041 | ppm | 0.090 | -- | -- |
| 05/12/21 12:00 | O3 | 1 hr | 0.044 | ppm | 0.090 | -- | -- |
| 05/12/21 13:00 | O3 | 1 hr | 0.042 | ppm | 0.090 | -- | -- |
| 05/12/21 14:00 | O3 | 1 hr | 0.043 | ppm | 0.090 | -- | -- |
| 05/12/21 15:00 | O3 | 1 hr | 0.043 | ppm | 0.090 | -- | -- |
| 05/12/21 16:00 | O3 | 1 hr | 0.040 | ppm | 0.090 | -- | -- |
| 05/12/21 17:00 | O3 | 1 hr | 0.041 | ppm | 0.090 | -- | -- |
| 05/12/21 18:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 05/12/21 19:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 05/12/21 20:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 05/12/21 21:00 | O3 | 1 hr | 0.033 | ppm | 0.090 | -- | -- |
| 05/12/21 22:00 | O3 | 1 hr | 0.035 | ppm | 0.090 | -- | -- |
| 05/12/21 23:00 | O3 | 1 hr | 0.037 | ppm | 0.090 | -- | -- |
| 05/13/21 00:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/13/21 01:00 | O3 | 1 hr | 0.038 | ppm | 0.090 | -- | -- |
| 05/13/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 05/13/21 03:00 | O3 | 1 hr | 0.042 | ppm | 0.090 | -- | -- |
| 05/13/21 04:00 | O3 | 1 hr | 0.040 | ppm | 0.090 | -- | -- |
| 05/13/21 05:00 | O3 | 1 hr | 0.038 | ppm | 0.090 | -- | -- |
| 05/13/21 06:00 | O3 | 1 hr | 0.035 | ppm | 0.090 | -- | -- |
| 05/13/21 07:00 | O3 | 1 hr | 0.031 | ppm | 0.090 | -- | -- |
| 05/13/21 08:00 | O3 | 1 hr | 0.029 | ppm | 0.090 | -- | -- |
| 05/13/21 09:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 05/13/21 10:00 | O3 | 1 hr | 0.029 | ppm | 0.090 | -- | -- |
| 05/13/21 11:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 05/13/21 12:00 | O3 | 1 hr | 0.041 | ppm | 0.090 | -- | -- |
| 05/13/21 13:00 | O3 | 1 hr | 0.043 | ppm | 0.090 | -- | -- |
| 05/13/21 14:00 | O3 | 1 hr | 0.044 | ppm | 0.090 | -- | -- |
| 05/13/21 15:00 | O3 | 1 hr | 0.046 | ppm | 0.090 | -- | -- |
| 05/13/21 16:00 | O3 | 1 hr | 0.045 | ppm | 0.090 | -- | -- |
| 05/13/21 17:00 | O3 | 1 hr | 0.042 | ppm | 0.090 | -- | -- |
| 05/13/21 18:00 | O3 | 1 hr | 0.043 | ppm | 0.090 | -- | -- |
| 05/13/21 19:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 05/13/21 20:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 05/13/21 21:00 | O3 | 1 hr | 0.040 | ppm | 0.090 | -- | -- |
| 05/13/21 22:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 05/13/21 23:00 | O3 | 1 hr | 0.041 | ppm | 0.090 | -- | -- |
| 05/14/21 00:00 | O3 | 1 hr | 0.040 | ppm | 0.090 | -- | -- |
| 05/14/21 01:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 05/14/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 05/14/21 03:00 | O3 | 1 hr | 0.044 | ppm | 0.090 | -- | -- |
| 05/14/21 04:00 | O3 | 1 hr | 0.041 | ppm | 0.090 | -- | -- |
| 05/14/21 05:00 | O3 | 1 hr | 0.040 | ppm | 0.090 | -- | -- |
| 05/14/21 06:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/14/21 07:00 | O3 | 1 hr | 0.031 | ppm | 0.090 | -- | -- |
| 05/14/21 08:00 | O3 | 1 hr | 0.033 | ppm | 0.090 | -- | -- |
| 05/14/21 09:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/14/21 10:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/14/21 11:00 | O3 | 1 hr | 0.037 | ppm | 0.090 | -- | -- |
| 05/14/21 12:00 | O3 | 1 hr | 0.046 | ppm | 0.090 | -- | -- |
| 05/14/21 13:00 | O3 | 1 hr | 0.045 | ppm | 0.090 | -- | -- |
| 05/14/21 14:00 | O3 | 1 hr | 0.042 | ppm | 0.090 | -- | -- |
| 05/14/21 15:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 05/14/21 16:00 | O3 | 1 hr | 0.038 | ppm | 0.090 | -- | -- |
| 05/14/21 17:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/14/21 18:00 | O3 | 1 hr | 0.030 | ppm | 0.090 | -- | -- |
| 05/14/21 19:00 | O3 | 1 hr | 0.034 | ppm | 0.090 | -- | -- |
| 05/14/21 20:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 05/14/21 21:00 | O3 | 1 hr | 0.027 | ppm | 0.090 | -- | -- |
| 05/14/21 22:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/14/21 23:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/15/21 00:00 | O3 | 1 hr | 0.040 | ppm | 0.090 | -- | -- |
| 05/15/21 01:00 | O3 | 1 hr | 0.042 | ppm | 0.090 | -- | -- |
| 05/15/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 05/15/21 03:00 | O3 | 1 hr | 0.034 | ppm | 0.090 | -- | -- |
| 05/15/21 04:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/15/21 05:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/15/21 06:00 | O3 | 1 hr | 0.038 | ppm | 0.090 | -- | -- |
| 05/15/21 07:00 | O3 | 1 hr | 0.042 | ppm | 0.090 | -- | -- |
| 05/15/21 08:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 05/15/21 09:00 | O3 | 1 hr | 0.037 | ppm | 0.090 | -- | -- |
| 05/15/21 10:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 05/15/21 11:00 | O3 | 1 hr | 0.042 | ppm | 0.090 | -- | -- |
| 05/15/21 12:00 | O3 | 1 hr | 0.034 | ppm | 0.090 | -- | -- |
| 05/15/21 13:00 | O3 | 1 hr | 0.040 | ppm | 0.090 | -- | -- |
| 05/15/21 14:00 | O3 | 1 hr | 0.042 | ppm | 0.090 | -- | -- |
| 05/15/21 15:00 | O3 | 1 hr | 0.043 | ppm | 0.090 | -- | -- |
| 05/15/21 16:00 | O3 | 1 hr | 0.043 | ppm | 0.090 | -- | -- |
| 05/15/21 17:00 | O3 | 1 hr | 0.040 | ppm | 0.090 | -- | -- |
| 05/15/21 18:00 | O3 | 1 hr | 0.035 | ppm | 0.090 | -- | -- |
| 05/15/21 19:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/15/21 20:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 05/15/21 21:00 | O3 | 1 hr | 0.037 | ppm | 0.090 | -- | -- |
| 05/15/21 22:00 | O3 | 1 hr | 0.043 | ppm | 0.090 | -- | -- |
| 05/15/21 23:00 | O3 | 1 hr | 0.038 | ppm | 0.090 | -- | -- |
| 05/16/21 00:00 | O3 | 1 hr | 0.033 | ppm | 0.090 | -- | -- |
| 05/16/21 01:00 | O3 | 1 hr | 0.037 | ppm | 0.090 | -- | -- |
| 05/16/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 05/16/21 03:00 | O3 | 1 hr | 0.028 | ppm | 0.090 | -- | -- |
| 05/16/21 04:00 | O3 | 1 hr | 0.029 | ppm | 0.090 | -- | -- |
| 05/16/21 05:00 | O3 | 1 hr | 0.028 | ppm | 0.090 | -- | -- |
| 05/16/21 06:00 | O3 | 1 hr | 0.026 | ppm | 0.090 | -- | -- |
| 05/16/21 07:00 | O3 | 1 hr | 0.034 | ppm | 0.090 | -- | -- |
| 05/16/21 08:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 05/16/21 09:00 | O3 | 1 hr | 0.038 | ppm | 0.090 | -- | -- |
| 05/16/21 10:00 | O3 | 1 hr | 0.042 | ppm | 0.090 | -- | -- |
| 05/16/21 11:00 | O3 | 1 hr | 0.042 | ppm | 0.090 | -- | -- |
| 05/16/21 12:00 | O3 | 1 hr | 0.042 | ppm | 0.090 | -- | -- |
| 05/16/21 13:00 | O3 | 1 hr | 0.043 | ppm | 0.090 | -- | -- |
| 05/16/21 14:00 | O3 | 1 hr | 0.043 | ppm | 0.090 | -- | -- |
| 05/16/21 15:00 | O3 | 1 hr | 0.041 | ppm | 0.090 | -- | -- |
| 05/16/21 16:00 | O3 | 1 hr | 0.041 | ppm | 0.090 | -- | -- |
| 05/16/21 17:00 | O3 | 1 hr | 0.042 | ppm | 0.090 | -- | -- |
| 05/16/21 18:00 | O3 | 1 hr | 0.038 | ppm | 0.090 | -- | -- |
| 05/16/21 19:00 | O3 | 1 hr | 0.033 | ppm | 0.090 | -- | -- |
| 05/16/21 20:00 | O3 | 1 hr | 0.035 | ppm | 0.090 | -- | -- |
| 05/16/21 21:00 | O3 | 1 hr | 0.035 | ppm | 0.090 | -- | -- |
| 05/16/21 22:00 | O3 | 1 hr | 0.037 | ppm | 0.090 | -- | -- |
| 05/16/21 23:00 | O3 | 1 hr | 0.038 | ppm | 0.090 | -- | -- |
| 05/17/21 00:00 | O3 | 1 hr | 0.041 | ppm | 0.090 | -- | -- |
| 05/17/21 01:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 05/17/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 05/17/21 03:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 05/17/21 04:00 | O3 | 1 hr | 0.040 | ppm | 0.090 | -- | -- |
| 05/17/21 05:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/17/21 06:00 | O3 | 1 hr | 0.035 | ppm | 0.090 | -- | -- |
| 05/17/21 07:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 05/17/21 08:00 | O3 | 1 hr | 0.030 | ppm | 0.090 | -- | -- |
| 05/17/21 09:00 | O3 | 1 hr | 0.031 | ppm | 0.090 | -- | -- |
| 05/17/21 10:00 | O3 | 1 hr | 0.029 | ppm | 0.090 | -- | -- |
| 05/17/21 11:00 | O3 | 1 hr | 0.031 | ppm | 0.090 | -- | -- |
| 05/17/21 12:00 | O3 | 1 hr | 0.033 | ppm | 0.090 | -- | -- |
| 05/17/21 13:00 | O3 | 1 hr | 0.034 | ppm | 0.090 | -- | -- |
| 05/17/21 14:00 | O3 | 1 hr | 0.030 | ppm | 0.090 | -- | -- |
| 05/17/21 15:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 05/17/21 16:00 | O3 | 1 hr | 0.035 | ppm | 0.090 | -- | -- |
| 05/17/21 17:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/17/21 18:00 | O3 | 1 hr | 0.028 | ppm | 0.090 | -- | -- |
| 05/17/21 19:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 05/17/21 20:00 | O3 | 1 hr | 0.026 | ppm | 0.090 | -- | -- |
| 05/17/21 21:00 | O3 | 1 hr | 0.023 | ppm | 0.090 | -- | -- |
| 05/17/21 22:00 | O3 | 1 hr | 0.022 | ppm | 0.090 | -- | -- |
| 05/17/21 23:00 | O3 | 1 hr | 0.030 | ppm | 0.090 | -- | -- |
| 05/18/21 00:00 | O3 | 1 hr | 0.022 | ppm | 0.090 | -- | -- |
| 05/18/21 01:00 | O3 | 1 hr | 0.014 | ppm | 0.090 | -- | -- |
| 05/18/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 05/18/21 03:00 | O3 | 1 hr | 0.022 | ppm | 0.090 | -- | -- |
| 05/18/21 04:00 | O3 | 1 hr | 0.018 | ppm | 0.090 | -- | -- |
| 05/18/21 05:00 | O3 | 1 hr | 0.016 | ppm | 0.090 | -- | -- |
| 05/18/21 06:00 | O3 | 1 hr | 0.014 | ppm | 0.090 | -- | -- |
| 05/18/21 07:00 | O3 | 1 hr | 0.015 | ppm | 0.090 | -- | -- |
| 05/18/21 08:00 | O3 | 1 hr | 0.016 | ppm | 0.090 | -- | -- |
| 05/18/21 09:00 | O3 | 1 hr | 0.018 | ppm | 0.090 | -- | -- |
| 05/18/21 10:00 | O3 | 1 hr | 0.030 | ppm | 0.090 | -- | -- |
| 05/18/21 11:00 | O3 | 1 hr | 0.036 | ppm | 0.090 | -- | -- |
| 05/18/21 12:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 05/18/21 13:00 | O3 | 1 hr | 0.044 | ppm | 0.090 | -- | -- |
| 05/18/21 14:00 | O3 | 1 hr | 0.044 | ppm | 0.090 | -- | -- |
| 05/18/21 15:00 | O3 | 1 hr | 0.041 | ppm | 0.090 | -- | -- |
| 05/18/21 16:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |