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 |
|---|---|---|---|---|---|---|---|
| 09/20/21 00:00 | O3 | 1 hr | 0.011 | ppm | 0.090 | -- | -- |
| 09/20/21 01:00 | O3 | 1 hr | 0.014 | ppm | 0.090 | -- | -- |
| 09/20/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 09/20/21 03:00 | O3 | 1 hr | 0.016 | ppm | 0.090 | -- | -- |
| 09/20/21 04:00 | O3 | 1 hr | 0.020 | ppm | 0.090 | -- | -- |
| 09/20/21 05:00 | O3 | 1 hr | 0.021 | ppm | 0.090 | -- | -- |
| 09/20/21 06:00 | O3 | 1 hr | 0.021 | ppm | 0.090 | -- | -- |
| 09/20/21 07:00 | O3 | 1 hr | 0.010 | ppm | 0.090 | -- | -- |
| 09/20/21 08:00 | O3 | 1 hr | 0.023 | ppm | 0.090 | -- | -- |
| 09/20/21 09:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 09/20/21 10:00 | O3 | 1 hr | 0.033 | ppm | 0.090 | -- | -- |
| 09/20/21 11:00 | O3 | 1 hr | 0.033 | ppm | 0.090 | -- | -- |
| 09/20/21 12:00 | O3 | 1 hr | 0.025 | ppm | 0.090 | -- | -- |
| 09/20/21 13:00 | O3 | 1 hr | 0.025 | ppm | 0.090 | -- | -- |
| 09/20/21 14:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 09/20/21 15:00 | O3 | 1 hr | 0.031 | ppm | 0.090 | -- | -- |
| 09/20/21 16:00 | O3 | 1 hr | 0.026 | ppm | 0.090 | -- | -- |
| 09/20/21 17:00 | O3 | 1 hr | 0.016 | ppm | 0.090 | -- | -- |
| 09/20/21 18:00 | O3 | 1 hr | 0.012 | ppm | 0.090 | -- | -- |
| 09/20/21 19:00 | O3 | 1 hr | 0.014 | ppm | 0.090 | -- | -- |
| 09/20/21 20:00 | O3 | 1 hr | 0.007 | ppm | 0.090 | -- | -- |
| 09/20/21 21:00 | O3 | 1 hr | 0.007 | ppm | 0.090 | -- | -- |
| 09/20/21 22:00 | O3 | 1 hr | 0.004 | ppm | 0.090 | -- | -- |
| 09/20/21 23:00 | O3 | 1 hr | 0.006 | ppm | 0.090 | -- | -- |
| 09/21/21 00:00 | O3 | 1 hr | 0.005 | ppm | 0.090 | -- | -- |
| 09/21/21 01:00 | O3 | 1 hr | 0.011 | ppm | 0.090 | -- | -- |
| 09/21/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 09/21/21 03:00 | O3 | 1 hr | 0.012 | ppm | 0.090 | -- | -- |
| 09/21/21 04:00 | O3 | 1 hr | 0.008 | ppm | 0.090 | -- | -- |
| 09/21/21 05:00 | O3 | 1 hr | 0.002 | ppm | 0.090 | -- | -- |
| 09/21/21 06:00 | O3 | 1 hr | 0.002 | ppm | 0.090 | -- | -- |
| 09/21/21 07:00 | O3 | 1 hr | 0.003 | ppm | 0.090 | -- | -- |
| 09/21/21 08:00 | O3 | 1 hr | 0.010 | ppm | 0.090 | -- | -- |
| 09/21/21 09:00 | O3 | 1 hr | 0.015 | ppm | 0.090 | -- | -- |
| 09/21/21 10:00 | O3 | 1 hr | 0.022 | ppm | 0.090 | -- | -- |
| 09/21/21 11:00 | O3 | 1 hr | 0.013 | ppm | 0.090 | -- | -- |
| 09/21/21 12:00 | O3 | 1 hr | 0.022 | ppm | 0.090 | -- | -- |
| 09/21/21 13:00 | O3 | 1 hr | 0.037 | ppm | 0.090 | -- | -- |
| 09/21/21 14:00 | O3 | 1 hr | 0.043 | ppm | 0.090 | -- | -- |
| 09/21/21 15:00 | O3 | 1 hr | 0.052 | ppm | 0.090 | -- | -- |
| 09/21/21 16:00 | O3 | 1 hr | 0.059 | ppm | 0.090 | -- | -- |
| 09/21/21 17:00 | O3 | 1 hr | 0.048 | ppm | 0.090 | -- | -- |
| 09/21/21 18:00 | O3 | 1 hr | 0.034 | ppm | 0.090 | -- | -- |
| 09/21/21 19:00 | O3 | 1 hr | 0.026 | ppm | 0.090 | -- | -- |
| 09/21/21 20:00 | O3 | 1 hr | 0.029 | ppm | 0.090 | -- | -- |
| 09/21/21 21:00 | O3 | 1 hr | 0.029 | ppm | 0.090 | -- | -- |
| 09/21/21 22:00 | O3 | 1 hr | 0.020 | ppm | 0.090 | -- | -- |
| 09/21/21 23:00 | O3 | 1 hr | 0.007 | ppm | 0.090 | -- | -- |
| 09/22/21 00:00 | O3 | 1 hr | 0.004 | ppm | 0.090 | -- | -- |
| 09/22/21 01:00 | O3 | 1 hr | 0.003 | ppm | 0.090 | -- | -- |
| 09/22/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 09/22/21 03:00 | O3 | 1 hr | 0.004 | ppm | 0.090 | -- | -- |
| 09/22/21 04:00 | O3 | 1 hr | 0.001 | ppm | 0.090 | -- | -- |
| 09/22/21 05:00 | O3 | 1 hr | 0.001 | ppm | 0.090 | -- | -- |
| 09/22/21 06:00 | O3 | 1 hr | 0.002 | ppm | 0.090 | -- | -- |
| 09/22/21 07:00 | O3 | 1 hr | 0.003 | ppm | 0.090 | -- | -- |
| 09/22/21 08:00 | O3 | 1 hr | 0.010 | ppm | 0.090 | -- | -- |
| 09/22/21 09:00 | O3 | 1 hr | 0.021 | ppm | 0.090 | -- | -- |
| 09/22/21 10:00 | O3 | 1 hr | 0.025 | ppm | 0.090 | -- | -- |
| 09/22/21 11:00 | O3 | 1 hr | 0.031 | ppm | 0.090 | -- | -- |
| 09/22/21 12:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 09/22/21 13:00 | O3 | 1 hr | 0.049 | ppm | 0.090 | -- | -- |
| 09/22/21 14:00 | O3 | 1 hr | 0.037 | ppm | 0.090 | -- | -- |
| 09/22/21 15:00 | O3 | 1 hr | 0.030 | ppm | 0.090 | -- | -- |
| 09/22/21 16:00 | O3 | 1 hr | 0.027 | ppm | 0.090 | -- | -- |
| 09/22/21 17:00 | O3 | 1 hr | 0.025 | ppm | 0.090 | -- | -- |
| 09/22/21 18:00 | O3 | 1 hr | 0.023 | ppm | 0.090 | -- | -- |
| 09/22/21 19:00 | O3 | 1 hr | 0.018 | ppm | 0.090 | -- | -- |
| 09/22/21 20:00 | O3 | 1 hr | 0.018 | ppm | 0.090 | -- | -- |
| 09/22/21 21:00 | O3 | 1 hr | 0.019 | ppm | 0.090 | -- | -- |
| 09/22/21 22:00 | O3 | 1 hr | 0.012 | ppm | 0.090 | -- | -- |
| 09/22/21 23:00 | O3 | 1 hr | 0.006 | ppm | 0.090 | -- | -- |
| 09/23/21 00:00 | O3 | 1 hr | 0.006 | ppm | 0.090 | -- | -- |
| 09/23/21 01:00 | O3 | 1 hr | 0.016 | ppm | 0.090 | -- | -- |
| 09/23/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 09/23/21 03:00 | O3 | 1 hr | 0.015 | ppm | 0.090 | -- | -- |
| 09/23/21 04:00 | O3 | 1 hr | 0.018 | ppm | 0.090 | -- | -- |
| 09/23/21 05:00 | O3 | 1 hr | 0.015 | ppm | 0.090 | -- | -- |
| 09/23/21 06:00 | O3 | 1 hr | 0.010 | ppm | 0.090 | -- | -- |
| 09/23/21 07:00 | O3 | 1 hr | 0.005 | ppm | 0.090 | -- | -- |
| 09/23/21 08:00 | O3 | 1 hr | 0.014 | ppm | 0.090 | -- | -- |
| 09/23/21 09:00 | O3 | 1 hr | 0.015 | ppm | 0.090 | -- | -- |
| 09/23/21 10:00 | O3 | 1 hr | 0.017 | ppm | 0.090 | -- | -- |
| 09/23/21 11:00 | O3 | 1 hr | 0.020 | ppm | 0.090 | -- | -- |
| 09/23/21 12:00 | O3 | 1 hr | 0.020 | ppm | 0.090 | -- | -- |
| 09/23/21 13:00 | O3 | 1 hr | 0.019 | ppm | 0.090 | -- | -- |
| 09/23/21 14:00 | O3 | 1 hr | 0.025 | ppm | 0.090 | -- | -- |
| 09/23/21 15:00 | O3 | 1 hr | 0.030 | ppm | 0.090 | -- | -- |
| 09/23/21 16:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 09/23/21 17:00 | O3 | 1 hr | 0.028 | ppm | 0.090 | -- | -- |
| 09/23/21 18:00 | O3 | 1 hr | 0.025 | ppm | 0.090 | -- | -- |
| 09/23/21 19:00 | O3 | 1 hr | 0.023 | ppm | 0.090 | -- | -- |
| 09/23/21 20:00 | O3 | 1 hr | 0.024 | ppm | 0.090 | -- | -- |
| 09/23/21 21:00 | O3 | 1 hr | 0.022 | ppm | 0.090 | -- | -- |
| 09/23/21 22:00 | O3 | 1 hr | 0.017 | ppm | 0.090 | -- | -- |
| 09/23/21 23:00 | O3 | 1 hr | 0.017 | ppm | 0.090 | -- | -- |
| 09/24/21 00:00 | O3 | 1 hr | 0.015 | ppm | 0.090 | -- | -- |
| 09/24/21 01:00 | O3 | 1 hr | 0.023 | ppm | 0.090 | -- | -- |
| 09/24/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 09/24/21 03:00 | O3 | 1 hr | 0.015 | ppm | 0.090 | -- | -- |
| 09/24/21 04:00 | O3 | 1 hr | 0.019 | ppm | 0.090 | -- | -- |
| 09/24/21 05:00 | O3 | 1 hr | 0.021 | ppm | 0.090 | -- | -- |
| 09/24/21 06:00 | O3 | 1 hr | 0.009 | ppm | 0.090 | -- | -- |
| 09/24/21 07:00 | O3 | 1 hr | 0.006 | ppm | 0.090 | -- | -- |
| 09/24/21 08:00 | O3 | 1 hr | 0.012 | ppm | 0.090 | -- | -- |
| 09/24/21 09:00 | O3 | 1 hr | 0.018 | ppm | 0.090 | -- | -- |
| 09/24/21 10:00 | O3 | 1 hr | 0.013 | ppm | 0.090 | -- | -- |
| 09/24/21 11:00 | O3 | 1 hr | 0.023 | ppm | 0.090 | -- | -- |
| 09/24/21 12:00 | O3 | 1 hr | 0.034 | ppm | 0.090 | -- | -- |
| 09/24/21 13:00 | O3 | 1 hr | 0.029 | ppm | 0.090 | -- | -- |
| 09/24/21 14:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 09/24/21 15:00 | O3 | 1 hr | 0.034 | ppm | 0.090 | -- | -- |
| 09/24/21 16:00 | O3 | 1 hr | 0.024 | ppm | 0.090 | -- | -- |
| 09/24/21 17:00 | O3 | 1 hr | 0.027 | ppm | 0.090 | -- | -- |
| 09/24/21 18:00 | O3 | 1 hr | 0.027 | ppm | 0.090 | -- | -- |
| 09/24/21 19:00 | O3 | 1 hr | 0.023 | ppm | 0.090 | -- | -- |
| 09/24/21 20:00 | O3 | 1 hr | 0.024 | ppm | 0.090 | -- | -- |
| 09/24/21 21:00 | O3 | 1 hr | 0.020 | ppm | 0.090 | -- | -- |
| 09/24/21 22:00 | O3 | 1 hr | 0.014 | ppm | 0.090 | -- | -- |
| 09/24/21 23:00 | O3 | 1 hr | 0.012 | ppm | 0.090 | -- | -- |
| 09/25/21 00:00 | O3 | 1 hr | 0.022 | ppm | 0.090 | -- | -- |
| 09/25/21 01:00 | O3 | 1 hr | 0.026 | ppm | 0.090 | -- | -- |
| 09/25/21 02:00 | O3 | 1 hr | -- | ppm | 0.090 | -- | -- |
| 09/25/21 03:00 | O3 | 1 hr | 0.031 | ppm | 0.090 | -- | -- |
| 09/25/21 04:00 | O3 | 1 hr | 0.023 | ppm | 0.090 | -- | -- |
| 09/25/21 05:00 | O3 | 1 hr | 0.021 | ppm | 0.090 | -- | -- |
| 09/25/21 06:00 | O3 | 1 hr | 0.017 | ppm | 0.090 | -- | -- |
| 09/25/21 07:00 | O3 | 1 hr | 0.021 | ppm | 0.090 | -- | -- |
| 09/25/21 08:00 | O3 | 1 hr | 0.022 | ppm | 0.090 | -- | -- |
| 09/25/21 09:00 | O3 | 1 hr | 0.015 | ppm | 0.090 | -- | -- |
| 09/25/21 10:00 | O3 | 1 hr | 0.019 | ppm | 0.090 | -- | -- |
| 09/25/21 11:00 | O3 | 1 hr | 0.023 | ppm | 0.090 | -- | -- |
| 09/25/21 12:00 | O3 | 1 hr | 0.034 | ppm | 0.090 | -- | -- |
| 09/25/21 13:00 | O3 | 1 hr | 0.038 | ppm | 0.090 | -- | -- |
| 09/25/21 14:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 09/25/21 15:00 | O3 | 1 hr | 0.039 | ppm | 0.090 | -- | -- |
| 09/25/21 16:00 | O3 | 1 hr | 0.037 | ppm | 0.090 | -- | -- |
| 09/25/21 17:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 09/25/21 18:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |
| 09/25/21 19:00 | O3 | 1 hr | 0.031 | ppm | 0.090 | -- | -- |
| 09/25/21 20:00 | O3 | 1 hr | 0.031 | ppm | 0.090 | -- | -- |
| 09/25/21 21:00 | O3 | 1 hr | 0.031 | ppm | 0.090 | -- | -- |
| 09/25/21 22:00 | O3 | 1 hr | 0.030 | ppm | 0.090 | -- | -- |
| 09/25/21 23:00 | O3 | 1 hr | 0.032 | ppm | 0.090 | -- | -- |