Current 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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Inner Harbor - O3 (1 hr)
| Monitored Parameter | Averaging Period | Current Value | Units | State Standard | Federal Standard |
|---|---|---|---|---|---|
| O3 11207778 | 1 hr | 0.030 | ppm | 0.090 | -- |
| O3 11207779 | 8 hr | 0.033 | ppm | 0.070 | 0.070 |
| PM10 11207781 | 24 hr | 23.5 | ug/m3 | 50.0 | 150.0 |
| PM2.5 11207783 | 24 hr | 8.5 | ug/m3 | -- | 35.0 |
| NO2 11207784 | 1 hr | 0.005 | ppm | 0.180 | 0.100 |
| CO 11207785 | 1 hr | 0.2 | ppm | 20.0 | 35.0 |
| CO 11207786 | 8 hr | 0.2 | ppm | 9.0 | 9.0 |
| SO2 11207787 | 1 hr | 0.002 | ppm | -- | 0.075 |
| SO2 11207788 | 24 hr | 0.003 | ppm | 0.040 | 0.140 |
| Wind Speed 11207789 | 1 hr | 1.9 | mph | -- | -- |
| Wind Direction 11207790 | 1 hr | NW | direction | -- | -- |
| BC 11207875 | 1 hr | 0.214 | ug/m3 | -- | -- |
| BC 11207876 | 24 hr | 0.550 | ug/m3 | -- | -- |
| Temperature 11207791 | 1 hr | 64.4° | deg F | -- | -- |
| Relative Humidity 11207792 | 1 hr | 76.3 | % | -- | -- |
| Rain 11207793 | 1 hr | 0.00 | in | -- | -- |
| Rain-Daily 11207794 | Daily Total | 0.00 | in | -- | -- |
| Rain-Monthly 11207795 | Monthly Total | 0.01 | in | -- | -- |
| Rain-Annual 11207796 | Annual Total | -- | in | -- | -- |