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 11524816 | 1 hr | 0.003 | ppm | 0.090 | -- |
| O3 11524817 | 8 hr | 0.011 | ppm | 0.070 | 0.070 |
| PM10 11524819 | 24 hr | -- | ug/m3 | 50.0 | 150.0 |
| PM2.5 11524821 | 24 hr | 15.7 | ug/m3 | -- | 35.0 |
| NO2 11524822 | 1 hr | 0.051 | ppm | 0.180 | 0.100 |
| CO 11524823 | 1 hr | 1.2 | ppm | 20.0 | 35.0 |
| CO 11524824 | 8 hr | 1.2 | ppm | 9.0 | 9.0 |
| SO2 11524825 | 1 hr | 0.003 | ppm | -- | 0.075 |
| SO2 11524826 | 24 hr | 0.003 | ppm | 0.040 | 0.140 |
| Wind Speed 11524827 | 1 hr | 2.7 | mph | -- | -- |
| Wind Direction 11524828 | 1 hr | W | direction | -- | -- |
| BC 11524913 | 1 hr | 1.902 | ug/m3 | -- | -- |
| BC 11524914 | 24 hr | 2.518 | ug/m3 | -- | -- |
| Temperature 11524829 | 1 hr | 65.5° | deg F | -- | -- |
| Relative Humidity 11524830 | 1 hr | 39.0 | % | -- | -- |
| Rain 11524831 | 1 hr | 0.00 | in | -- | -- |
| Rain-Daily 11524832 | Daily Total | 0.01 | in | -- | -- |
| Rain-Monthly 11524833 | Monthly Total | 0.01 | in | -- | -- |
| Rain-Annual 11524834 | Annual Total | -- | in | -- | -- |