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Current Conditions

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Here you'll find the latest readings from most of the Wired Pier sensors at Piers 15 and 17 in San Francisco. Most of the sensors update every five minutes (when they're working correctly), others only once per hour.

Together, the data paints a picture of the current state of the water and the atmosphere, and their dynamic patterns, cycles, and trends. Many water measurements fluctuate in response to the tides, while some air quality measurements are affected by heavy car and truck traffic on nearby streets.

 

Weather

Exploratorium Weather Station (Western Weather)
Temperature:59.4 °F | 15.2 °C
Relative humidity:79.4 %
Dew point:53.1 °F | 11.7 °C
Air pressure:29.96 in Hg | 1015 millibars
Wind speed:4.3 mph
1.9 m/sec
Wind direction: SW 239 degrees
Rain:0 inches
Sensor location:Pier 15, Bay Observatory, roof
Last update:2020-10-24T04:48:00Z

Bay Observatory Roofcam


Latest image of the view looking toward the Bay Bridge.
Sat, 16 Jan 2021 08:34:36 GMT
 

Air Quality

Air Quality Sensor (BEACON) (street side)
Air pressure:1015 millibars
Ozone (O3):-999 volts *
Carbon monoxide (CO):-999 volts *
Carbon dioxide (CO2):399.7 parts per million
Nitric oxide (NO):0.48 volts *
Nitrogen dioxide (NO2):-999 volts *
Particulate:0.8 %
Sensor location:Pier 15, Roof, near street
Last update:2020-09-17T17:40:00Z
Sensor and data courtesy of UC Berkeley Atmospheric CO2 Observation Network (BEACON)
Air Quality Sensor (BEACON) (Bay side)
Air pressure:1014 millibars
Ozone (O3):-999 volts *
Carbon monoxide (CO):-999 volts *
Carbon dioxide (CO2):477.8 parts per million
Nitric oxide (NO):0.35 volts *
Nitrogen dioxide (NO2):-999 volts *
Particulate:1.3 %
Sensor location:Pier 15, Bay Observatory, roof
Last update:2020-10-24T04:40:00Z
Sensor and data courtesy of UC Berkeley Atmospheric CO2 Observation Network (BEACON)
Carbon Dioxide Buoy
Atmospheric carbon dioxide (CO2):0 parts per million
Atmospheric pressure:0 millibars
Sensor location:Floating in Bay between Piers 15 and 17
Last update:
Sensor and data courtesy of NOAA Pacific Marine Environmental Laboratory

    *Relative values, not calibrated, not comparable to measurements in ppm.

 

Water Conditions

Bay Water Probe (SeaBird) (near surface)
Temperature:32 °F | 0 °C
Pressure:0 DeciBar
Dissolved oxygen (O2):0.1 mL/L
Salinity:22.2 PSU
Sensor location:Bay, between Piers 15 and 17
Last update:2020-10-24T04:54:00Z

 

Carbon Dioxide Buoy
Dissolved carbon dioxide (CO2):0 parts per thousand
Surface salinity:0 PSU
Sensor location:Floating in Bay between Piers 15 and 17
Last update:
Sensor and data courtesy of NOAA Pacific Marine Environmental Laboratory
Bay Water Probe (Turner C6P) (near surface)
Colored dissolved organic matter:0 RFU
Turbidity:0 RFU
Freshwater cyanobacteria (phycoerythrin):0 RFU
Marine cyanobacteria (phycocyanin):0 RFU
Refined oil:0 RFU
Crude oil:0 RFU
Tidal water depth:0.89 feet | 0.27 meters
Water temperature:54.32 °F | 12.4 °C
Sensor location:Bay, between Piers 15 and 17
Last update:2020-10-24T04:54:00Z
USGS Bay Water Probe (bottom)
Water temperature:59.9 °F | 15.5 °C
Salinity:32 PSU
Tidal water depth:23.4 feet | 7.13 meters
Turbidity:7 FNU
Dissolved oxygen (O2):89 %
Sensor location:Northeast corner of Pier 17, bottom of the Bay
Last update:2020-10-24T03:00:00Z
Sensor and data courtesy of US Geological Survey

 


Latest San Francisco Bay surface currents
Thu, 07 May 2020 20:34:43 GMT

Data Explorer

The Data Explorer lets you examine our environmental data archive. Compare different types of measurements—such as rainfall, water temperature, or carbon dioxide—and see what you can discover.

Explore the Data

If you'd like to access our detailed datasets and download raw data, please visit our ERDDAP server.

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