Environmental watch

What's in the air, water, and ground around here.

Live environmental OSINT for your community, pulled from public federal feeds — the EPA, the USGS, and the National Weather Service. No account, no tracking; every number links back to its public source. Auto-refreshes about every 30 minutes.

🌎 Environmental watch

Live public data for San Francisco · updated 16 hr ago · showing last good reading

Air quality

52ModerateUS AQI

PM2.5 10μg/m³PM10 15μg/m³Ozone 55μg/m³NO₂ 8μg/m³

Water monitoring

San Francisco Bay A Pier 17 A San Francisco Ca · 3.7 km away

17.5 deg CWater temperature

46800 uS/cm @25CSpecific conductance

Active alerts

ModerateBeach Hazards Statement

Earthquakes · 30 days

M3.9strongest within 250 km

6 km NW of Pinnacles, CA

20 quakes ≥ M2.5

Superfund sites

99active in CA

Nearest: Hunters Point Naval Shipyard · 7 km →

Sources: Open-Meteo Air Quality, USGS Water Services, National Weather Service, USGS Earthquake Catalog, EPA National Priorities List. All public, no personal data.

Air quality — full readout

US Air Quality Index 52 (Moderate). Observed Sep 2, 10:00 PM.

10.0 μg/m³PM2.5

15.2 μg/m³PM10

55.0 μg/m³Ozone

8.0 μg/m³NO₂

1.5 μg/m³SO₂

131.0 μg/m³CO

Source: Open-Meteo Air Quality ↗

Water monitoring — nearest site

San Francisco Bay A Pier 17 A San Francisco Ca · 3.7 km away · 65 sites in range

17.5 deg CWater temperature · Sep 3, 4:45 AM

46800 uS/cm @25CSpecific conductance · Sep 3, 4:45 AM

Source: USGS Water Services ↗

Active weather alerts1

ModerateBeach Hazards Statementuntil Sep 8, 6:00 AM

Beach Hazards Statement issued September 2 at 9:26PM PDT until September 7 at 11:00PM PDT by NWS San Francisco CA

San Francisco; Coastal North Bay Including Point Reyes National Seashore; San Francisco Peninsula Coast; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast

Source: National Weather Service ↗