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 Sunnyvale · updated 2 hr ago · showing last good reading

Air quality

59ModerateUS AQI

PM2.5 16μg/m³PM10 20μg/m³Ozone 33μg/m³NO₂ 18μg/m³

Water monitoring

No live streamgage nearby.

Active alerts

ModerateHeat Advisory

Earthquakes · 30 days

M3.7strongest within 250 km

10 km W of Boonville, CA

20 quakes ≥ M2.5

Superfund sites

99active in CA

Nearest: Westinghouse Electric Corp. (Sunnyvale Plant) · 2 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 59 (Moderate). Observed Oct 1, 9:00 AM.

16.3 μg/m³PM2.5

19.9 μg/m³PM10

33.0 μg/m³Ozone

17.9 μg/m³NO₂

1.7 μg/m³SO₂

176.0 μg/m³CO

Source: Open-Meteo Air Quality ↗

Active weather alerts1

ModerateHeat Advisoryuntil Oct 5, 5:00 AM

Heat Advisory issued October 1 at 9:43AM PDT until October 4 at 10:00PM PDT by NWS San Francisco CA

Sonoma Coastal Range; North Bay Interior Mountains; San Francisco Bay Shoreline; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park

Source: National Weather Service ↗