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 6 hr ago · showing last good readingAir quality
51ModerateUS AQI
PM2.5 12μg/m³PM10 16μg/m³Ozone 40μg/m³NO₂ 11μg/m³
Water monitoring
Salt Pond A4 Nr Alviso Ca · 6.5 km away
21.5 deg CWater temperature
47600 uS/cm @25CSpecific conductance
4.1 mg/lDissolved oxygen
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M3.9strongest within 250 km
6 km NW of Pinnacles, CA
20 quakes ≥ M2.5
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 51 (Moderate). Observed Sep 1, 5:00 AM.
11.5 μg/m³PM2.5
15.5 μg/m³PM10
40.0 μg/m³Ozone
11.2 μg/m³NO₂
1.0 μg/m³SO₂
130.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Salt Pond A4 Nr Alviso Ca · 6.5 km away · 65 sites in range
21.5 deg CWater temperature · Sep 1, 12:00 PM
47600 uS/cm @25CSpecific conductance · Sep 1, 12:00 PM
4.1 mg/lDissolved oxygen · Sep 1, 12:00 PM
Source: USGS Water Services ↗
Active weather alerts0
✓ No active National Weather Service alerts for this area.
Source: National Weather Service ↗
Earthquakes — last 30 days20
M2.7↗M2.7↗M2.8↗M2.8↗M2.5↗
22 km SE of Yosemite Valley, CA
Aug 28, 2:51 PM · 232 km away
6 km NNW of Redwood Valley, CA
Aug 28, 12:15 PM · 240 km away
10 km N of Lake Pillsbury, CA
Aug 23, 9:37 AM · 250 km away
4 km NW of Parkfield, CA
Aug 23, 12:47 AM · 213 km away
2 km SE of Concord, CA
Aug 17, 8:18 AM · 65 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.
Westinghouse Electric Corp. (Sunnyvale Plant)
Sunnyvale · NPL Site · 2 km away
The state’s energy ledger
What CA’s grid runs on, its EV fleet and charging network, and where its mandate stands — from the national Energy Ledger.
Open the CA energy dossier →Snapshot generated Sep 1, 12:11 PM (showing last good reading while refreshing). All data is public and carries no personal information.