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 Cupertino · updated 1 hr ago · showing last good readingAir quality
51ModerateUS AQI
PM2.5 7μg/m³PM10 10μg/m³Ozone 65μg/m³NO₂ 3μg/m³
Water monitoring
No live streamgage nearby.
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, 10:00 AM.
6.9 μg/m³PM2.5
9.8 μg/m³PM10
65.0 μg/m³Ozone
3.4 μg/m³NO₂
1.1 μg/m³SO₂
130.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
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↗M2.5↗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 · 245 km away
4 km NW of Parkfield, CA
Aug 23, 12:47 AM · 209 km away
2 km SE of Concord, CA
Aug 17, 8:18 AM · 70 km away
7 km SW of Atascadero, CA
Aug 16, 6:41 AM · 240 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.
Intersil Inc./Siemens Components
Cupertino · NPL Site · 3 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, 5:49 PM (showing last good reading while refreshing). All data is public and carries no personal information.