◉ Perfect World
San Ramon ▾
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 Ramon · updated 4 hr ago · showing last good reading
Air quality
57ModerateUS AQI
PM2.5 10μg/m³PM10 13μg/m³Ozone 89μg/m³NO₂ 10μg/m³
Water monitoring
No live streamgage nearby.
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M3.7strongest within 250 km
10 km W of Boonville, 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 57 (Moderate). Observed Sep 29, 12:00 PM.

10.0 μg/m³PM2.5
12.7 μg/m³PM10
89.0 μg/m³Ozone
10.0 μg/m³NO₂
2.3 μg/m³SO₂
137.0 μg/m³CO

Active weather alerts0

✓ No active National Weather Service alerts for this area.

Earthquakes — last 30 days20

M2.6
6 km W of Yountville, CA
Sep 29, 4:06 PM · 79 km away
↗
M2.6
9 km NW of Redwood Valley, CA
Sep 27, 7:10 PM · 205 km away
↗
M2.6
26 km WSW of Westley, CA
Sep 27, 2:40 PM · 61 km away
↗
M3.3
27 km WSW of Westley, CA
Sep 27, 2:21 PM · 61 km away
↗
M2.7
10 km W of Boonville, CA
Sep 26, 4:02 AM · 190 km away
↗

Superfund sites

99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.

Lawrence Livermore Laboratory (USDOE)
Livermore · NPL Site · 26 km away
Open →
See every Superfund site in CA →

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 29, 7:54 PM (showing last good reading while refreshing). All data is public and carries no personal information.