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 Walnut Creek · updated 43 min ago · showing last good readingAir quality
54ModerateUS AQI
PM2.5 16μg/m³PM10 21μg/m³Ozone 37μg/m³NO₂ 20μg/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 54 (Moderate). Observed Sep 2, 9:00 AM.
15.7 μg/m³PM2.5
21.0 μg/m³PM10
37.0 μg/m³Ozone
19.9 μg/m³NO₂
1.9 μg/m³SO₂
159.0 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
M3.0↗M2.6↗M2.7↗M2.7↗M2.7↗
4 km WSW of Hamilton City, CA
Sep 2, 8:18 AM · 203 km away
2 km N of Middletown, CA
Sep 2, 3:49 AM · 107 km away
22 km SE of Yosemite Valley, CA
Aug 28, 2:51 PM · 235 km away
6 km NNW of Redwood Valley, CA
Aug 28, 12:15 PM · 186 km away
4 km W of Walker, CA
Aug 24, 8:54 AM · 232 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.
Concord Naval Weapons Station
Concord · NPL Site · 17 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 2, 4:55 PM (showing last good reading while refreshing). All data is public and carries no personal information.