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 14 hr ago · showing last good readingAir quality
55ModerateUS AQI
PM2.5 15μg/m³PM10 16μg/m³Ozone 8μg/m³NO₂ 41μg/m³
Water monitoring
Suisun Bay A Benicia Bridge Nr Benicia Ca · 15.9 km away
19.6 deg CWater temperature
18600 uS/cm @25CSpecific conductance
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M3.7strongest within 250 km
10 km W of Boonville, CA
18 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 55 (Moderate). Observed Sep 29, 2:00 AM.
14.5 μg/m³PM2.5
15.8 μg/m³PM10
8.0 μg/m³Ozone
40.6 μg/m³NO₂
1.1 μg/m³SO₂
169.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Suisun Bay A Benicia Bridge Nr Benicia Ca · 15.9 km away · 91 sites in range
19.6 deg CWater temperature · Sep 29, 8:00 AM
18600 uS/cm @25CSpecific conductance · Sep 29, 8:00 AM
Source: USGS Water Services ↗
Active weather alerts0
✓ No active National Weather Service alerts for this area.
Source: National Weather Service ↗
Earthquakes — last 30 days18
M2.6↗M2.6↗M3.3↗M2.7↗M3.7↗
9 km NW of Redwood Valley, CA
Sep 27, 7:10 PM · 189 km away
26 km WSW of Westley, CA
Sep 27, 2:40 PM · 76 km away
27 km WSW of Westley, CA
Sep 27, 2:21 PM · 77 km away
10 km W of Boonville, CA
Sep 26, 4:02 AM · 174 km away
10 km W of Boonville, CA
Sep 26, 3:42 AM · 174 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 29, 9:20 AM (showing last good reading while refreshing). All data is public and carries no personal information.