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 Martinez · updated 18 hr ago · showing last good readingAir quality
52ModerateUS AQI
PM2.5 12μg/m³PM10 16μg/m³Ozone 75μg/m³NO₂ 2μg/m³
Water monitoring
Suisun Bay A Benicia Bridge Nr Benicia Ca · 2.9 km away
20.4 deg CWater temperature
27400 uS/cm @25CSpecific conductance
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 52 (Moderate). Observed Aug 31, 5:00 PM.
11.6 μg/m³PM2.5
16.4 μg/m³PM10
75.0 μg/m³Ozone
2.3 μg/m³NO₂
1.5 μg/m³SO₂
120.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Suisun Bay A Benicia Bridge Nr Benicia Ca · 2.9 km away · 87 sites in range
20.4 deg CWater temperature · Sep 1, 12:00 AM
27400 uS/cm @25CSpecific conductance · Sep 1, 12:00 AM
Source: USGS Water Services ↗
Active weather alerts0
✓ No active National Weather Service alerts for this area.
Source: National Weather Service ↗
Earthquakes — last 30 days20
M2.7↗M2.7↗M2.7↗M2.8↗M2.5↗
22 km SE of Yosemite Valley, CA
Aug 28, 2:51 PM · 243 km away
6 km NNW of Redwood Valley, CA
Aug 28, 12:15 PM · 172 km away
4 km W of Walker, CA
Aug 24, 8:54 AM · 235 km away
10 km N of Lake Pillsbury, CA
Aug 23, 9:37 AM · 179 km away
2 km SE of Concord, CA
Aug 17, 8:18 AM · 14 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 · 12 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, 12:28 AM (showing last good reading while refreshing). All data is public and carries no personal information.