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 Union City · updated 4 hr ago · showing last good readingAir quality
61ModerateUS AQI
PM2.5 12μg/m³PM10 15μg/m³Ozone 58μg/m³NO₂ 14μg/m³
Water monitoring
No live streamgage nearby.
Active alerts
- ModerateHeat Advisory
- MinorCoastal Flood Advisory
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 61 (Moderate). Observed Oct 1, 11:00 AM.
12.3 μg/m³PM2.5
15.4 μg/m³PM10
58.0 μg/m³Ozone
13.9 μg/m³NO₂
2.6 μg/m³SO₂
189.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Active weather alerts2
ModerateHeat Advisoryuntil Oct 5, 5:00 AM
Heat Advisory issued October 1 at 9:43AM PDT until October 4 at 10:00PM PDT by NWS San Francisco CA
Sonoma Coastal Range; North Bay Interior Mountains; San Francisco Bay Shoreline; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park
MinorCoastal Flood Advisoryuntil Oct 2, 12:00 AM
Coastal Flood Advisory issued September 30 at 3:46PM PDT until October 1 at 5:00PM PDT by NWS San Francisco CA
San Francisco; North Bay Interior Valleys; San Francisco Bay Shoreline; Northern Monterey Bay; Southern Monterey Bay and Big Sur Coast
Source: National Weather Service ↗
Earthquakes — last 30 days20
M3.0↗M2.6↗M2.6↗M2.6↗M2.6↗
8 km ESE of Cloverdale, CA
Sep 30, 9:07 PM · 153 km away
1 km SW of Anderson Springs, CA
Sep 30, 8:48 PM · 143 km away
6 km W of Yountville, CA
Sep 29, 4:06 PM · 96 km away
9 km NW of Redwood Valley, CA
Sep 27, 7:10 PM · 220 km away
26 km WSW of Westley, CA
Sep 27, 2:40 PM · 55 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.
South Bay Asbestos Area
Alviso · NPL Site · 19 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 Oct 1, 6:25 PM (showing last good reading while refreshing). All data is public and carries no personal information.