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 Placentia · updated 7 hr ago · showing last good readingAir quality
60ModerateUS AQI
PM2.5 11μg/m³PM10 13μg/m³Ozone 74μg/m³NO₂ 25μg/m³
Water monitoring
No live streamgage nearby.
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M3.8strongest within 250 km
4 km SE of Piru, 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 60 (Moderate). Observed Sep 29, 8:00 PM.
11.3 μg/m³PM2.5
13.4 μg/m³PM10
74.0 μg/m³Ozone
24.5 μg/m³NO₂
2.1 μg/m³SO₂
201.0 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
M3.8↗M3.6↗M2.6↗M3.0↗M3.2↗
4 km SE of Piru, CA
Sep 30, 3:00 AM · 101 km away
7 km WSW of Hermosa Beach, CA
Sep 27, 3:40 PM · 55 km away
17 km WSW of Johannesburg, CA
Sep 24, 3:11 AM · 160 km away
17 km WSW of Johannesburg, CA
Sep 23, 8:44 PM · 160 km away
17 km WSW of Johannesburg, CA
Sep 23, 3:01 PM · 160 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.
Orange County North Basin
Orange County · NPL Site · 6 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 30, 3:37 AM (showing last good reading while refreshing). All data is public and carries no personal information.