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 Rancho Santa Margarita · updated 13 hr ago · showing last good readingAir quality
30GoodUS AQI
PM2.5 5μg/m³PM10 7μg/m³Ozone 79μg/m³NO₂ 1μg/m³
Water monitoring
Santiago C A Modjeska Ca · 8.1 km away
6.98 ftGage height
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M3.6strongest within 250 km
7 km S of Brawley, 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 30 (Good). Observed Aug 14, 3:00 PM.
5.0 μg/m³PM2.5
7.1 μg/m³PM10
79.0 μg/m³Ozone
1.0 μg/m³NO₂
0.5 μg/m³SO₂
97.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Santiago C A Modjeska Ca · 8.1 km away · 65 sites in range
6.98 ftGage height · Aug 14, 10:00 PM
Source: USGS Water Services ↗
Active weather alerts0
✓ No active National Weather Service alerts for this area.
Source: National Weather Service ↗
Earthquakes — last 30 days20
M2.6↗M2.6↗M3.0↗M2.9↗M2.5↗
28 km SSW of Ocotillo Wells, CA
Aug 13, 9:31 AM · 150 km away
9 km SW of Valencia, CA
Aug 12, 8:56 PM · 126 km away
10 km WSW of Corona, CA
Aug 12, 6:17 AM · 22 km away
11 km SW of Niland, CA
Aug 11, 8:34 PM · 192 km away
3 km N of Gardena, CA
Aug 3, 3:50 AM · 73 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.
El Toro Marine Corps Air Station
El Toro · NPL Site · 11 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 Aug 14, 10:33 PM (showing last good reading while refreshing). All data is public and carries no personal information.