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 8 d ago · showing last good readingAir quality
56ModerateUS AQI
PM2.5 9μg/m³PM10 11μg/m³Ozone 98μg/m³NO₂ 2μg/m³
Water monitoring
Santiago C A Modjeska Ca · 8.1 km away
6.94 ftGage height
Active alerts
- SevereExtreme Heat Warning
- ModerateHeat Advisory
- UnknownAir Quality Alert
Earthquakes · 30 days
M3.6strongest within 250 km
14 km N of Warner Springs, CA
15 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 56 (Moderate). Observed Aug 24, 2:00 PM.
8.8 μg/m³PM2.5
11.3 μg/m³PM10
98.0 μg/m³Ozone
1.6 μg/m³NO₂
1.0 μg/m³SO₂
118.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Santiago C A Modjeska Ca · 8.1 km away · 64 sites in range
6.94 ftGage height · Aug 24, 9:00 PM
Source: USGS Water Services ↗
Active weather alerts3
SevereExtreme Heat Warninguntil Aug 29, 3:00 AM
Extreme Heat Warning issued August 24 at 2:08PM PDT until August 28 at 8:00PM PDT by NWS San Diego CA
Orange County Inland
ModerateHeat Advisoryuntil Aug 25, 5:00 PM
Heat Advisory issued August 24 at 2:08PM PDT until August 25 at 10:00AM PDT by NWS San Diego CA
Orange County Inland
UnknownAir Quality Alertuntil Aug 29, 3:00 AM
Air Quality Alert issued August 24 at 1:34PM PDT by NWS San Diego CA
San Bernardino and Riverside County Valleys-The Inland Empire; San Bernardino County Mountains; Coachella Valley; San Gorgonio Pass Near Banning; Orange County Inland
Source: National Weather Service ↗
Earthquakes — last 30 days15
M3.6↗M2.7↗M2.8↗M3.3↗M2.6↗
14 km N of Warner Springs, CA
Aug 19, 7:31 AM · 92 km away
35 km NNW of Santa Barbara Is., CA
Aug 18, 1:12 PM · 150 km away
6 km SE of Ontario, CA
Aug 16, 8:35 PM · 41 km away
42 km SW of Maneadero, B.C., MX
Aug 15, 1:05 AM · 246 km away
28 km SSW of Ocotillo Wells, CA
Aug 13, 9:31 AM · 150 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 24, 9:21 PM (showing last good reading while refreshing). All data is public and carries no personal information.