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 Santa Ana · updated 20 hr ago · showing last good readingAir quality
64ModerateUS AQI
PM2.5 16μg/m³PM10 20μg/m³Ozone 98μg/m³NO₂ 3μg/m³
Water monitoring
Santiago C A Santa Ana Ca · 3.1 km away
0.00 ft3/sStreamflow
7.31 ftGage height
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M3.6strongest within 250 km
14 km N of Warner Springs, CA
12 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 64 (Moderate). Observed Aug 31, 3:00 PM.
16.2 μg/m³PM2.5
20.1 μg/m³PM10
98.0 μg/m³Ozone
2.6 μg/m³NO₂
1.2 μg/m³SO₂
122.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Santiago C A Santa Ana Ca · 3.1 km away · 49 sites in range
0.00 ft3/sStreamflow · Aug 31, 9:45 PM
7.31 ftGage height · Aug 31, 9:45 PM
Source: USGS Water Services ↗
Active weather alerts0
✓ No active National Weather Service alerts for this area.
Source: National Weather Service ↗
Earthquakes — last 30 days12
M2.9↗M3.1↗M3.6↗M2.7↗M2.8↗
22 km SSW of La Quinta, CA
Aug 31, 11:04 AM · 139 km away
12 km WSW of Salton City, CA
Aug 25, 8:17 PM · 176 km away
14 km N of Warner Springs, CA
Aug 19, 7:31 AM · 119 km away
35 km NNW of Santa Barbara Is., CA
Aug 18, 1:12 PM · 124 km away
6 km SE of Ontario, CA
Aug 16, 8:35 PM · 39 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 · 13 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 31, 10:50 PM (showing last good reading while refreshing). All data is public and carries no personal information.