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 Yorba Linda · updated 8 d ago · showing last good readingAir quality
76ModerateUS AQI
PM2.5 18μg/m³PM10 20μg/m³Ozone 103μg/m³NO₂ 20μg/m³
Water monitoring
Carbon C Bl Carbon Cyn Dam Ca · 3.9 km away
0.00 ft3/sStreamflow
1.93 ftGage height
Active alerts
- SevereExtreme Heat Warning
- ModerateHeat Advisory
Earthquakes · 30 days
M4.0strongest within 250 km
10 km ENE of Coso Junction, 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 76 (Moderate). Observed Aug 24, 11:00 AM.
17.9 μg/m³PM2.5
19.7 μg/m³PM10
103.0 μg/m³Ozone
19.8 μg/m³NO₂
5.0 μg/m³SO₂
125.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Carbon C Bl Carbon Cyn Dam Ca · 3.9 km away · 55 sites in range
0.00 ft3/sStreamflow · Aug 24, 5:45 PM
1.93 ftGage height · Aug 24, 5:45 PM
Source: USGS Water Services ↗
Active weather alerts2
SevereExtreme Heat Warninguntil Aug 29, 3:00 AM
Extreme Heat Warning issued August 24 at 1:58AM 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 1:58AM PDT until August 25 at 10:00AM PDT by NWS San Diego CA
Orange County Inland
Source: National Weather Service ↗
Earthquakes — last 30 days20
M2.7↗M3.5↗M2.6↗M3.4↗M4.0↗
10 km ENE of Coso Junction, CA
Aug 24, 7:51 AM · 242 km away
10 km ENE of Coso Junction, CA
Aug 23, 9:16 AM · 242 km away
10 km E of Coso Junction, CA
Aug 23, 8:15 AM · 242 km away
10 km ENE of Coso Junction, CA
Aug 23, 8:01 AM · 242 km away
10 km ENE of Coso Junction, CA
Aug 23, 7:59 AM · 242 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 · 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, 6:17 PM (showing last good reading while refreshing). All data is public and carries no personal information.