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 National City · updated 11 hr ago · showing last good readingAir quality
35GoodUS AQI
PM2.5 7μg/m³PM10 10μg/m³Ozone 66μg/m³NO₂ 2μg/m³
Water monitoring
Alvarado C Nr La Mesa Ca · 11.6 km away
0.90 ft3/sStreamflow
1.57 ftGage height
25.8 deg CWater temperature
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 35 (Good). Observed Aug 14, 5:00 PM.
7.2 μg/m³PM2.5
10.3 μg/m³PM10
66.0 μg/m³Ozone
2.3 μg/m³NO₂
0.7 μg/m³SO₂
97.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Alvarado C Nr La Mesa Ca · 11.6 km away · 15 sites in range
0.90 ft3/sStreamflow · Aug 14, 11:30 PM
1.57 ftGage height · Aug 14, 11:30 PM
25.8 deg CWater temperature · Jul 24, 9:15 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↗M3.0↗
28 km SSW of Ocotillo Wells, CA
Aug 13, 9:31 AM · 84 km away
9 km SW of Valencia, CA
Aug 12, 8:56 PM · 237 km away
10 km WSW of Corona, CA
Aug 12, 6:17 AM · 139 km away
11 km SW of Niland, CA
Aug 11, 8:34 PM · 150 km away
78 km E of Maneadero, B.C., MX
Aug 6, 10:38 PM · 175 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.
Camp Pendleton Marine Corps Base
San Diego County · NPL Site · 73 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 15, 12:35 AM (showing last good reading while refreshing). All data is public and carries no personal information.