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 Pomona · updated 5 hr ago · showing last good readingAir quality
68ModerateUS AQI
PM2.5 19μg/m³PM10 22μg/m³Ozone 31μg/m³NO₂ 36μg/m³
Water monitoring
San Antonio C A Riverside Drive Nr Chino Ca · 4.4 km away
0.08 ft3/sStreamflow
1.10 ftGage height
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M4.0strongest within 250 km
10 km ENE of Coso Junction, CA
19 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 68 (Moderate). Observed Sep 1, 5:00 AM.
18.6 μg/m³PM2.5
21.7 μg/m³PM10
31.0 μg/m³Ozone
36.4 μg/m³NO₂
2.3 μg/m³SO₂
189.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
San Antonio C A Riverside Drive Nr Chino Ca · 4.4 km away · 52 sites in range
0.08 ft3/sStreamflow · Sep 1, 12:00 PM
1.10 ftGage height · Sep 1, 12:00 PM
Source: USGS Water Services ↗
Active weather alerts0
✓ No active National Weather Service alerts for this area.
Source: National Weather Service ↗
Earthquakes — last 30 days19
M2.9↗M3.1↗M2.7↗M3.5↗M2.6↗
22 km SSW of La Quinta, CA
Aug 31, 11:04 AM · 140 km away
12 km WSW of Salton City, CA
Aug 25, 8:17 PM · 180 km away
10 km ENE of Coso Junction, CA
Aug 24, 7:51 AM · 224 km away
10 km ENE of Coso Junction, CA
Aug 23, 9:16 AM · 224 km away
10 km E of Coso Junction, CA
Aug 23, 8:15 AM · 223 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.
San Gabriel Valley (Area 2)
Baldwin Park Area · NPL Site · 17 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 Sep 1, 12:21 PM (showing last good reading while refreshing). All data is public and carries no personal information.