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 Los Angeles · updated 4 hr ago · showing last good readingAir quality
69ModerateUS AQI
PM2.5 18μg/m³PM10 23μg/m³Ozone 85μg/m³NO₂ 15μg/m³
Water monitoring
Rio Hondo Bl Whittier Narrows Dam Ca · 14.8 km away
0.00 ft3/sStreamflow
1.04 ftGage height
Active alerts
- SevereExtreme Heat Watch
Earthquakes · 30 days
M3.8strongest within 250 km
4 km SE of Piru, 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 69 (Moderate). Observed Sep 30, 7:00 PM.
17.5 μg/m³PM2.5
22.5 μg/m³PM10
85.0 μg/m³Ozone
15.3 μg/m³NO₂
4.4 μg/m³SO₂
184.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Rio Hondo Bl Whittier Narrows Dam Ca · 14.8 km away · 23 sites in range
0.00 ft3/sStreamflow · Oct 1, 2:30 AM
1.04 ftGage height · Oct 1, 2:30 AM
Source: USGS Water Services ↗
Active weather alerts1
SevereExtreme Heat Watchuntil Oct 9, 3:00 AM
Extreme Heat Watch issued September 30 at 9:46AM PDT until October 8 at 8:00PM PDT by NWS Los Angeles/Oxnard CA
Catalina and Santa Barbara Islands; Santa Clarita Valley; Ventura County Beaches; Ventura County Inland Coast; Lake Casitas; Ojai Valley; Central Ventura County Valleys; Malibu Coast; Los Angeles County Beaches; Palos Verdes Hills; Los Angeles County Inland Coast including Downtown Los Angeles; Western Santa Monica Mountains Recreational Area; Eastern Santa Monica Mountains Recreational Area; Calabasas and Agoura Hills; Western San Fernando Valley; Eastern San Fernando Valley; Southeastern Ventura County Valleys; Santa Susana Mountains; Los Angeles County San Gabriel Valley
Source: National Weather Service ↗
Earthquakes — last 30 days20
M3.1↗M3.8↗M3.6↗M2.6↗M3.0↗
20 km ESE of Anza, CA
Oct 1, 12:01 AM · 176 km away
4 km SE of Piru, CA
Sep 30, 3:00 AM · 61 km away
7 km WSW of Hermosa Beach, CA
Sep 27, 3:40 PM · 31 km away
17 km WSW of Johannesburg, CA
Sep 24, 3:11 AM · 146 km away
17 km WSW of Johannesburg, CA
Sep 23, 8:44 PM · 145 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.
San Fernando Valley (Area 4)
Los Angeles · NPL Site · 7 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 Oct 1, 2:50 AM (showing last good reading while refreshing). All data is public and carries no personal information.