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 Rosemead · updated 10 hr ago · showing last good readingAir quality
59ModerateUS AQI
PM2.5 16μg/m³PM10 21μg/m³Ozone 76μg/m³NO₂ 26μg/m³
Water monitoring
Rio Hondo Ab Whittier Narrows Dam Ca · 2.5 km away
1.80 ft3/sStreamflow
1.30 ftGage height
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M3.6strongest within 250 km
7 km WSW of Hermosa Beach, 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 59 (Moderate). Observed Sep 29, 11:00 AM.
15.9 μg/m³PM2.5
21.1 μg/m³PM10
76.0 μg/m³Ozone
25.7 μg/m³NO₂
4.3 μg/m³SO₂
215.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Rio Hondo Ab Whittier Narrows Dam Ca · 2.5 km away · 25 sites in range
1.80 ft3/sStreamflow · Sep 29, 6:00 PM
1.30 ftGage height · Sep 29, 6:00 PM
Source: USGS Water Services ↗
Active weather alerts0
✓ No active National Weather Service alerts for this area.
Source: National Weather Service ↗
Earthquakes — last 30 days20
M3.6↗M2.6↗M3.0↗M3.2↗M2.6↗
7 km WSW of Hermosa Beach, CA
Sep 27, 3:40 PM · 45 km away
17 km WSW of Johannesburg, CA
Sep 24, 3:11 AM · 139 km away
17 km WSW of Johannesburg, CA
Sep 23, 8:44 PM · 139 km away
17 km WSW of Johannesburg, CA
Sep 23, 3:01 PM · 139 km away
9 km WNW of Anza, CA
Sep 23, 10:52 AM · 133 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 3)
Alhambra · NPL Site · 5 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 29, 6:39 PM (showing last good reading while refreshing). All data is public and carries no personal information.