Perfect World
Monrovia
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 Monrovia · updated 2 hr ago · showing last good reading
Air quality
78ModerateUS AQI
PM2.5 18μg/m³PM10 21μg/m³Ozone 85μg/m³NO₂ 18μg/m³
Water monitoring
No live streamgage nearby.
Active alerts
✓ No active weather alerts
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 78 (Moderate). Observed Sep 1, 11:00 AM.

18.0 μg/m³PM2.5
21.2 μg/m³PM10
85.0 μg/m³Ozone
18.2 μg/m³NO₂
4.2 μg/m³SO₂
166.0 μg/m³CO

Active weather alerts0

✓ No active National Weather Service alerts for this area.

Earthquakes — last 30 days20

M2.9
22 km SSW of La Quinta, CA
Aug 31, 11:04 AM · 165 km away
M3.1
12 km WSW of Salton City, CA
Aug 25, 8:17 PM · 205 km away
M2.7
10 km ENE of Coso Junction, CA
Aug 24, 7:51 AM · 214 km away
M3.5
10 km ENE of Coso Junction, CA
Aug 23, 9:16 AM · 214 km away
M2.6
10 km E of Coso Junction, CA
Aug 23, 8:15 AM · 214 km away

Superfund sites

99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.

San Gabriel Valley (Area 1)
El Monte · NPL Site · 2 km away
Open →
See every Superfund site in CA

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, 6:25 PM (showing last good reading while refreshing). All data is public and carries no personal information.