Perfect World
Rancho Cucamonga
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 Rancho Cucamonga · updated 21 hr ago · showing last good reading
Air quality
78ModerateUS AQI
PM2.5 14μg/m³PM10 17μg/m³Ozone 132μg/m³NO₂ 2μg/m³
Water monitoring
Cucamonga C Nr Upland Ca · 8.3 km away
5.78 ft3/sStreamflow
16.52 ftGage height
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
Superfund sites
99active in CA
Nearest: Stringfellow · 15 km →
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 Aug 31, 3:00 PM.

13.5 μg/m³PM2.5
16.9 μg/m³PM10
132.0 μg/m³Ozone
1.9 μg/m³NO₂
1.3 μg/m³SO₂
168.0 μg/m³CO

Water monitoring — nearest site

Cucamonga C Nr Upland Ca · 8.3 km away · 54 sites in range

5.78 ft3/sStreamflow · Aug 31, 10:00 PM
16.52 ftGage height · Aug 31, 10:00 PM

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 · 130 km away
M3.1
12 km WSW of Salton City, CA
Aug 25, 8:17 PM · 171 km away
M2.7
10 km ENE of Coso Junction, CA
Aug 24, 7:51 AM · 219 km away
M3.5
10 km ENE of Coso Junction, CA
Aug 23, 9:16 AM · 219 km away
M2.6
10 km E of Coso Junction, CA
Aug 23, 8:15 AM · 218 km away

Superfund sites

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

Stringfellow
Glen Avon Heights · NPL Site · 15 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 Aug 31, 10:45 PM (showing last good reading while refreshing). All data is public and carries no personal information.