Perfect World
Diamond Bar
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 Diamond Bar · updated 13 hr ago · showing last good reading
Air quality
55ModerateUS AQI
PM2.5 10μg/m³PM10 13μg/m³Ozone 94μg/m³NO₂ 6μg/m³
Water monitoring
San Antonio C A Riverside Drive Nr Chino Ca · 7.4 km away
0.70 ft3/sStreamflow
1.14 ftGage height
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M3.6strongest within 250 km
7 km S of Brawley, 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 55 (Moderate). Observed Aug 14, 5:00 PM.

10.3 μg/m³PM2.5
12.6 μg/m³PM10
94.0 μg/m³Ozone
5.6 μg/m³NO₂
3.6 μg/m³SO₂
108.0 μg/m³CO

Water monitoring — nearest site

San Antonio C A Riverside Drive Nr Chino Ca · 7.4 km away · 47 sites in range

0.70 ft3/sStreamflow · Aug 15, 12:00 AM
1.14 ftGage height · Aug 15, 12:00 AM

Active weather alerts0

✓ No active National Weather Service alerts for this area.

Earthquakes — last 30 days20

M2.6
28 km SSW of Ocotillo Wells, CA
Aug 13, 9:31 AM · 191 km away
M2.6
9 km SW of Valencia, CA
Aug 12, 8:56 PM · 85 km away
M3.0
10 km WSW of Corona, CA
Aug 12, 6:17 AM · 26 km away
M2.9
11 km SW of Niland, CA
Aug 11, 8:34 PM · 224 km away
M2.5
3 km N of Gardena, CA
Aug 3, 3:50 AM · 48 km away

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 · 13 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 15, 12:35 AM (showing last good reading while refreshing). All data is public and carries no personal information.