◉ Perfect World
Sammamish ▾
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 Sammamish · updated 13 hr ago · showing last good reading
Air quality
32GoodUS AQI
PM2.5 15μg/m³PM10 20μg/m³Ozone 51μg/m³NO₂ 18μg/m³
Water monitoring
No live streamgage nearby.
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M4.2strongest within 250 km
6 km WNW of Wauna, Washington
4 quakes ≥ M2.5
Superfund sites
47active in WA
Nearest: Quendall Terminals · 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 32 (Good). Observed Sep 30, 3:00 AM.

14.8 μg/m³PM2.5
20.1 μg/m³PM10
51.0 μg/m³Ozone
17.6 μg/m³NO₂
2.0 μg/m³SO₂
192.0 μg/m³CO

Active weather alerts0

✓ No active National Weather Service alerts for this area.

Earthquakes — last 30 days4

M4.2
6 km WNW of Wauna, Washington
Sep 29, 9:05 PM · 57 km away
↗
M2.6
23 km N of Trout Lake, Washington
Sep 28, 12:12 AM · 161 km away
↗
M2.6
2 km ENE of Mount Vernon, Washington
Sep 12, 4:17 AM · 92 km away
↗
M3.8
20 km E of Castle Rock, Washington
Sep 5, 11:09 AM · 159 km away
↗

Superfund sites

47 active EPA Superfund (National Priorities List) sites in WA of 69 ever listed.

Quendall Terminals
Renton · NPL Site · 15 km away
Open →
See every Superfund site in WA →

The state’s energy ledger

What WA’s grid runs on, its EV fleet and charging network, and where its mandate stands — from the national Energy Ledger.

Open the WA energy dossier →

Snapshot generated Sep 30, 10:18 AM (showing last good reading while refreshing). All data is public and carries no personal information.