◉ Perfect World
St. Charles ▾
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 St. Charles · updated 2 hr ago · showing last good reading
Air quality
71ModerateUS AQI
PM2.5 10μg/m³PM10 11μg/m³Ozone 89μg/m³NO₂ 16μg/m³
Water monitoring
Missouri River At St. Charles, Mo · 2.2 km away
54400 ft3/sStreamflow
10.40 ftGage height
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
✓ None ≥ M2.5 nearby
Superfund sites
33active in MO
Nearest: Westlake Landfill · 5 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 71 (Moderate). Observed Sep 30, 9:00 PM.

10.3 μg/m³PM2.5
10.5 μg/m³PM10
89.0 μg/m³Ozone
15.8 μg/m³NO₂
2.8 μg/m³SO₂
228.0 μg/m³CO

Water monitoring — nearest site

Missouri River At St. Charles, Mo · 2.2 km away · 59 sites in range

54400 ft3/sStreamflow · Oct 1, 2:30 AM
10.40 ftGage height · Oct 1, 2:30 AM

Active weather alerts0

✓ No active National Weather Service alerts for this area.

Earthquakes — last 30 days0

✓ No earthquakes ≥ M2.5 within 250 km.

Superfund sites

33 active EPA Superfund (National Priorities List) sites in MO of 39 ever listed.

Westlake Landfill
Bridgeton · NPL Site · 5 km away
Open →
See every Superfund site in MO →

The state’s energy ledger

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

Open the MO energy dossier →

Snapshot generated Oct 1, 2:48 AM (showing last good reading while refreshing). All data is public and carries no personal information.