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 5 hr ago · showing last good readingAir quality
44GoodUS AQI
PM2.5 5μg/m³PM10 5μg/m³Ozone 145μg/m³NO₂ 2μg/m³
Water monitoring
Missouri River At St. Charles, Mo · 2.2 km away
55800 ft3/sStreamflow
10.64 ftGage height
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
✓ None ≥ M2.5 nearby
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 44 (Good). Observed Sep 29, 3:00 PM.
4.7 μg/m³PM2.5
4.8 μg/m³PM10
145.0 μg/m³Ozone
1.6 μg/m³NO₂
4.1 μg/m³SO₂
140.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Missouri River At St. Charles, Mo · 2.2 km away · 59 sites in range
55800 ft3/sStreamflow · Sep 29, 8:30 PM
10.64 ftGage height · Sep 29, 8:30 PM
Source: USGS Water Services ↗
Active weather alerts0
✓ No active National Weather Service alerts for this area.
Source: National Weather Service ↗
Earthquakes — last 30 days0
✓ No earthquakes ≥ M2.5 within 250 km.
Source: USGS Earthquake Catalog ↗
Superfund sites
33 active EPA Superfund (National Priorities List) sites in MO of 39 ever listed.
Westlake Landfill
Bridgeton · NPL Site · 5 km away
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 Sep 29, 8:51 PM (showing last good reading while refreshing). All data is public and carries no personal information.