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 Chesterfield · updated 4 min agoAir quality
63ModerateUS AQI
PM2.5 15μg/m³PM10 16μg/m³Ozone 65μg/m³NO₂ 22μg/m³
Water monitoring
No live streamgage nearby.
Active alerts
- ModerateHeat Advisory
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 63 (Moderate). Observed Sep 2, 9:00 PM.
14.5 μg/m³PM2.5
15.5 μg/m³PM10
65.0 μg/m³Ozone
21.9 μg/m³NO₂
3.8 μg/m³SO₂
202.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Active weather alerts1
ModerateHeat Advisoryuntil Sep 6, 1:00 AM
Heat Advisory issued September 2 at 2:24PM CDT until September 5 at 8:00PM CDT by NWS St Louis MO
Madison; St. Clair; Monroe; St. Charles; St. Louis; St. Louis City; Jefferson
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.
Ellisville Site
Ellisville · NPL Site · 8 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 3, 2:52 AM. All data is public and carries no personal information.