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Chesterfield ▾
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 40 min ago · showing last good reading
Air quality
69ModerateUS AQI
PM2.5 8μg/m³PM10 8μg/m³Ozone 105μg/m³NO₂ 14μg/m³
Water monitoring
No live streamgage nearby.
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
✓ None ≥ M2.5 nearby
Superfund sites
33active in MO
Nearest: Ellisville Site · 8 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 69 (Moderate). Observed Sep 29, 6:00 PM.

8.2 μg/m³PM2.5
8.2 μg/m³PM10
105.0 μg/m³Ozone
14.1 μg/m³NO₂
3.8 μg/m³SO₂
188.0 μg/m³CO

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.

Ellisville Site
Ellisville · NPL Site · 8 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 Sep 29, 11:45 PM (showing last good reading while refreshing). All data is public and carries no personal information.