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 10 hr ago · showing last good readingAir quality
106Unhealthy for sensitive groupsUS AQI
PM2.5 14μg/m³PM10 15μg/m³Ozone 93μg/m³NO₂ 20μg/m³
Water monitoring
Caulks Creek At Chesterfield, Mo · 1.8 km away
10.4 ft3/sStreamflow
1.74 ftGage height
Active alerts
- SevereExtreme Heat Warning
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 106 (Unhealthy for sensitive groups). Observed Aug 14, 8:00 PM.
14.3 μg/m³PM2.5
14.7 μg/m³PM10
93.0 μg/m³Ozone
19.5 μg/m³NO₂
4.3 μg/m³SO₂
211.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Caulks Creek At Chesterfield, Mo · 1.8 km away · 60 sites in range
10.4 ft3/sStreamflow · Aug 15, 1:10 AM
1.74 ftGage height · Aug 15, 1:10 AM
Source: USGS Water Services ↗
Active weather alerts1
SevereExtreme Heat Warninguntil Aug 17, 2:00 AM
Extreme Heat Warning issued August 14 at 1:20PM CDT until August 16 at 9:00PM CDT by NWS St Louis MO
Clinton; Washington; Randolph; Madison; St. Clair; Monroe; Boone; Moniteau; Cole; Osage; Callaway; Montgomery; Gasconade; Warren; St. Charles; Franklin; St. Louis; St. Louis City; Jefferson; Crawford; Washington; St. Francois; Ste. Genevieve; Iron; Madison; Reynolds
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 Aug 15, 1:23 AM (showing last good reading while refreshing). All data is public and carries no personal information.