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 Decatur · updated 4 hr ago · showing last good readingAir quality
52ModerateUS AQI
PM2.5 8μg/m³PM10 8μg/m³Ozone 108μg/m³NO₂ 3μg/m³
Water monitoring
Sangamon River At Route 48 At Decatur, Il · 2.1 km away
7.76 ft3/sStreamflow
2.23 ftGage height
23.8 deg CWater temperature
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 52 (Moderate). Observed Sep 2, 5:00 PM.
7.5 μg/m³PM2.5
8.0 μg/m³PM10
108.0 μg/m³Ozone
3.0 μg/m³NO₂
1.2 μg/m³SO₂
131.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Sangamon River At Route 48 At Decatur, Il · 2.1 km away · 18 sites in range
7.76 ft3/sStreamflow · Sep 2, 9:45 PM
2.23 ftGage height · Sep 2, 9:45 PM
23.8 deg CWater temperature · Jul 27, 1:30 PM
Source: USGS Water Services ↗
Active weather alerts1
SevereExtreme Heat Warninguntil Sep 5, 12:00 AM
Extreme Heat Warning issued September 2 at 11:14AM CDT until September 4 at 7:00PM CDT by NWS Lincoln IL
Knox; Stark; Peoria; Marshall; Woodford; Fulton; Tazewell; McLean; Schuyler; Mason; Logan; De Witt; Piatt; Champaign; Vermilion; Cass; Menard; Scott; Morgan; Sangamon; Christian; Macon; Moultrie; Douglas; Coles; Edgar; Shelby; Cumberland; Clark; Effingham; Jasper; Crawford; Clay; Richland; Lawrence
Source: National Weather Service ↗
Earthquakes — last 30 days0
✓ No earthquakes ≥ M2.5 within 250 km.
Source: USGS Earthquake Catalog ↗
Superfund sites
49 active EPA Superfund (National Priorities List) sites in IL of 56 ever listed.
Central Illinois Public Service Co.
Taylorville · NPL Site · 44 km away
The state’s energy ledger
What IL’s grid runs on, its EV fleet and charging network, and where its mandate stands — from the national Energy Ledger.
Open the IL energy dossier →Snapshot generated Sep 2, 10:51 PM (showing last good reading while refreshing). All data is public and carries no personal information.