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 Madison · updated 11 hr ago · showing last good readingAir quality
35GoodUS AQI
PM2.5 5μg/m³PM10 5μg/m³Ozone 32μg/m³NO₂ 8μg/m³
Water monitoring
Lake Monona At Madison, Wi · 1.1 km away
5.03 ftGage height
23.8 deg CWater temperature
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 35 (Good). Observed Sep 1, 7:00 AM.
4.8 μg/m³PM2.5
4.8 μg/m³PM10
32.0 μg/m³Ozone
7.9 μg/m³NO₂
0.6 μg/m³SO₂
166.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Lake Monona At Madison, Wi · 1.1 km away · 74 sites in range
5.03 ftGage height · Sep 1, 12:00 PM
23.8 deg CWater temperature · Sep 1, 12:00 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
37 active EPA Superfund (National Priorities List) sites in WI of 46 ever listed.
Madison Metropolitan Sewerage District Lagoons
Blooming Grove · NPL Site · 6 km away
The state’s energy ledger
What WI’s grid runs on, its EV fleet and charging network, and where its mandate stands — from the national Energy Ledger.
Open the WI energy dossier →Snapshot generated Sep 1, 12:26 PM (showing last good reading while refreshing). All data is public and carries no personal information.