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 Helena · updated 42 min ago · showing last good readingAir quality
51ModerateUS AQI
PM2.5 13μg/m³PM10 13μg/m³Ozone 42μg/m³NO₂ 7μg/m³
Water monitoring
No live streamgage nearby.
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M3.3strongest within 250 km
39 km SSE of Mammoth, Wyoming
1 quake ≥ M2.5
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 51 (Moderate). Observed Aug 15, 5:00 AM.
12.9 μg/m³PM2.5
13.1 μg/m³PM10
42.0 μg/m³Ozone
6.7 μg/m³NO₂
0.0 μg/m³SO₂
197.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Active weather alerts0
✓ No active National Weather Service alerts for this area.
Source: National Weather Service ↗
Earthquakes — last 30 days1
Source: USGS Earthquake Catalog ↗
Superfund sites
19 active EPA Superfund (National Priorities List) sites in MT of 19 ever listed.
East Helena Site
East Helena · NPL Site · 9 km away
The state’s energy ledger
What MT’s grid runs on, its EV fleet and charging network, and where its mandate stands — from the national Energy Ledger.
Open the MT energy dossier →Snapshot generated Aug 15, 11:50 AM (showing last good reading while refreshing). All data is public and carries no personal information.