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 Great Falls · updated 15 hr ago · showing last good readingAir quality
39GoodUS AQI
PM2.5 3μg/m³PM10 3μg/m³Ozone 68μg/m³NO₂ 3μg/m³
Water monitoring
Missouri River Near Ulm Mt · 10.3 km away
3440 ft3/sStreamflow
2.79 ftGage height
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M3.2strongest within 250 km
3 km SE of Seeley Lake, Montana
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 39 (Good). Observed Aug 31, 8:00 PM.
2.9 μg/m³PM2.5
3.1 μg/m³PM10
68.0 μg/m³Ozone
3.1 μg/m³NO₂
0.4 μg/m³SO₂
142.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Missouri River Near Ulm Mt · 10.3 km away · 7 sites in range
3440 ft3/sStreamflow · Sep 1, 2:30 AM
2.79 ftGage height · Sep 1, 2:30 AM
Source: USGS Water Services ↗
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.
ACM Smelter and Refinery
Black Eagle · NPL Site · 5 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 Sep 1, 2:59 AM (showing last good reading while refreshing). All data is public and carries no personal information.