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 Tucson · updated 8 hr ago · showing last good readingAir quality
38GoodUS AQI
PM2.5 4μg/m³PM10 5μg/m³Ozone 57μg/m³NO₂ 5μg/m³
Water monitoring
Santa Cruz River At Tucson, Az · 5.2 km away
0.00 ft3/sStreamflow
-0.51 ftGage height
Active alerts
- SevereExtreme Heat Watch
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 38 (Good). Observed Aug 14, 9:00 PM.
3.6 μg/m³PM2.5
4.5 μg/m³PM10
57.0 μg/m³Ozone
4.7 μg/m³NO₂
0.3 μg/m³SO₂
212.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Santa Cruz River At Tucson, Az · 5.2 km away · 19 sites in range
0.00 ft3/sStreamflow · Aug 15, 4:45 AM
-0.51 ftGage height · Aug 15, 4:45 AM
Source: USGS Water Services ↗
Active weather alerts1
SevereExtreme Heat Watchuntil Aug 20, 3:00 AM
Extreme Heat Watch issued August 14 at 11:42AM MST until August 19 at 8:00PM MST by NWS Tucson AZ
Western Pima County Including Ajo/Organ Pipe Cactus National Monument; Tohono O'odham Nation including Sells; Tucson Metro Area including Tucson/Green Valley/Marana/Vail; South Central Pinal County including Eloy/Picacho Peak State Park; Southeast Pinal County including Kearny/Mammoth/Oracle; Upper Gila River and Aravaipa Valleys including Clifton/Safford
Source: National Weather Service ↗
Earthquakes — last 30 days0
✓ No earthquakes ≥ M2.5 within 250 km.
Source: USGS Earthquake Catalog ↗
Superfund sites
10 active EPA Superfund (National Priorities List) sites in AZ of 13 ever listed.
Tucson International Airport Area
Tucson · NPL Site · 13 km away
The state’s energy ledger
What AZ’s grid runs on, its EV fleet and charging network, and where its mandate stands — from the national Energy Ledger.
Open the AZ energy dossier →Snapshot generated Aug 15, 4:58 AM (showing last good reading while refreshing). All data is public and carries no personal information.