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 Manassas · updated 13 hr ago · showing last good readingAir quality
67ModerateUS AQI
PM2.5 15μg/m³PM10 16μg/m³Ozone 87μg/m³NO₂ 8μg/m³
Water monitoring
Flatlick Branch Above Frog Branch At Chantilly, Va · 15.1 km away
1.50 ft3/sStreamflow
1.06 ftGage height
25.4 deg CWater temperature
436 uS/cm @25CSpecific conductance
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 67 (Moderate). Observed Aug 14, 8:00 PM.
15.4 μg/m³PM2.5
15.7 μg/m³PM10
87.0 μg/m³Ozone
7.9 μg/m³NO₂
1.7 μg/m³SO₂
261.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Flatlick Branch Above Frog Branch At Chantilly, Va · 15.1 km away · 87 sites in range
1.50 ft3/sStreamflow · Aug 15, 12:00 AM
1.06 ftGage height · Aug 15, 12:00 AM
25.4 deg CWater temperature · Aug 15, 12:00 AM
436 uS/cm @25CSpecific conductance · Aug 15, 12:00 AM
8.0 std unitspH · Aug 15, 12:00 AM
8.3 mg/lDissolved oxygen · Aug 15, 12:00 AM
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
29 active EPA Superfund (National Priorities List) sites in VA of 35 ever listed.
Marine Corps Combat Development Command
Quantico · NPL Site · 30 km away
The state’s energy ledger
What VA’s grid runs on, its EV fleet and charging network, and where its mandate stands — from the national Energy Ledger.
Open the VA energy dossier →Snapshot generated Aug 15, 12:40 AM (showing last good reading while refreshing). All data is public and carries no personal information.