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 Somerville · updated 3 min agoAir quality
55ModerateUS AQI
PM2.5 10μg/m³PM10 12μg/m³Ozone 34μg/m³NO₂ 27μg/m³
Water monitoring
Mystic R Ds Of Amelia Earhart Dam, Sommerville, Ma · 2.1 km away
101.87 ftGage height
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 55 (Moderate). Observed Sep 2, 10:00 PM.
9.7 μg/m³PM2.5
11.6 μg/m³PM10
34.0 μg/m³Ozone
26.6 μg/m³NO₂
1.1 μg/m³SO₂
187.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Mystic R Ds Of Amelia Earhart Dam, Sommerville, Ma · 2.1 km away · 101 sites in range
101.87 ftGage height · Sep 3, 1:45 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
33 active EPA Superfund (National Priorities List) sites in MA of 41 ever listed.
Wells G&H
Woburn · NPL Site · 12 km away
The state’s energy ledger
What MA’s grid runs on, its EV fleet and charging network, and where its mandate stands — from the national Energy Ledger.
Open the MA energy dossier →Snapshot generated Sep 3, 2:51 AM. All data is public and carries no personal information.