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 South San Francisco · updated 2 hr ago · showing last good readingAir quality
52ModerateUS AQI
PM2.5 9μg/m³PM10 13μg/m³Ozone 64μg/m³NO₂ 5μg/m³
Water monitoring
San Mateo C Ab Junction Box A Dam1 Nr Hillsborough · 10.9 km away
0.00 ft3/sStreamflow
0.15 ftGage height
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M3.9strongest within 250 km
6 km NW of Pinnacles, CA
20 quakes ≥ 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 52 (Moderate). Observed Sep 1, 11:00 AM.
8.6 μg/m³PM2.5
12.7 μg/m³PM10
64.0 μg/m³Ozone
4.8 μg/m³NO₂
1.0 μg/m³SO₂
116.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
San Mateo C Ab Junction Box A Dam1 Nr Hillsborough · 10.9 km away · 61 sites in range
0.00 ft3/sStreamflow · Sep 1, 6:00 PM
0.15 ftGage height · Sep 1, 6:00 PM
Source: USGS Water Services ↗
Active weather alerts0
✓ No active National Weather Service alerts for this area.
Source: National Weather Service ↗
Earthquakes — last 30 days20
M2.7↗M2.8↗M2.5↗M2.8↗M3.8↗
6 km NNW of Redwood Valley, CA
Aug 28, 12:15 PM · 198 km away
10 km N of Lake Pillsbury, CA
Aug 23, 9:37 AM · 210 km away
2 km SE of Concord, CA
Aug 17, 8:18 AM · 49 km away
4 km N of San Leandro, CA
Aug 13, 4:07 PM · 25 km away
3 km N of San Leandro, CA
Aug 13, 3:30 PM · 25 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.
Hunters Point Naval Shipyard
San Francisco · NPL Site · 8 km away
The state’s energy ledger
What CA’s grid runs on, its EV fleet and charging network, and where its mandate stands — from the national Energy Ledger.
Open the CA energy dossier →Snapshot generated Sep 1, 6:27 PM (showing last good reading while refreshing). All data is public and carries no personal information.