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 Tracy · updated 3 hr ago · showing last good readingAir quality
59ModerateUS AQI
PM2.5 11μg/m³PM10 16μg/m³Ozone 97μg/m³NO₂ 6μg/m³
Water monitoring
No live streamgage nearby.
Active alerts
- ModerateHeat Advisory
Earthquakes · 30 days
M3.7strongest within 250 km
10 km W of Boonville, 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 59 (Moderate). Observed Oct 1, 12:00 PM.
10.6 μg/m³PM2.5
16.3 μg/m³PM10
97.0 μg/m³Ozone
5.9 μg/m³NO₂
2.0 μg/m³SO₂
203.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Active weather alerts1
ModerateHeat Advisoryuntil Oct 6, 5:00 AM
Heat Advisory issued October 1 at 9:34AM PDT until October 5 at 10:00PM PDT by NWS Sacramento CA
Northern Motherlode Between 1000-3000 ft; Central Motherlode Between 1000-3000 ft; Southern Motherlode Between 1000-3000 ft; Central Colusa County Including Interstate 5; Eastern Colusa County; Sutter and Yuba Counties Below 1000 ft; Capay Hills of Yolo County and Vaca Hills of Solano County; Western Yolo County Including Capay Valley and Interstate 505; Central Yolo and Northeast Solano Counties Including Woodland and Davis; Sacramento Metro and Western El Dorado and Amador Counties; Central Solano County Including Fairfield and Vacaville; Southwestern Solano County Including Vallejo; Sacramento County Delta; San Joaquin County Delta; Central San Joaquin County Including Stockton Metro; Tracy Triangle Below 1000 ft; Northeastern San Joaquin Valley Below 1000 ft; Eastern Diablo Range Above 1000 ft; Western Stanislaus County Below 1000 ft Including Interstate 5; Central Stanislaus County Including Modesto Metro
Source: National Weather Service ↗
Earthquakes — last 30 days20
M3.0↗M2.6↗M2.6↗M2.6↗M2.6↗
8 km ESE of Cloverdale, CA
Sep 30, 9:07 PM · 175 km away
1 km SW of Anderson Springs, CA
Sep 30, 8:48 PM · 159 km away
6 km W of Yountville, CA
Sep 29, 4:06 PM · 114 km away
9 km NW of Redwood Valley, CA
Sep 27, 7:10 PM · 238 km away
26 km WSW of Westley, CA
Sep 27, 2:40 PM · 36 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.
Tracy Defense Depot (USARMY)
Tracy · NPL Site · 4 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 Oct 1, 7:00 PM (showing last good reading while refreshing). All data is public and carries no personal information.