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 Brentwood · updated 2 hr ago · showing last good reading

Air quality

61ModerateUS AQI

PM2.5 12μg/m³PM10 14μg/m³Ozone 22μg/m³NO₂ 15μg/m³

Water monitoring

Dutch Slough Bl Jersey Island Rd A Jersey Island · 9.4 km away

-3330 ft3/sStreamflow

9.15 ftGage height

21.7 deg CWater temperature

2260 uS/cm @25CSpecific conductance

Active alerts

ModerateHeat Advisory

Earthquakes · 30 days

M3.7strongest within 250 km

10 km W of Boonville, CA

20 quakes ≥ M2.5

Superfund sites

99active in CA

Nearest: Lawrence Livermore Laboratory (USDOE) · 27 km →

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 61 (Moderate). Observed Oct 1, 9:00 AM.

11.7 μg/m³PM2.5

14.1 μg/m³PM10

22.0 μg/m³Ozone

14.9 μg/m³NO₂

1.5 μg/m³SO₂

160.0 μg/m³CO

Source: Open-Meteo Air Quality ↗

Water monitoring — nearest site

Dutch Slough Bl Jersey Island Rd A Jersey Island · 9.4 km away · 79 sites in range

-3330 ft3/sStreamflow · Oct 1, 4:00 PM

9.15 ftGage height · Oct 1, 4:00 PM

21.7 deg CWater temperature · Oct 1, 6:45 AM

2260 uS/cm @25CSpecific conductance · Oct 1, 6:45 AM

Source: USGS Water Services ↗

Active weather alerts1

ModerateHeat Advisoryuntil Oct 5, 5:00 AM

Heat Advisory issued October 1 at 9:43AM PDT until October 4 at 10:00PM PDT by NWS San Francisco CA

Sonoma Coastal Range; North Bay Interior Mountains; San Francisco Bay Shoreline; East Bay Interior Valleys; Santa Cruz Mountains; Santa Clara Valley Including San Jose; Eastern Santa Clara Hills; East Bay Hills; Southern Salinas Valley/Arroyo Seco and Lake San Antonio; Santa Lucia Mountains and Los Padres National Forest; Mountains Of San Benito County And Interior Monterey County Including Pinnacles National Park

Source: National Weather Service ↗