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 San Antonio · updated 3 hr ago · showing last good reading

Air quality

33GoodUS AQI

PM2.5 4μg/m³PM10 6μg/m³Ozone 66μg/m³NO₂ 3μg/m³

Water monitoring

San Antonio Rv At San Antonio, Tx · 1.6 km away

22.9 ft3/sStreamflow

3.86 ftGage height

Active alerts

SevereFlood Watch

Earthquakes · 30 days

M3.6strongest within 250 km

12 km SW of Falls City, Texas

8 quakes ≥ M2.5

Superfund sites

56active in TX

Nearest: R & H Oil Company · 7 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 33 (Good). Observed Sep 29, 6:00 PM.

4.4 μg/m³PM2.5

6.0 μg/m³PM10

66.0 μg/m³Ozone

3.0 μg/m³NO₂

0.7 μg/m³SO₂

120.0 μg/m³CO

Source: Open-Meteo Air Quality ↗

Water monitoring — nearest site

San Antonio Rv At San Antonio, Tx · 1.6 km away · 66 sites in range

22.9 ft3/sStreamflow · Sep 29, 10:00 PM

3.86 ftGage height · Sep 29, 10:00 PM

Source: USGS Water Services ↗

Active weather alerts1

SevereFlood Watchuntil Oct 3, 12:00 AM

Flood Watch issued September 29 at 5:47PM CDT until October 2 at 7:00PM CDT by NWS Austin/San Antonio TX

Llano; Burnet; Williamson; Val Verde; Edwards; Real; Kerr; Bandera; Gillespie; Kendall; Blanco; Hays; Travis; Bastrop; Kinney; Uvalde; Medina; Bexar; Comal; Guadalupe; Caldwell; Maverick; Zavala; Frio; Atascosa; Wilson; Gonzales; Dimmit

Source: National Weather Service ↗