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 Poway · updated 4 hr ago · showing last good reading

Air quality

68ModerateUS AQI

PM2.5 28μg/m³PM10 32μg/m³Ozone 5μg/m³NO₂ 51μg/m³

Water monitoring

Los Penasquitos C Nr Poway Ca · 8.3 km away

1.92 ft3/sStreamflow

1.68 ftGage height

Active alerts

SevereExtreme Heat Warning

Earthquakes · 30 days

M3.8strongest within 250 km

4 km SE of Piru, CA

17 quakes ≥ M2.5

Superfund sites

99active in CA

Nearest: Camp Pendleton Marine Corps Base · 48 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 68 (Moderate). Observed Oct 1, 2:00 AM.

27.8 μg/m³PM2.5

32.0 μg/m³PM10

5.0 μg/m³Ozone

51.1 μg/m³NO₂

2.5 μg/m³SO₂

204.0 μg/m³CO

Source: Open-Meteo Air Quality ↗

Water monitoring — nearest site

Los Penasquitos C Nr Poway Ca · 8.3 km away · 33 sites in range

1.92 ft3/sStreamflow · Oct 1, 9:00 AM

1.68 ftGage height · Oct 1, 9:00 AM

Source: USGS Water Services ↗

Active weather alerts1

SevereExtreme Heat Warninguntil Oct 9, 3:00 AM

Extreme Heat Warning issued October 1 at 12:29AM PDT until October 8 at 8:00PM PDT by NWS San Diego CA

San Diego County Inland Valleys

Source: National Weather Service ↗

Earthquakes — last 30 days17

20 km ESE of Anza, CA

Oct 1, 12:01 AM · 80 km away

4 km SE of Piru, CA

Sep 30, 3:00 AM · 225 km away

7 km WSW of Hermosa Beach, CA

Sep 27, 3:40 PM · 165 km away

9 km WNW of Anza, CA

Sep 23, 10:52 AM · 72 km away

12 km SW of Estacion Coahuila, B.C., MX

Sep 20, 7:50 PM · 205 km away

Source: USGS Earthquake Catalog ↗

Superfund sites

99 active EPA Superfund (National Priorities List) sites in CA of 116 ever listed.

Camp Pendleton Marine Corps Base

San Diego County · NPL Site · 48 km away

See every Superfund site in CA →

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, 9:50 AM (showing last good reading while refreshing). All data is public and carries no personal information.