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 Honolulu · updated 11 d ago · showing last good readingAir quality
44GoodUS AQI
PM2.5 4μg/m³PM10 7μg/m³Ozone 24μg/m³NO₂ 4μg/m³
Water monitoring
Makiki Stream At King St. Bridge, Oahu, Hi · 2.5 km away
1.47 ft3/sStreamflow
3.10 ftGage height
Active alerts
✓ No active weather alerts
Earthquakes · 30 days
M3.6strongest within 250 km
39 km SSE of Mākena, Hawaii
4 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 44 (Good). Observed Aug 20, 9:00 PM.
4.4 μg/m³PM2.5
7.0 μg/m³PM10
24.0 μg/m³Ozone
4.2 μg/m³NO₂
2.8 μg/m³SO₂
162.0 μg/m³CO
Source: Open-Meteo Air Quality ↗
Water monitoring — nearest site
Makiki Stream At King St. Bridge, Oahu, Hi · 2.5 km away · 49 sites in range
1.47 ft3/sStreamflow · Aug 21, 6:50 AM
3.10 ftGage height · Aug 21, 6:50 AM
Source: USGS Water Services ↗
Active weather alerts0
✓ No active National Weather Service alerts for this area.
Source: National Weather Service ↗
Earthquakes — last 30 days4
M3.4↗M2.9↗M2.5↗M3.6↗
44 km WSW of Kailua-Kona, Hawaii
Aug 15, 5:09 PM · 250 km away
57 km WNW of Puako, Hawaii
Aug 13, 1:16 PM · 204 km away
45 km W of Kailua-Kona, Hawaii
Aug 4, 2:21 PM · 241 km away
39 km SSE of Mākena, Hawaii
Jul 29, 12:16 AM · 195 km away
Source: USGS Earthquake Catalog ↗
Superfund sites
3 active EPA Superfund (National Priorities List) sites in HI of 4 ever listed.
Pearl Harbor Naval Complex
Pearl Harbor · NPL Site · 16 km away
The state’s energy ledger
What HI’s grid runs on, its EV fleet and charging network, and where its mandate stands — from the national Energy Ledger.
Open the HI energy dossier →Snapshot generated Aug 21, 7:33 AM (showing last good reading while refreshing). All data is public and carries no personal information.