Members area
Each region uses the same four metrics. Pick a continent for the focused view, or open the world scan for the global no-flight zones.
All four metrics — water hardness, air, 5G coverage, flight density — for each region. Live where shown; expanding as data sources land for new regions.
Full four-metric coverage. Mainland and islands ranked separately. UK split into England, Scotland, Wales, Northern Ireland.
EWG Tap Water DB measured per utility, EPA AirNow stations, FCC carrier filings, OpenSky-densest receiver coverage. Higher data quality than EU when shipped.
Brazil SISAGUA gives Spain-level hardness coverage. Argentina provincial. Chile / Peru / Colombia get geology-based hardness fallback (transparently tagged).
Modeled CAMS air quality covers full continent. Hardness data scarce outside South Africa / Maghreb — geology synth fallback. Flight overpass data is excellent for the Sahara & sparse interior.
Most of Siberia is genuinely empty of overhead traffic. CAMS modeled air. Hardness via geology synth — direct measurements unavailable. The cleanest cells on Earth probably live here.
Japan / Korea / Taiwan have measured data parity. China is partial via CEMC. SE Asia has CAMS modeled air + sparse hardness; flight density excellent.
Australia has Bureau of Meteorology + state water authority data — clean parity. NZ similarly good. Pacific island nations get CAMS modeled + synth hardness.
Methodology & per-cell source attribution available inside each regional map.