Real-Time Air Quality Index Visual Map(aqicn.org)

53 points by simonebrunozzi 3 years ago | 36 comments

Air quality reporting on iOS(intergalactic.systems)

177 points by owl110 3 years ago | 78 comments

Show HN: I built a transit travel time map(map.henryn.xyz)

229 points by ng-henry 3 years ago | 82 comments

2,100 Swiss municipalities showing which provider handles their official email(mxmap.ch)

207 points by doener 6 months ago | 63 comments

Open Infrastructure Map(openinframap.org)

414 points by efskap 9 months ago | 92 comments

Open Infrastructure Map is an interactive globe map showing power lines, telecoms, oil, gas and other infrastructure from OpenStreetMap data.

Safecast Open Radiation and Air Quality Map(map.safecast.org)

47 points by jhoho 2 years ago | 10 comments