#2119: pollution, tiles, markers
, last check: Wed, 06 May 2026. Post history
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pollution
You can access real-time worldwide information on PM2.5 air pollution through the World Air Quality Index. This data is sourced from GAIA control stations, which are affordable and powered by WIFI and USB
https://aqicn.org/map/world/ -
tiles
With a single executable binary, Tilemaker can create Mapbox Vector Tiles from an OSM pbf extract without a database
https://tilemaker.org/ -
markers
he Historical Marker Database is an online catalog that collects images of outdoor signs, monuments, and permanent plaques through user contributions
https://www.hmdb.org/
Happy August 🏖, see you in a couple weeks! 😎
Raf