NASA Socioeconomic Data and Applications Center (SEDAC) – Hosted by CIESIN at Columbia University

Satellite-Derived Environmental Indicators

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Global Annual Average PM2.5 Grids from MODIS and MISR Aerosol Optical Depth (AOD), v1 (2001 – 2010)

Clicking on the map widget to the right will launch an interactive map tool which will allow you to zoom, pan and switch layers.

Here's an example on how to create a WMS layer instance using the Open Source JavaScript library OpenLayers.

var wms = new OpenLayers.Layer.WMS(
"Population Density",
"http://sedac.ciesin.columbia.edu/geoserver/gwc/service/wms",
{layers: 'gpw-v3:gpw-v3-population-density_2000'}
);

The possible values for layers can be found in the list below.
  • sdei-global-annual-avg-pm2-5-2001-2010