Start Date: End Date: Published Date Data Date
Data acquired January 1, 1906 720 x 480 JPEG
Data acquired January 1, 1906 750 x 595 53 KB - JPEG
Data acquired January 1, 1940 720 x 480 JPEG
Data acquired January 1, 1940 750 x 530 89 KB - JPEG
Data acquired December 23, 2013 720 x 480 JPEG
Data acquired December 23, 2013 6200 x 7600 11 MB - JPEG
Data acquired December 23, 2013 JPEG
Air pollution far more severe than what’s common today used to plague many American towns and cities.
NASA image courtesy Jeff Schmaltz, LANCE/EOSDIS MODIS Rapid Response Team at NASA GSFC. Ground photographs courtesy of the University of Pittsburgh Smoke Control Lantern Slide Collection and the Carnegie Museum of Art. Caption by Adam Voiland.
Published September 2, 2014 Data acquired December 23, 2013