Officials declared an environmental emergency due to unhealthy air quality.
Image of the Day Heat
Image of the Day Land
Fires
Québec City is one of the oldest continuously inhabited cities in the Americas, and the one that still feels closest to its roots.
Image of the Day Land Life Human Presence
A combination of clouds and heavy haze hung over the Sichuan Basin in late February 2009.
Atmosphere Dust and Haze
Over the past month, more than 400 people have died due to air pollution in Iran’s capital.
Image of the Day Atmosphere Dust and Haze Remote Sensing
The Mongolian capital is spreading outward as migrants from the countryside fill neighborhoods on the fringes of the city.
Image of the Day Remote Sensing
Image of the Day Land Life
There were few Indian rulers as passionate about architecture as Maharaja Sawai Jai Singh, the founder of Jaipur.
Image of the Day Human Presence
Planned at the end of the sixteenth century and built during the seventeenth, Amsterdam has inspired generations of city planners.
Image of the Day Land Human Presence
A temperature inversion most likely created this stunning view of low clouds hugging the contours of the Sichuan Basin in Central China in early December 2008.
Image of the Day Atmosphere Unique Imagery
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