NASA / SCIENCE PHOTO LIBRARY NASA / SCIENCE PHOTO LIBRARY
Air pollution over China. Layer of haze trapped over east-central China, near the coast of Bo-Hai (right). The poor air quality is due to increased vehicle pollution, coal-fired power stations, and home heating and cooking fires. Meterological influences in the area create temperature inversions; air at the surface of the Earth is cooler than air in the atmosphere. The cooler air rises, trapping the haze near the Earth's surface until the temperature changes. Image taken on 3 November 2004 by the Moderate Resolution Imaging Spectroradiometer (MODIS) aboard NASA's Aqua satellite.
Model release not required. Property release not required.