Multi-Angle Imager for Aerosols (MAIA) missions

The US space agency NASA and Agenzia Spaziale Italiana (ASI) are partnering to investigate the health impacts of air pollution in the world’s most populated cities.

Key points

  • They will build and launch the Multi-Angle Imager for Aerosols (MAIA) missions, NASA announced on March 8, 2023.
  • The three-year mission will focus on 11 primary target areas: Los Angeles, Atlanta, Boston, Rome, Addis Ababa, Ethiopia, Barcelona, Spain, Beijing, Johannesburg, New Delhi, Taipei, Taiwan and Tel Aviv.
  • MAIA is a state-of-the-art satellite instrument producing data that will be used in health studies to examine the health effects of various types of air pollution.
  • The MAIA mission will collect and analyse data from the observatory, sensors on the ground and atmospheric models.
  • Its measurements of sunlight reflecting off airborne particles will help researchers determine the abundance, size and optical properties of certain pollutants in the atmosphere.

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