Department of Civil Engineering &
Department of Sustainable Energy Engineering


Office: National Aerosol Facility building, Ground Floor, 101,
IIT Kanpur – 208016
Phone: +91-512 2597845 (Off) +91-512-2598806 (Res) +91-512-2597395 (Fax)

Dr. Sachchida Nand Tripathi is a Higher Administrative Grade (Senior) Professor of Civil Engineering at IIT Kanpur and also a joint faculty at the department of Sustainable Energy Department (SEE), IIT Kanpur. He is the recipient of Infosys Prize 2023, Shanti Swarup Bhatnagar Award and the J C Bose National Fellowship. Prof. Tripathi holds the Arjun Dev Joneja Chair at IIT Kanpur. He is an elected fellow of the Indian National Science Academy (INSA), Indian National Academy of Engineering (INAE) and National Academy of Sciences of India (NASI) and recipient of the Distinguished Alumnus award of Banaras Hindu University. He was a Senior Fellow at NASA Goddard Space Flight Centre. He has made impactful contribution to address challenges of Air Pollution and Climate Change. Prof Tripathi has built ground-breaking innovative approaches for indigenously built low-cost sensor-based network technologies for nation-wide urban air quality monitoring and Real Time Source Apportionment (RTSA). His work on Taj Mahal discolouration led to policy interventions in Agra city. His pioneering work in aerosol-induced cloud invigoration effect (AIvE) and synergy of coupling between urban land use, land cover and Cloud Condensation Nuclei-induced AIvE has contributed significantly in future urban planning to avoid flash floods.

He is also the Coordinator of the National Knowledge Network, formed under the National Clean Air Program and an expert member of Steering Committee and Monitoring Committee, National Clean Air Program and member of Executive Council, Climate Change Program, Department of Science and Technology.

Prof. Tripathi’s new study discovers the genesis of night-time air pollution. It provides mechanistic understanding of nanoparticles growth preceding severe haze pollution in Delhi, which is due to biomass burning emissions.

Latest Updates

  1. Launch of AMRIT Bihar sensor network and dashboard by Hon’ble Chief Minister of Bihar, during the Bihar Climate Action Conclave and Expo at Patna
  2. Infosys Engineering and computer science 2023 laureate SN Tripathi on air pollution, January 13, 2024, The Print.
  3. As a Guest Speakers, discussing, Checks & Balances | Air Pollution: The Silent Killer, December 01, 2023
  4. Infosys Prize 2023 in engineering and computer science is awarded to Prof. Tripathi for pioneering a large-scale sensor-based air quality network, mobile laboratories and AI+ML -driven analysis
  5. Prof. Tripathi as a panelist on NDTV discussion on “Crackers Ban Up In Smoke As Toxic Haze Returns To Delhi-NCR A Day After Diwali”,Nov 13, 2023
  6. “Prof. Tripathi as a panelist on India TV, addressing issues related to air pollution”
  7. IIT Kanpur establishes CoE named ATMAN (Advanced Technologies for Monitoring Air-quality iNdicators) for monitoring air-quality
  8. “Air Pollution Crisis In Delhi As Toxic Smog Covers City” Nov 2, 2023
  9. IIT Kanpur’s unique innovation to check pollution
  10. Prof. Tripathi as one of the  environmental expert  on the knowledge platform “Upword”  talking about the sources of Delhi pollution,  Struggle to Breathe – An account of the Delhi Air Crisis.
  11. Prof. Tripathi featured on Al Jazeera’s report focusing the topic “Scientists decipher the cause of New Delhi’s haze, Mar 18, 2023
  12. Recent article “Rapid night-time nanoparticle growth in Delhi driven by biomass-burning emissions” published in Nature Geoscience, provides mechanistic understanding of nightly growth of particles less than 100 nanometers.

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