Welcome to subramanian's webpage

I am a mechanical engineer specializing in air pollution research. Currently, I am a senior scientist leading the Air Quality Sensors Group at the Environment & Sustainability Center of the Qatar Environment & Energy Research Institute. Previously, I worked on the following three areas as a research scientist at the Center for Atmospheric Particle Studies at Carnegie Mellon University:
  • Low-cost air quality monitoring in the US and other countries. (Check out the RAMP sensors page.)
  • Studying the impact of atmospheric aging and biogenic emissions on the optical properties of soot aerosols (a major climate forcer) emitted by cookstoves, diesel engines, and other combustion sources, through laboratory and field measurements.
  • Quantifying the leak rate of methane (a potent climate forcer) from the US natural gas infrastructure, as well as that of co-emitted pollutants.
​I graduated with a PhD, advised by Allen Robinson, from the Department of Mechanical Engineering at CMU in 2004. My first postdoctoral stint was with Tami Bond at the University of Illinois, Urbana-Champaign. A recent CV can be found here, and my Google Scholar page is here. My research is and has been funded by the US EPA, the Heinz Endowments, NOAA, DOE-NETL, DOE/ASR, EDF, the French ANR, Clean Air Fund and other philanthropies, and some private companies. The ANR "Make Our Planet Great Again" program has supported my founding of and participation in the Africa qualité de l’air network (AfriqAir).

RECENT news

July 2017: #DayOfScience #ScienceAthon fundraising tweets for the Earth Science Women's Network.
July 2017: The Pittsburgh Post-Gazette interviewed us on low-cost air quality monitoring in EJ areas.
June 2017: Here is an interview I did with the Allegheny Front on low-cost air quality monitoring in environmental justice areas.
November 2015: Video of a talk I gave on our methane emissions measurements to the Pipeline Safety Trust.

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