NYC PollenScape

We measure localized environmental health impact of 600,000+ street trees with 130+ species in NYC.

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NYC Street Tree colored by pollen allergenicity. Pan and zoom to see street trees in NYC. Click different seasons to check pollen activity. Click NEIGHBORHOOD for neighborhood allergenicity summary.


Yuan Lai is a PhD candidate in the NYU Tandon School of Engineering. He is a research affiliate of Dr.Kontokosta's Civic Analytics Program at the NYU Marron Institute of Urban Management and a member of the Urban Intelligence Lab. He holds a MS in urban informatics from NYU CUSP, a MS in urban planning and BS in landscape architecture.

Constantine E. Kontokosta, PhD, PE, is an Associate Professor of Urban Science and Planning and Director of the Civic Analytics program at the NYU Marron Institute of Urban Management. He also directs the Urban Intelligence Lab and holds cross-appointments at the Center for Urban Science and Progress (CUSP) and the Dept. of Civil and Urban Engineering.

Data visualization and web developement by Yuan Lai.