Note: Data and product sources:

1. The lidar images are from the CCNY-lidar observation at CCNY campus, NYC.

2. The surface PM2.5 data are from the routine observation operated by NYSDEC at CCNY-site and NYC area.

3. The fire and smoke images are the product of NOAA-HMS and downloaded from the 
    https://satepsanone.nesdis.noaa.gov/pub/FIRE/HMS/

4. The backward trajectory images are from the NOAA-HYSPLIT model:
   https://www.ready.noaa.gov/HYSPLIT.php