California smoke cover graphic 2018-2021 (IMAGE)
Caption
Maps from a UC Davis study show sites (colored dots) and the annual number of days with medium to high density smoke cover from 2018 to 2021, using a red color gradient.
Credit
UC Davis
Usage Restrictions
Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND