By Daily Republic Staff
Twelve winners in the 2020 Clean Air Calendar contest will receive $30 Amazon gift cards.
The deadline to submit entries is May 10.
The annual contest is sponsored by the Yolo-Solano Air Quality Management District and is open to students who live within the air district, which includes Dixon, Rio Vista and Vacaville in Solano County. The district also includes Winters in neighboring Yolo County.