2021 Winter Ozone Season Recap Video Wyoming Department of Environmental Quality sent this bulletin at 05/18/2021 01:05 PM MDT Wyoming Department of Environmental Quality | view as a webpage 2021 Winter Ozone Season Recap The 2021 Winter Ozone Season in the Upper Green River Basin concluded at the end of March. The Wyoming Department of Environmental Quality - Air Quality Division produced a video recapping the season. To view the video and learn more information about the season, click the following link: https://www.youtube.com/watch?v=sKQGI0qxZXY Thank you and have a great summer ahead. Stay in the know on the air quality in your area by visiting WyVisNet. View in Espanol Learn more about the Air Quality Division Watch Our Video: Air Quality Division Overview