Tai Chi in the Park, hosted by PI Rec, 10:30-11:30 a.m. at Mantle Lake Park. Free drop-in sessions, for anyone 55 and up. Rain location: Riverside Park Pavilion. FMI: 764-2545.

Food preservation webinar: fermenting vegetables, 2-2:45 p.m., by UMaine Cooperative Extension. Registration required; $5 donation per session optional. FMI: extension.umaine.edu/food-health/food-preservation/food-preservation-webinar-series.

Parents in Recovery, facilitated by Aroostook Recovery Center of Hope, 36 North St., 11 a.m. FMI: 207-254-2213.

Dealing with Chronic Pain - Zoom class by Aroostook Agency on Aging, 9:30-11:30 a.m. Tuesdays through Oct. 20. FMI or to register: 764-3396.

Virtual Tai Chi - Zoom class by Aroostook Agency on Aging. Slow exercise for every level. 6-7 p.m., Tuesdays and Thursdays through Nov. 12. FMI or to register: 764-3396.

Diabetes Management - Zoom class by Aroostook Agency on Aging, 1-3 p.m., Tuesdays through Oct. 20. FMI or to register: 764-3396.

Yoga at Roads to Recovery Community Center, 9 a.m. FMI: 493-1278.

Relationships and Recovery, Roads to Recovery Community Center, 11 a.m. FMI: 493-1278.

SMART Recovery, Aroostook Recovery Center of Hope, 36 North St., 7 p.m. FMI: 207-254-2213.

The County Market, 5-7:30 p.m., 236 Van Buren Road (Haney's). Free. County-made and County-grown products.