The following guidance is subject to current campus mask requirements. When masks are required, the mask worn must meet the "acceptable" criteria. When masks are strongly recommended, it is strongly recommended that masks meet the "acceptable" criteria.
Acceptable
Face coverings must cover both your nose and mouth and have no visible holes or openings.
| Employees (and student employees while working) | Students, invited guests and the general public |
|---|---|
| N95 (most protective) | N95 (most protective) |
| KN95, KF94 (next most protective) | KN95, KF94 (next most protective) |
| Surgical masks | Surgical masks |
| Double-masking with a cloth face covering on top of a surgical mask to improve the fit | Double-masking with a cloth face covering on top of a surgical mask to improve the fit |
| Cloth face coverings worn alone (Non-employees are encouraged to wear more effective face coverings, but are allowed to wear cloth face masks with tight ear straps that completely cover the mouth and nose) |
Unacceptable
| Employees (and student employees while working) | Students, invited guests and the general public |
|---|---|
| Cloth face coverings worn alone (Students are encouraged to wear more effective face coverings, but are allowed to wear cloth face masks with tight ear straps that completely cover the mouth and nose) | |
| Face coverings with exhalation valves or vents | Face coverings with exhalation valves or vents |
| Counterfeit (fake) KN95 mask | Counterfeit (fake) KN95 mask |
| Face shield without drapes when worn without an approved face covering | Face shield without drapes when worn without an approved face covering |
| Scarf | Scarf |
| Neck gaiter | Neck gaiter |
| Ski mask | Ski mask |
| Balaclava | Balaclava |
| Bandana | Bandana |
| Turtleneck | Turtleneck |
| Collar | Collar |