It's been a rough week for allergy sufferers in South Carolina.

According to pollen.com, pollen counts have been alarmingly high across much of the state for most of last week. And so far this week has been similar.

For example, Colombia recorded a high pollen concentration of 10.7 on Monday, according to pollen.com. The website's pollen count system goes up to 12 on the high end. Colombia reached a pollen concentration of 11 on March 10, its highest level this year.

The pollen forecast shows some relief from yellow pollen in South Carolina for Friday and Saturday. However, the amount of relief varies across the state, with some cities dealing with higher pollen counts than others.

Below you will find a table with the largest cities in South Carolina and a forecast of their pollen levels until Saturday.

Allergies in South Carolina

According to the Medical University of South Carolina, tree pollen is the main cause of most allergy sufferers each spring. The specific culprits are oak, pine, willow and birch trees. Additionally, tree pollen season usually ends around May.

Allergies are the result of the immune system's reactions to allergens. When a person comes into contact with something they are allergic to, various chemicals are released, including histamine. All allergy symptoms are caused by these chemicals.

How to deal with spring allergies in South Carolina

• Wear a mask when gardening

• Showering after being outdoors

• Change the air conditioning filters regularly

• Use an air purifier

• Keep windows closed during pollen season