Another reason might be that you used a low-quality filter or editing effect that made the story look blurry. Try posting without any filters or with different ones to see if it makes a difference.
Maybe your phone's camera quality isn't that good or the lighting conditions weren't ideal when you took the pics for the story.
Maybe the image quality you uploaded wasn't good. Or your phone's camera settings were off.
It could be because of a poor internet connection. Slow internet might not load the images properly, making them look blurry.
Sometimes it's due to the quality of the original content you uploaded. If the picture or video was taken with a low-resolution camera or in bad lighting, it'll show up blurry on Instagram stories.
Maybe it's your internet connection. Slow internet can make the images load poorly and look blurry.
Maybe it's due to poor lighting when you shot them. Sometimes dim or uneven light can cause the images to look blurry.
Maybe you didn't describe the details clearly enough. You need to focus on specific events and characters to make it sharp.
Another reason might be that the original photos or videos you uploaded weren't of high quality. If they weren't clear to start with, they'll look blurry on IG stories. Also, sometimes the IG app itself might have glitches that affect the display quality.
Maybe the picture quality of your story wasn't good to start with. Or it could be a problem with the platform's compression when you uploaded it.
Maybe your camera settings are off. Check if the focus or resolution is set correctly.