diff --git a/yt_dlp/extractor/niconico.py b/yt_dlp/extractor/niconico.py
index 77a22777b..62dd0ab9c 100644
--- a/yt_dlp/extractor/niconico.py
+++ b/yt_dlp/extractor/niconico.py
@@ -28,6 +28,7 @@ from ..utils import (
     try_get,
     unescapeHTML,
     update_url_query,
+    url_basename,
     url_or_none,
     urlencode_postdata,
     urljoin,
@@ -432,6 +433,7 @@ class NiconicoIE(InfoExtractor):
                     'format_id': ('id', {str}),
                     'abr': ('bitRate', {float_or_none(scale=1000)}),
                     'asr': ('samplingRate', {int_or_none}),
+                    'quality': ('qualityLevel', {int_or_none}),
                 }), get_all=False),
                 'acodec': 'aac',
             }
@@ -443,7 +445,9 @@ class NiconicoIE(InfoExtractor):
         min_abr = min(traverse_obj(audios, (..., 'bitRate', {float_or_none})), default=0) / 1000
         for video_fmt in video_fmts:
             video_fmt['tbr'] -= min_abr
-            video_fmt['format_id'] = f'video-{video_fmt["tbr"]:.0f}'
+            video_fmt['format_id'] = url_basename(video_fmt['url']).rpartition('.')[0]
+            video_fmt['quality'] = traverse_obj(videos, (
+                lambda _, v: v['id'] == video_fmt['format_id'], 'qualityLevel', {int_or_none}, any)) or -1
             yield video_fmt
 
     def _real_extract(self, url):