China breaching Taiwan's sea and airspace in the Taiwan Strait, west of Taiwan, has been continuing for years, but the Pelosi Crisis has changed all that. Since Pelosi arrived in Taiwan and has now left it, China is holding live fire drills actually surrounding Taiwan. This is deterring airlines and shipping from traveling to-from Taiwain - effectively a blockade situation. (Map/Graphics courtesy Taiwan's Focus Taiwan).
Pelosi usurping US Presidential dominance in Taiwan-China policy has made things worse.
The Guardian reports August 4, 2022:
"...China is to begin a series of unprecedented live-fire drills that would effectively blockade the island of Taiwan, just hours after the departure of US House speaker, Nancy Pelosi, whose controversial visit this week has sparked fears of a crisis in the Taiwan strait.
Taiwan has characterised the drills, which will last until Sunday afternoon – and will include missile tests and other “military operations” as close as nine miles to Taiwan’s coastline – as a violation of international law.
While China’s military often holds live-fire exercises in the strait and surrounding seas, those planned for this week encircle Taiwan’s main island and target areas within its territorial sea.
Ahead of the drill, it said 27 Chinese warplanes had entered its air defence identification zone, including flights over the median line – the unofficial border in the Taiwan strait. On Wednesday night two suspected drones flew over Taiwan’s outlying Kinmen Island, with Taiwan’s military firing flares in response...."