Taiwan Strait Monitor

PLA air activity, ADIZ entries, median-line crossings and maritime presence

Prototype · source-led · not real-time

Daily activity

Official monthly historical series (Sep 2023–Aug 2025)

Source: Taiwan Ministry of National Defense, 2025 National Defense Report, chart on printed page 35. Vessel figures are rounded monthly averages.

Daily source register

DateAircraftADIZMedian linePLANOther officialConfidenceSource

Missing values are left blank, not treated as zero. December 2022 sample records are flagged for revalidation. Daily sample coverage is incomplete and non-consecutive. This dashboard does not yet ingest MND reports automatically.