GPS interference on 21 April 2025

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As of , from flights on 21 April 2025: 946 of 17,926 map hexagons with enough traffic to measure (5%) showed high interference, meaning more than one aircraft in ten there reported poor GPS accuracy. The count in the medium band, between 3 and 10%, was 1,258.

Source: GPSInterference.com, https://gpsinterference.com/day/2025-04-21. Free to reuse with this credit and a link.

By region

High-interference hexagons by region, 21 April 2025. Source: GPSInterference.com.
RegionHigh-interference hexagonsShare of the region's hexagons
Baltic Sea31324.2%
South and Southeast Asia12110.6%
Eastern Europe12027.2%
Americas1041.3%
Black Sea9534.0%
Oceania669.4%
Eastern Mediterranean5617.2%
East Asian Seas214.8%
Middle East1518.0%
Western Europe20.1%
Worldwide9465.3%

Each hexagon is counted once, in the first region listed that holds it; hexagons outside every listed region count in the total only. The region pages count every hexagon inside their own boundaries, which overlap, so they may show higher counts.

0%5%10%15%20%Jul 2023Jan 2024JulJan 2025JulJan 2026Jul 15.8%19 Jun 202511% 0%5%10%15%20%Jan 2024DecNovOct 15.8%19 Jun 202511%

Cite this day

GPSInterference.com, daily summary for 21 April 2025, https://gpsinterference.com/day/2025-04-21

This day's data: https://api.gpsinterference.com/v1/interference/2025-04-21. How to read it.