GPS interference on 21 April 2026

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As of , from flights on 21 April 2026: 1,012 of 21,255 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 2,172.

Source: GPSInterference.com, https://gpsinterference.com/day/2026-04-21. Free to reuse with this credit and a link.

By region

High-interference hexagons by region, 21 April 2026. Source: GPSInterference.com.
RegionHigh-interference hexagonsShare of the region's hexagons
Baltic Sea22911.9%
South and Southeast Asia17011.8%
Eastern Europe15028.0%
Eastern Mediterranean12447.4%
Black Sea11636.8%
Americas760.7%
Middle East4441.8%
East Asian Seas445.0%
Africa112.5%
Oceania81.0%
Worldwide1,0124.8%

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%Sep 2025NovJan 2026MarMayJulSepNov 0%5%10%15%20%Sep 2025Jan 2026MaySep

Cite this day

GPSInterference.com, daily summary for 21 April 2026, https://gpsinterference.com/day/2026-04-21

This day's data: https://api.gpsinterference.com/v1/interference/2026-04-21. How to read it.