The hole over Ukraine is definitely the lack of civilian flights.
Another notable spot is Kaliningrad, the Russian exclave. It looks relatively normal on some days, like today, but on others like yesterday it's covered by solid red stretching far into Poland, Sweden and even Germany.
Another notable spot is Kaliningrad, the Russian exclave. It looks relatively normal on some days, like today, but on others like yesterday it's covered by solid red stretching far into Poland, Sweden and even Germany.