Not Irkutsk, but in the Irkutsk Oblast.
Bratsk airport. Strangely there does not seem to be the usual Russian aeronautical junkyard here - just a lot of empty fighter alert pads.
I don't think I want to go there - some quotes from Wikipedia:
Bratsk was among the Blacksmith Institute's "Dirty Thirty", the thirty most polluted places in the world.
and
Bratsk has been declared an ecological disaster zone. The Bratsk Aluminium Plant has been polluting its surroundings to such great degree that the town of Chikanovskiy was evacuated in 2001 due to repeated health emergencies.