Kraków air has improved in recent years, but it still regularly records some of the worst pollution in the world.

Kraków air has improved in recent years, but it still regularly records some of the worst pollution in the world.
The government hopes to replace half of the one million coal-fired boilers still in use in buildings containing multiple dwellings by 2030.
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Maria Wilczek
But economic and bureaucratic obstacles stand in the way of tackling the smog.
It causes around 50,000 premature deaths in the country annually, finds the European Environment Agency.
The “See What You Breathe” campaign will tour 18 towns.
Their levels of black carbon were five times higher than children in France.
A loophole had previously prevented some households from accessing funds.
Reduced air pollution may have prevented almost 800 premature deaths in April.
Polish Smog Alarm, an NGO, has published its annual ranking of Polish cities with the worst average air quality.