Air pollution haze is seen over Krakow and its northern suburbs as temperatures dropped below 0 degree Celsius. The air pollution was declared very unhealthy and particulate matter ( ) concentration was 30 times more than the World Health Organization (WHO) annual air quality guidelines. The low temperatures forced the city inhabitants to heat up their homes.


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Photo credit: © SOPA Images / Alamy / Afripics
License: Licensed
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Keywords: air, climate, cold, crisis, freezing, haze, health, krakow, , pollution, temperature, weather