Commuters walk on a pavement in northern Krakow as air pollution haze is seen over the city 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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Size: 4533px × 3022px
Photo credit: © SOPA Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, city, climate, cold, commuters, crisis, freezing, haze, health, krakow, pavement, , pollution, temperature, walk, walking, weather