Editorial photo #13220677 Environmental Issue
Krakow Introduces Free Public Transport As Air Pollution Exceeds Safety Limits
KRAKOW, POLAND, JANUARY 20: Street in central Krakow during very high levels of PM10 air pollution in Krakow, Poland, on January 20, 2026. A thick layer of smog persisted throughout the day as air quality indicators reached 'Very Unhealthy' levels (AQI over 200), ranking the city among the world's most polluted for the date. (Photo by Artur Widak/NurPhoto)