"air quality level"

#13224948

21 January 2026

An interactive board displaying PM10 dust level is seen in Krakow, Poland on January 21, 2026. For the second day an alert has been issued by the city authorities due to excessive PM10 levels and low air quality.

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#13224947

21 January 2026

An interactive board displaying PM10 dust level is seen in Krakow, Poland on January 21, 2026. For the second day an alert has been issued by the city authorities due to excessive PM10 levels and low air quality.

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#13220857

20 January 2026

A view of the city with the Saint Mary's church as smog is seen above in Krakow, Poland on January 20, 2026. An alert has been issued by the city authorities due to excessive PM10 levels and low air quality.

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#13220855

20 January 2026

A view of the city with the Wawel castle as smog is seen above in Krakow, Poland on January 20, 2026. An alert has been issued by the city authorities due to excessive PM10 levels and low air quality.

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#13220856

20 January 2026

A view of the city as smog is seen above in Krakow, Poland on January 20, 2026. An alert has been issued by the city authorities due to excessive PM10 levels and low air quality.

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#13220858

20 January 2026

A view of the city and a person at the Kosciuszko Mound as smog is seen above in Krakow, Poland on January 20, 2026. An alert has been issued by the city authorities due to excessive PM10 levels and low air quality.

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#13220753

20 January 2026

Air quality display board showing PM10 air quality level exceeding safe limits is seen in Krakow, Poland on January 20th, 2026. Today Krakow was the most polluted city in the world. Due to high air pollution citizens are recommended to limit outdoor activities and public city transport is free of charge.

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#13220756

20 January 2026

Air quality display board showing PM10 air quality level exceeding safe limits is seen in Krakow, Poland on January 20th, 2026. Today Krakow was the most polluted city in the world. Due to high air pollution citizens are recommended to limit outdoor activities and public city transport is free of charge.

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#13220693

20 January 2026

KRAKOW, POLAND, JANUARY 20: View of Krakow's suburban district skyline obscured by heavy air pollution, seen from Krakus Mound, during very high levels of PM2.5 and 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.

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#13220722

20 January 2026

KRAKOW, POLAND, JANUARY 20: The city of Krakow introduced free public transport as air pollution exceeded safety limits, 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.

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#13220721

20 January 2026

KRAKOW, POLAND, JANUARY 20: A view over Krakow's Nowa Huta district, with the Krakow district heating and power plant in the background, as air pollution reaches 'Very Unhealthy' levels (AQI over 200), ranking the city among the most polluted in the world on the date. in Krakow, Poland, on January 20, 2026.

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#13220701

20 January 2026

KRAKOW, POLAND, JANUARY 20: An information board displays high levels of PM2.5 and 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.

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#13220689

20 January 2026

KRAKOW, POLAND, JANUARY 20: A view over Krakow seen from Krakus Mound, during a very high levels of PM2.5 and 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.

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#13220690

20 January 2026

KRAKOW, POLAND, JANUARY 20: View of Krakow's suburban district skyline obscured by heavy air pollution, seen from Krakus Mound, during very high levels of PM2.5 and 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.

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#13220691

20 January 2026

KRAKOW, POLAND, JANUARY 20: A view over Krakow seen from Krakus Mound, during a very high levels of PM2.5 and 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.

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#13220692

20 January 2026

KRAKOW, POLAND, JANUARY 20: A view over Krakow seen from Krakus Mound, during a very high levels of PM2.5 and 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.

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