"winter pollution"

#13266942

2 February 2026

A sign warns the community about the high levels of aircraft noise near Pearson International Airport on a cold winter day in Mississauga, Ontario, Canada, on January 31, 2026.

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#13264453

1 February 2026

People burn scraped wire to extract copper on the banks of the river Jhelum, covered in snow, in Sopore, Jammu and Kashmir, India, on February 1, 2026.

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#13263918

1 February 2026

Smoke from a power plant is seen as a polar vortex causes daytime temperatures to hover around -17 degrees Celsius in Brampton, Ontario, Canada, on January 31, 2026.

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#13263925

1 February 2026

Smoke from a factory is seen as a polar vortex causes daytime temperatures to hover around -17 degrees Celsius in Brampton, Ontario, Canada, on January 31, 2026.

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#13256133

30 January 2026

Smoke rises from a chimney at a coal mine in winter in the Donetsk region, Ukraine, on January 23, 2026.

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#13233062

24 January 2026

KAZIMIERZ DOLNY, POLAND – JANUARY 23: A DJI drone is seen during a cold winter afternoon in Kazimierz Dolny, Lublin Voivodeship, Poland, on January 23, 2026.

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#13233064

24 January 2026

KAZIMIERZ DOLNY, POLAND – JANUARY 23: Brown smoke rises from residential chimneys during winter in Kazimierz Dolny, Lublin Voivodeship, Poland, on January 23, 2026.

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#13229425

22 January 2026

KRAKOW, POLAND – JANUARY 20: A view of Krakow’s Podgorze district and Old Town from Krakus Mound as the city experiences 'Very Unhealthy' air pollution levels (AQI over 200), ranking it among the world’s most polluted cities on January 20, 2026, in Krakow, Poland.

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#13229426

22 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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#13229427

22 January 2026

KRAKOW, POLAND – JANUARY 20: A view of Krakow from Krakus Mound as the city experiences 'Very Unhealthy' air pollution levels (AQI over 200), ranking it among the world’s most polluted cities on January 20, 2026, in Krakow, Poland.

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#13229428

22 January 2026

KRAKOW, POLAND – JANUARY 20: A view of Krakow’s Podgorze district and Old Town from Krakus Mound as the city experiences 'Very Unhealthy' air pollution levels (AQI over 200), ranking it among the world’s most polluted cities on January 20, 2026, in Krakow, Poland.

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#13229429

22 January 2026

KRAKOW, POLAND – JANUARY 20: A view of Krakow from Krakus Mound as the city experiences 'Very Unhealthy' air pollution levels (AQI over 200), ranking it among the world’s most polluted cities on January 20, 2026, in Krakow, Poland.

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#13229430

22 January 2026

KRAKOW, POLAND – JANUARY 20: A view of Krakow’s Podgorze district and Old Town from Krakus Mound as the city experiences 'Very Unhealthy' air pollution levels (AQI over 200), ranking it among the world’s most polluted cities on January 20, 2026, in Krakow, Poland.

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#13229431

22 January 2026

KRAKOW, POLAND – JANUARY 20: A view of Krakow’s Podgorze district and Old Town from Krakus Mound as the city experiences 'Very Unhealthy' air pollution levels (AQI over 200), ranking it among the world’s most polluted cities on January 20, 2026, in Krakow, Poland.

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#13229433

22 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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#13229432

22 January 2026

KRAKOW, POLAND – JANUARY 20: A view of Krakow’s Podgorze district and Old Town from Krakus Mound as the city experiences 'Very Unhealthy' air pollution levels (AQI over 200), ranking it among the world’s most polluted cities on January 20, 2026, in Krakow, Poland.

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