"pollution ranking"

#12450251

7 June 2025

MONTREAL, CANADA - JUNE 6: A view of Montreal's Jacques Cartier Bridge area obscured by travelling wildfire smoke, in Montreal, Quebec, Canada, on June 6, 2025. As hundreds of wildfires rage across Canada, drifting smoke has triggered emergency evacuations, power outages, and air quality alerts in Ontario, Quebec, and parts of the U.S., with Montreal ranking as the second most polluted city in the world on June 6, ahead of Delhi and Santiago, and Toronto placing fourth, according to IQAir.

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#12450257

7 June 2025

MONTREAL, CANADA - JUNE 6: A view of Montreal's harbour area obscured by travelling wildfire smoke, seen from Longueuil Marina, in Montreal, Quebec, Canada, on June 6, 2025. As hundreds of wildfires rage across Canada, drifting smoke has triggered emergency evacuations, power outages, and air quality alerts in Ontario, Quebec, and parts of the U.S., with Montreal ranking as the second most polluted city in the world on June 6, ahead of Delhi and Santiago, and Toronto placing fourth, according to IQAir.

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#12450246

7 June 2025

MONTREAL, CANADA - JUNE 6: A view of Montreal's Jacques Cartier Bridge area obscured by travelling wildfire smoke, in Montreal, Quebec, Canada, on June 6, 2025. As hundreds of wildfires rage across Canada, drifting smoke has triggered emergency evacuations, power outages, and air quality alerts in Ontario, Quebec, and parts of the U.S., with Montreal ranking as the second most polluted city in the world on June 6, ahead of Delhi and Santiago, and Toronto placing fourth, according to IQAir.

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#12450243

7 June 2025

MONTREAL, CANADA - JUNE 6: A view of Montreal's harbour area obscured by travelling wildfire smoke, in Montreal, Quebec, Canada, on June 6, 2025. As hundreds of wildfires rage across Canada, drifting smoke has triggered emergency evacuations, power outages, and air quality alerts in Ontario, Quebec, and parts of the U.S., with Montreal ranking as the second most polluted city in the world on June 6, ahead of Delhi and Santiago, and Toronto placing fourth, according to IQAir.

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#12450244

7 June 2025

MONTREAL, CANADA - JUNE 6: A view of Montreal's harbour area with Olympic Stadium in the background, obscured by travelling wildfire smoke, in Montreal, Quebec, Canada, on June 6, 2025. As hundreds of wildfires rage across Canada, drifting smoke has triggered emergency evacuations, power outages, and air quality alerts in Ontario, Quebec, and parts of the U.S., with Montreal ranking as the second most polluted city in the world on June 6, ahead of Delhi and Santiago, and Toronto placing fourth, according to IQAir.

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#12450245

7 June 2025

MONTREAL, CANADA - JUNE 6: A view of Montreal's harbour area obscured by travelling wildfire smoke, in Montreal, Quebec, Canada, on June 6, 2025. As hundreds of wildfires rage across Canada, drifting smoke has triggered emergency evacuations, power outages, and air quality alerts in Ontario, Quebec, and parts of the U.S., with Montreal ranking as the second most polluted city in the world on June 6, ahead of Delhi and Santiago, and Toronto placing fourth, according to IQAir.

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#12450242

7 June 2025

MONTREAL, CANADA - JUNE 6: A view of Montreal's Jacques Cartier Bridge area obscured by travelling wildfire smoke, in Montreal, Quebec, Canada, on June 6, 2025. As hundreds of wildfires rage across Canada, drifting smoke has triggered emergency evacuations, power outages, and air quality alerts in Ontario, Quebec, and parts of the U.S., with Montreal ranking as the second most polluted city in the world on June 6, ahead of Delhi and Santiago, and Toronto placing fourth, according to IQAir.

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#12219012

1 April 2025

Increased pollution in Kathmandu Valley turns the setting sun orangish in Kathmandu, Nepal, on April 1, 2025. The Air Quality Index (AQI) of Kathmandu remains very unhealthy, with the quality of air hovering above 200, making the Nepali capital the most polluted city in the world.

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#12219013

1 April 2025

Increased pollution in Kathmandu Valley turns the setting sun orangish in Kathmandu, Nepal, on April 1, 2025. The Air Quality Index (AQI) of Kathmandu remains very unhealthy, with the quality of air hovering above 200, making the Nepali capital the most polluted city in the world.

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#12219014

1 April 2025

Increased pollution in Kathmandu Valley turns the setting sun orangish in Kathmandu, Nepal, on April 1, 2025. The Air Quality Index (AQI) of Kathmandu remains very unhealthy, with the quality of air hovering above 200, making the Nepali capital the most polluted city in the world.

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#12183940

22 March 2025

People cross by boat over the pitch-black water of the polluted Buriganga River in Dhaka, Bangladesh, on March 22, 2025. Bangladesh reportedly ranks 10th out of the top 20 plastic polluters in the world due to rampant dumping of industrial and human waste.

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#12183941

22 March 2025

People cross by boat over the pitch-black water of the polluted Buriganga River in Dhaka, Bangladesh, on March 22, 2025. Bangladesh reportedly ranks 10th out of the top 20 plastic polluters in the world due to rampant dumping of industrial and human waste.

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#12183942

22 March 2025

People cross by boat over the pitch-black water of the polluted Buriganga River in Dhaka, Bangladesh, on March 22, 2025. Bangladesh reportedly ranks 10th out of the top 20 plastic polluters in the world due to rampant dumping of industrial and human waste.

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#12183944

22 March 2025

People cross by boat over the pitch-black water of the polluted Buriganga River in Dhaka, Bangladesh, on March 22, 2025. Bangladesh reportedly ranks 10th out of the top 20 plastic polluters in the world due to rampant dumping of industrial and human waste.

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#11968966

21 January 2025

Kathmandu, the capital of Nepal, is shrouded by a polluted haze as the pollution level rises in the bowl-shaped valley. Kathmandu Valley ranks on the list of the world's most air-polluted cities in Nepal on January 21, 2025.

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#11968967

21 January 2025

Kathmandu, the capital of Nepal, is shrouded by a polluted haze as the pollution level rises in the bowl-shaped valley. Kathmandu Valley ranks on the list of the world's most air-polluted cities in Nepal on January 21, 2025.

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