"second most polluted city"

#12555320

15 July 2025

Haze from wildfire smoke is seen in Toronto, Ontario, Canada, on July 14, 2025. An air quality warning is issued for the city of Toronto as smoke from forest fires over Northern Ontario moves into the area and causes air quality to deteriorate significantly. Toronto's air quality is currently ranked second worst in the world, according to data from Swiss air quality tracker IQAir. The advisory states that during heavy smoke conditions, everyone's health is at risk regardless of their age or health status. People are advised to limit time outdoors and to reschedule or cancel outdoor sports, activities, and events. Toronto is the second-most polluted major city in the world as of 8 a.m. on Monday. The area burned by wildfires so far this season is the second-largest on record in Canada. Wildfires have consumed 3.7 million hectares this year. Environment Canada warns last year that Canadians should be prepared for more extreme weather events, such as wildfires and hurricanes, triggered by human-caused climate change.

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#12555324

15 July 2025

Haze from wildfire smoke is seen in Toronto, Ontario, Canada, on July 14, 2025. An air quality warning is issued for the city of Toronto as smoke from forest fires over Northern Ontario moves into the area and causes air quality to deteriorate significantly. Toronto's air quality is currently ranked second worst in the world, according to data from Swiss air quality tracker IQAir. The advisory states that during heavy smoke conditions, everyone's health is at risk regardless of their age or health status. People are advised to limit time outdoors and to reschedule or cancel outdoor sports, activities, and events. Toronto is the second-most polluted major city in the world as of 8 a.m. on Monday. The area burned by wildfires so far this season is the second-largest on record in Canada. Wildfires have consumed 3.7 million hectares this year. Environment Canada warns last year that Canadians should be prepared for more extreme weather events, such as wildfires and hurricanes, triggered by human-caused climate change.

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#12555326

15 July 2025

Haze from wildfire smoke is seen in Toronto, Ontario, Canada, on July 14, 2025. An air quality warning is issued for the city of Toronto as smoke from forest fires over Northern Ontario moves into the area and causes air quality to deteriorate significantly. Toronto's air quality is currently ranked second worst in the world, according to data from Swiss air quality tracker IQAir. The advisory states that during heavy smoke conditions, everyone's health is at risk regardless of their age or health status. People are advised to limit time outdoors and to reschedule or cancel outdoor sports, activities, and events. Toronto is the second-most polluted major city in the world as of 8 a.m. on Monday. The area burned by wildfires so far this season is the second-largest on record in Canada. Wildfires have consumed 3.7 million hectares this year. Environment Canada warns last year that Canadians should be prepared for more extreme weather events, such as wildfires and hurricanes, triggered by human-caused climate change.

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#12555329

15 July 2025

Haze from wildfire smoke is seen in Toronto, Ontario, Canada, on July 14, 2025. An air quality warning is issued for the city of Toronto as smoke from forest fires over Northern Ontario moves into the area and causes air quality to deteriorate significantly. Toronto's air quality is currently ranked second worst in the world, according to data from Swiss air quality tracker IQAir. The advisory states that during heavy smoke conditions, everyone's health is at risk regardless of their age or health status. People are advised to limit time outdoors and to reschedule or cancel outdoor sports, activities, and events. Toronto is the second-most polluted major city in the world as of 8 a.m. on Monday. The area burned by wildfires so far this season is the second-largest on record in Canada. Wildfires have consumed 3.7 million hectares this year. Environment Canada warns last year that Canadians should be prepared for more extreme weather events, such as wildfires and hurricanes, triggered by human-caused climate change.

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#12555336

15 July 2025

Haze from wildfire smoke is seen in Toronto, Ontario, Canada, on July 14, 2025. An air quality warning is issued for the city of Toronto as smoke from forest fires over Northern Ontario moves into the area and causes air quality to deteriorate significantly. Toronto's air quality is currently ranked second worst in the world, according to data from Swiss air quality tracker IQAir. The advisory states that during heavy smoke conditions, everyone's health is at risk regardless of their age or health status. People are advised to limit time outdoors and to reschedule or cancel outdoor sports, activities, and events. Toronto is the second-most polluted major city in the world as of 8 a.m. on Monday. The area burned by wildfires so far this season is the second-largest on record in Canada. Wildfires have consumed 3.7 million hectares this year. Environment Canada warns last year that Canadians should be prepared for more extreme weather events, such as wildfires and hurricanes, triggered by human-caused climate change.

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#12451343

7 June 2025

A city worker wears protective clothing as haze from wildfire smoke is seen in Toronto, Ontario, Canada, on June 6, 2025. Toronto's air quality ranks among the worst in the world today as smoke from wildfires burning in Manitoba, Saskatchewan, and Alberta drifts into the region. Toronto's air quality is currently the second most polluted major city in the world, according to a ranking by IQAir, a Swiss air quality technology company. This places it below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces. Environment Canada urges residents to limit their time spent outdoors and suggests that people consider reducing or rescheduling outdoor sports, activities, and events. Environment Canada notes that smoke may cause mild irritation to the eyes, nose, and throat, and may lead to headaches or a mild cough, as well as wheezing, chest pains, or severe cough.

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#12451319

7 June 2025

A food delivery driver wears a face mask as haze from wildfire smoke is visible in Toronto, Ontario, Canada, on June 06, 2025. Toronto's air quality ranks among the worst in the world today as smoke from wildfires burning in Manitoba, Saskatchewan, and Alberta drifts into the region. Toronto's air quality is currently the second most polluted major city in the world, according to a ranking by IQAir, a Swiss air quality technology company. This places it below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces. Environment Canada urges residents to limit their time spent outdoors and suggests that people consider reducing or rescheduling outdoor sports, activities, and events. Environment Canada notes that smoke may cause mild irritation to the eyes, nose, and throat, and may lead to headaches or a mild cough as well as wheezing, chest pains, or severe cough.

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#12451320

7 June 2025

Haze from wildfire smoke is seen in Toronto, Ontario, Canada, on June 06, 2025. Toronto's air quality ranks among the worst in the world today as smoke from wildfires burning in Manitoba, Saskatchewan, and Alberta drifts into the region. Toronto's air quality is currently the second most polluted major city in the world, according to a ranking by IQAir, a Swiss air quality technology company. This places it below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces. Environment Canada urges residents to limit their time spent outdoors and suggests that people consider reducing or rescheduling outdoor sports, activities, and events. Environment Canada notes that smoke may cause mild irritation to the eyes, nose, and throat, and may lead to headaches or a mild cough as well as wheezing, chest pains, or severe cough.

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#12451322

7 June 2025

Haze from wildfire smoke is seen in Toronto, Ontario, Canada, on June 06, 2025. Toronto's air quality ranks among the worst in the world today as smoke from wildfires burning in Manitoba, Saskatchewan, and Alberta drifts into the region. Toronto's air quality is currently the second most polluted major city in the world, according to a ranking by IQAir, a Swiss air quality technology company. This places it below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces. Environment Canada urges residents to limit their time spent outdoors and suggests that people consider reducing or rescheduling outdoor sports, activities, and events. Environment Canada notes that smoke may cause mild irritation to the eyes, nose, and throat, and may lead to headaches or a mild cough as well as wheezing, chest pains, or severe cough.

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#12451323

7 June 2025

Haze from wildfire smoke is seen in Toronto, Ontario, Canada, on June 06, 2025. Toronto's air quality ranks among the worst in the world today as smoke from wildfires burning in Manitoba, Saskatchewan, and Alberta drifts into the region. Toronto's air quality is currently the second most polluted major city in the world, according to a ranking by IQAir, a Swiss air quality technology company. This places it below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces. Environment Canada urges residents to limit their time spent outdoors and suggests that people consider reducing or rescheduling outdoor sports, activities, and events. Environment Canada notes that smoke may cause mild irritation to the eyes, nose, and throat, and may lead to headaches or a mild cough as well as wheezing, chest pains, or severe cough.

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#12451324

7 June 2025

Haze from wildfire smoke is seen in Toronto, Ontario, Canada, on June 06, 2025. Toronto's air quality ranks among the worst in the world today as smoke from wildfires burning in Manitoba, Saskatchewan, and Alberta drifts into the region. Toronto's air quality is currently the second most polluted major city in the world, according to a ranking by IQAir, a Swiss air quality technology company. This places it below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces. Environment Canada urges residents to limit their time spent outdoors and suggests that people consider reducing or rescheduling outdoor sports, activities, and events. Environment Canada notes that smoke may cause mild irritation to the eyes, nose, and throat, and may lead to headaches or a mild cough as well as wheezing, chest pains, or severe cough.

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#12451325

7 June 2025

Haze from wildfire smoke is seen in Toronto, Ontario, Canada, on June 06, 2025. Toronto's air quality ranks among the worst in the world today as smoke from wildfires burning in Manitoba, Saskatchewan, and Alberta drifts into the region. Toronto's air quality is currently the second most polluted major city in the world, according to a ranking by IQAir, a Swiss air quality technology company. This places it below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces. Environment Canada urges residents to limit their time spent outdoors and suggests that people consider reducing or rescheduling outdoor sports, activities, and events. Environment Canada notes that smoke may cause mild irritation to the eyes, nose, and throat, and may lead to headaches or a mild cough as well as wheezing, chest pains, or severe cough.

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#12451326

7 June 2025

Haze from wildfire smoke is seen in Toronto, Ontario, Canada, on June 06, 2025. Toronto's air quality ranks among the worst in the world today as smoke from wildfires burning in Manitoba, Saskatchewan, and Alberta drifts into the region. Toronto's air quality is currently the second most polluted major city in the world, according to a ranking by IQAir, a Swiss air quality technology company. This places it below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces. Environment Canada urges residents to limit their time spent outdoors and suggests that people consider reducing or rescheduling outdoor sports, activities, and events. Environment Canada notes that smoke may cause mild irritation to the eyes, nose, and throat, and may lead to headaches or a mild cough as well as wheezing, chest pains, or severe cough.

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#12451328

7 June 2025

Haze from wildfire smoke is seen in Toronto, Ontario, Canada, on June 06, 2025. Toronto's air quality ranks among the worst in the world today as smoke from wildfires burning in Manitoba, Saskatchewan, and Alberta drifts into the region. Toronto's air quality is currently the second most polluted major city in the world, according to a ranking by IQAir, a Swiss air quality technology company. This places it below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces. Environment Canada urges residents to limit their time spent outdoors and suggests that people consider reducing or rescheduling outdoor sports, activities, and events. Environment Canada notes that smoke may cause mild irritation to the eyes, nose, and throat, and may lead to headaches or a mild cough as well as wheezing, chest pains, or severe cough.

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#12451329

7 June 2025

A woman wears a face mask as haze from wildfire smoke is seen in Toronto, Ontario, Canada, on June 6, 2025. Toronto's air quality ranks among the worst in the world today as smoke from wildfires burning in Manitoba, Saskatchewan, and Alberta drifts into the region. Toronto's air quality is currently the second most polluted major city in the world, according to a ranking by IQAir, a Swiss air quality technology company. This places it below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces. Environment Canada urges residents to limit their time spent outdoors and consider reducing or rescheduling outdoor sports, activities, and events. Environment Canada notes that smoke may cause mild irritation to the eyes, nose, and throat, and may lead to headaches or a mild cough, as well as wheezing, chest pains, or severe cough.

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#12451330

7 June 2025

A woman wears a face mask as haze from wildfire smoke is seen in Toronto, Ontario, Canada, on June 6, 2025. Toronto's air quality ranks among the worst in the world today as smoke from wildfires burning in Manitoba, Saskatchewan, and Alberta drifts into the region. Toronto's air quality is currently the second most polluted major city in the world, according to a ranking by IQAir, a Swiss air quality technology company. This places it below Santiago, Chile, and above Montreal, which is in third place as it also faces wildfire smoke from western provinces. Environment Canada urges residents to limit their time spent outdoors and consider reducing or rescheduling outdoor sports, activities, and events. Environment Canada notes that smoke may cause mild irritation to the eyes, nose, and throat, and may lead to headaches or a mild cough, as well as wheezing, chest pains, or severe cough.

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