"second most polluted city"

#12451331

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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#12451333

7 June 2025

A woman walks along the road 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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#12451334

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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#12451335

7 June 2025

Haze from wildfire smoke is seen as the sun passes by a cloud 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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#12451336

7 June 2025

Haze from wildfire smoke is seen as the sun passes by a cloud 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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#12451337

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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#12451338

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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#12451339

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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#12451340

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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#12451341

7 June 2025

Men unload sugarcane from a van 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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#12451342

7 June 2025

Children are outside as haze from wildfire smoke is visible 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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#12451344

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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#12451345

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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#12451346

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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#12451347

7 June 2025

People ride on an electric bike 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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#12451348

7 June 2025

A man jogs 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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