– The air polluted again in the United States because of the Canadian fires
Several American cities are covered in a thick layer of smoke, from Chicago to Washington, due to the fires in Canada.
Published: 28.06.2023, 23:43
The city of Chicago is enveloped in a thick layer of smoke.
AFP
Residents of the American Midwest are again immersed in air on Wednesday heavily polluted by smoke from fires in Canada, the second episode of air pollution linked to these fires this month in the United States. In Chicago, the country’s third-largest city, skies are gray for the second day in a row and some residents have put on masks to get around.
The authorities have advised limiting the time spent outdoors, especially for children or pregnant women. Chance of the calendar, President Joe Biden went to Chicago on Wednesday to talk about the economy. If he did not mention the subject of the fires, his plane landed in a thick layer of smoke and fog.
Also in Detroit or Indianapolis, the air pollution index of the US Environmental Protection Agency (EPA) indicates a level “very harmful” to health. The smoke is gradually moving east and began to reach the Washington area by midday. A dusty air, and with a slightly acrid smell, came to spoil a day which promised to be sunny in the American capital.
“One of these events in the year would already be remarkable, but this will be our second in a month”, underlined on Twitter Ryan Stauffer, NASA scientist specializing in air pollution. At the beginning of the month, a particularly impressive first episode of air pollution affected the entire northeastern United States.
Smoke in the north, heat in the south
Images of New York bathed in orange light made headlines. New York authorities have also set up mask distributions this week, but the city is spared for the moment. On the other hand, the air quality is also very poor in Toronto on Wednesday, according to measurements by Canadian authorities.
A study assessing the direct link between these current fires and climate change has not yet been conducted. But scientists insist that global warming, caused by human activities, generally exacerbates the risk of fires and their intensity.
In early June, Joe Biden judged that this air pollution represented “a stark reminder of the consequences of climate change”. On Monday, NASA said smoke from the Canadian fires had even reached southwestern Europe. In particular, it published a satellite image showing a gray cloud over northern Spain and Portugal.
500 forest fires
But the quality of the air should however remain acceptable there, because the smoke is higher in the atmosphere when it arrives in Europe, specified NASA. Some 500 forest fires are currently active in Canada, half of which are considered out of control. Quebec in particular is experiencing a historic and particularly early fire season.
This crisis is likely to continue, because the peak of summer is far from being reached, and follows a very dry spring. At the same time, a vast heat wave continues to overwhelm the southern United States. It has been affecting Texas in particular for days, but continues to move eastward, hitting the Mississippi Valley region hard.
While this episode of extreme temperatures is particularly long, the danger, especially for fragile populations, is increased by prolonged exposure, warned the American meteorological services. However, a “slight respite” is expected for this weekend in these regions, they said.
AFP
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2023-06-28 21:43:29
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