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US Health Emergency: The situation of air pollution has become very serious in many cities of America. In such a situation, about half a million Americans have been warned to stay indoors and keep their windows and doors closed, because the level of toxic elements in the air near the Gulf Coast has increased significantly. On the morning of Thursday (May 08, 2026), a 150-mile-wide layer of polluted air (plume) was detected over parts of Louisiana, Texas and Arkansas in the US by air quality monitoring centers in the south. This situation has persisted for the last 24 hours. The city of Shreveport in northern Louisiana has been hardest hit by air pollution, with a large metropolitan area of ​​more than 380,000 people.

According to experts, a rapid increase is being recorded in the level of fine particulate matter present in the air. These very small particles of poisonous compounds or heavy metals often come out of the exhaust fumes of factories and vehicles. These are so small that they can penetrate deep into the lungs. After this, if inhaled, they have the potential to cause swelling, difficulty in breathing and other health problems.

AQI between 300 to 500 is causing concern

According to the World Air Quality Index Project, a non-profit organization that provides real-time data on air pollution in hundreds of countries, the air quality index (AQI) in Shreveport has increased to 250, which is dangerous for people’s health. Let us tell you here that the level of air quality around the world is measured on a scale of 0 to 500. 0-50 means the healthiest air. At the same time, when the quality of outside air reaches close to the ‘hazardous zone’ of 300 to 500. In such a situation, the US Environmental Protection Agency (EPA) issues a warning that all people should avoid doing any kind of physical activity outside. If possible, do not open the windows and doors of the house. Use air purifier.

even life can know

The Louisiana Department of Environmental Quality has confirmed that PM2.5 levels have increased to the hazardous zone for human health. On Thursday (May 7, 2026), a large cloud of air pollution has formed in parts of Louisiana, Texas and Arkansas. These levels of air pollution can worsen respiratory diseases, such as asthma, and cause heart attacks and strokes, which can lead to premature death. However, even people who do not have any health problems may have difficulty breathing at this level of PM2.5.

postpone plans to go out

On the other hand, AccuWeather warned in an alert that even healthy people may experience difficulty in breathing and burning sensation in the throat. Consider staying indoors and avoiding outdoor activities. Let us tell you here that PM10 is a type of particulate matter, which is made up of small solid particles or liquid droplets floating in the air. They are less than ten micrometers in diameter—thinner than a human hair—but still much larger than PM2.5 particles. To understand the impact of stagnant air on large cities, it is helpful to look at atmospheric pressure. Pressure is measured in millibars.

People are being advised to stay at home

According to experts, the normal pressure at sea level is 1,013 millibars. As air pollution increases, people with heart or lung disease, the elderly, children, and pregnant women may be particularly at risk from this dense pollution; They should stay indoors and keep their physical activities to a minimum. Health officials have also urged all the people living in these areas to keep their windows and doors closed, so that outside pollution does not come inside the house. Using air conditioner or air purifier can also be helpful in this.

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