YOGYAKARTA The red sun phenomenon in the United States looks charming. This scene produces beautiful photos, but the cause of this change is unpleasant.
This strange natural phenomenon has been seen for a week in the skies of New York, New Jersey, Chicago, Illinois, and Iowa.
So, what causes the sun in America to look so red?
The red sun phenomenon seen in New York to Iowa was caused by forest fires that hit parts of Canada, especially in Alberta.
According to a Daily Mail report, the fire scorched more than 800 thousand hectares of land with a total of more than 90 forest fires.
Smoke from forest fires spreads to a distance of 2,000 miles (3,600 km), and creates a layer of fog that penetrates the sun so that it looks red.
The burning bright red color is caused by smoke particles screening shorter wavelengths of light, so only red and orange wavelengths are visible. The sun also appears dim due to thick smoke blowing from Canada.
Then, what is the impact of forest fires in Canada?
According to meteorologists, smoke particles caused by forest fires carried by streaming jets across the United States to the eastern region, caused poor air quality.
In addition, the forest fires have scorched nearly one million hectares in western Canada, mainly in northwesternern Alberta Province. More than 30,000 people have been evacuated from the area to avoid fires.
The National Weather Service (NWS) in Montana said the air quality was very unhealthy and suggested that people stay indoors whenever possible. The same warning was issued to eastern Colorado.
"If smoke is thick or thick around your environment, you may want to stay indoors. This mainly applies to those who have heart disease, respiratory disease, toddlers, and the elderly," the warning read.
Utah's Department of Environmental Quality also warned that air quality would remain "unhealthy for sensitive groups".
However, NWS in New York said the smoke was at an altitude of more than 20,000 feet and would not cause health problems for people with respiratory illnesses in the northeastern region of the United States.
Satellite images shared by NWS show smoke flowing across the northern part of the United States and blanketing the eastern state with pollutants.
Alberta authorities hope the colder temperatures and rains predicted in the next few weeks will help firefighters fight fires in the oil-rich province, although the storm could hamper the effort.
This is information about the cause of the red sun phenomenon in the United States. To get other interesting news, keep reading VOI.ID.
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