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YOGYAKARTA – The red sun phenomenon in the United States looks lovely. This scene makes for great photographs, but the cause of this change is not pleasant.

This strange natural phenomenon was visible for a week in the skies of New York, New Jersey, Chicago, Illinois and Iowa.

So what makes the American sun so red?

Causes of the Red Sun Phenomenon in America

The red sun phenomenon seen from New York to Iowa is caused by wildfires that have hit parts of Canada, particularly Alberta.

Based on reports Daily Mailthe fires burned over 800,000 hectares of land with a total of over 90 wildfire incidents.

Smoke from the wildfires traveled 3,600 km and created a layer of haze that shrouded the sun, causing it to appear red.

The fiery bright red color is caused by smoke particles filtering out the shorter wavelengths of light, so only the red and orange wavelengths are visible. The sun also seemed weak due to the thick smoke blowing in from Canada.

So what is the impact of wildfires in Canada?

Smoke particles from wildfires carried by the jet stream are moving east across the United States, causing poor air quality, meteorologists say.

Additionally, wildfires have burned nearly a million hectares in western Canada, primarily in the northwestern province of Alberta. More than 30,000 people were evacuated from the area to escape the fires.

Montana’s National Weather Service (NWS) said the air quality was very unhealthy and advised people to stay indoors when possible. A similar warning was issued for eastern Colorado.

“If the smoke is thick or getting thick in your neighborhood, you may want to stay indoors. This is especially true for people with heart conditions, respiratory conditions, toddlers and the elderly,” read the warning.

The Utah Department of Environmental Quality also warned that air quality would remain “unhealthy for sensitive groups.”

However, the NWS in New York said the smoke was above 20,000 feet and would not cause health problems for people with respiratory illnesses in the northeastern United States.

Satellite images shared by the NWS show smoke moving across the northern United States and blanketing eastern states in pollutants.

Alberta officials are hoping cooler temperatures and rain expected in the coming weeks will help firefighters fight blazes in the oil-rich province, though storms may hamper those efforts.

This is information about the causes of the red sun phenomenon in the United States. For more exciting news, read on VOI.ID.

Tags: usa sun natural phenomena forest fires