SAN FRANCISCO—On Tuesday, September 8, the sky in the Bay Area turned orange. California residents were concerned when the sky changed from yellow to an orange hue. After several wildfires and days with smoke in the air, it created the change of shading in the sky.

The Royal Society of Chemistry states that “The answer is high levels of particles in the sky coming from forest fire smoke.. The bright red haze resembled Mars, than Earth.”

According to the latest updates on, the air quality today in San Francisco is PM2.5 air pollution which is classified as moderate.