Columbus ohio weather level12/31/2023 Seven of those days have been in the month of June. “In addition to all the problems that ozone causes, they also trigger things like heart attacks and strokes.”Īccording to Scott Baker, a meteorologist with the National Weather Service in Romeoville, as of Tuesday the weather service has issued nine air quality alert days for the Chicago metropolitan area in 2023. “There are particles that are small enough to get to the deepest portions of your lungs, actually get in your bloodstream,” Urbaszewski said. For comparison, the average strand of human hair is about 70 micrometers. PM2.5 refers to how large the particles are in micrometers. These tiny particles of solids and liquids in the air are one of the biggest pollution concerns, said Brian Urbaszewski, director of environmental health programs for the Respiratory Health Association.Ī water taxi travels offshore in Lake Michigan while wildfire haze obscures the Chicago skyline on June 27, 2023. Tuesday, particulate matter levels were “three, four, times higher than we typically observe here,” Adelman said. Particulate matter known as PM2.5, which can be emitted by factories, power plants, diesel and gasoline vehicles, residential fireplaces and wildfires, was the main driver behind Tuesday’s elevated air quality.Īs of 7 a.m. “We’ll be looking at this event for a long time to figure out, you know, what the particular dynamics and chemistry were that caused the smoke to come down to the surface here,” he said.įactors like atmospheric conditions, how large the fires are and existing air pollutants in the city make it difficult to pinpoint exactly why Chicago has such bad air quality, despite other cities experiencing similar issues, he said. How more smoke ends up at the surface level is more of a question of how it travels.
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