For the second day in a row, air quality was considered “very unhealthy” in the Chicago area. Forecasters had predicted improved conditions for Wednesday, but air quality and visibility remained the same or worsened, weather officials said.
For the second day in a row, air quality was considered “very unhealthy” in the Chicago area, according to AirNow, a website combining county, state and federal air quality data. The Illinois Environmental Protection Agency forecast that air quality could improve Thursday to “unhealthy for sensitive groups” like children and adults with respiratory conditions.Chicago’s air quality: ‘We’re in the crosshairs.
“These PM2.5 are highly, highly dynamic, you know, meaning they keep on evolving with time in the atmosphere, and their composition in one region could be vastly different than in another region,” said Vishal Verma, an assistant professor of environmental engineering at the University of Illinois at Urbana-Champaign.In the case of wildfire smoke, there are two dangerous compounds at play when trees burn. One is, which include the cancer-causing benzene.
“Yes, the concentration of these particles will get diluted as they travel in the atmosphere,” Verma said. But this lower concentration of particles in Chicago compared with Canada is a trade-off. There are fewer of them, but they are more harmful by the time they get here. Martell said this wildfire season can be attributed to climate change, but it’s hard to pinpoint the exact factors that have worsened. He anticipates wildfires will only become more challenging in the future.
“In my pulmonary clinic, all of my lung patients have been complaining as to how their breathing has exacerbated through this,” said Phillip Cozzi, a pulmonary disease specialist with Edward-Elmhurst Health. “So it’s really the people who are at risk that are suffering most.” He said he doesn’t anticipate a lot of long-term health effects for people with healthy lungs exposed to short-term pollution, which is supported by the
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