Wildfire smoke leads to hazy conditions, air quality questions in Chicago area once again. Here’s what to know

Hazy Skies in Chicago Raise Air Quality Concerns

Chicago, IL – Hazy skies are expected in the Chicago area starting Friday and continuing into the weekend, raising concerns about air quality. As of 1 p.m. Friday, air quality levels remained in the “moderate” category, with the city’s PM2.5 (fine particulate matter) sitting at around 67, according to AirNow. An “unhealthy for sensitive groups” level is reached when the PM2.5 rises above 100.

Current Air Quality Level in Chicago

As of now, the air quality in Chicago is considered moderate. However, individuals who are unusually sensitive to particle pollution are advised to reduce their activity level or shorten the amount of time spent outdoors.

Hazy Conditions and Wildfire Smoke

Hazy conditions in and around the city are attributed to the return of wildfire smoke and haze. While the smoke isn’t too dense and is expected to stay in the atmosphere, there is still a possibility of unhealthy levels during the afternoon hours. Nearby, all of Wisconsin is under an air quality advisory due to Canadian wildfire smoke.

Potential Heat Wave and Ozone Concerns

In addition to the hazy skies, Chicago is also expected to experience a potentially dangerous heat wave, which could lead to different air quality concerns. Higher levels of ozone are anticipated, and air quality alerts for ozone may be issued in the coming days.

Canadian Wildfires and Air Quality

Canada has experienced a record number of wildfires this year, resulting in choking smoke in parts of the U.S. Over 5,700 fires have burned more than 53,000 square miles across Canada. As of Friday morning, more than 1,000 wildfires were still burning, with over half of them out of control.

Understanding Air Quality Levels

The air quality index (AQI) is used to determine the level of air pollution and the corresponding health concerns. There are six categories: green (good), yellow (moderate), orange (unhealthy for sensitive groups), red (unhealthy), purple (very unhealthy), and maroon (hazardous). When AQI values are above 100, air quality is considered unhealthy.

1. Green: Air quality is satisfactory, and air pollution poses little or no risk. (0-50)
2. Yellow: Air quality is acceptable, but there may be a risk for some people, particularly those who are unusually sensitive to air pollution. (51-100)
3. Orange: Members of sensitive groups may experience health effects, while the general public is less likely to be affected. (101-150)
4. Red: Some members of the general public may experience health effects, and members of sensitive groups may experience more serious health effects. (151-200)
5. Purple: The risk of health effects is increased for everyone. (201-300)
6. Maroon: Health warning of emergency conditions, where everyone is more likely to be affected. (301 and higher)

Understanding PM2.5

PM2.5 refers to fine inhalable particles with diameters that are generally 2.5 micrometers and smaller. These particles are a type of particulate matter found in the air. PM2.5 is one of the major air pollutants regulated by the Clean Air Act, along with ground-level ozone, carbon monoxide, sulfur dioxide, and nitrogen dioxide.

SDGs, Targets, and Indicators

1. SDG 3: Good Health and Well-being

   • Target 3.9: By 2030, substantially reduce the number of deaths and illnesses from hazardous chemicals and air, water, and soil pollution and contamination.
   • Indicator: Air quality index (AQI) levels and PM2.5 levels.

2. SDG 11: Sustainable Cities and Communities

   • Target 11.6: By 2030, reduce the adverse per capita environmental impact of cities, including by paying special attention to air quality and municipal and other waste management.
   • Indicator: Air quality index (AQI) levels and PM2.5 levels.

Analysis

1. SDG 3: Good Health and Well-being

   The article discusses air quality levels in Chicago, specifically focusing on PM2.5 levels. PM2.5 is a hazardous air pollutant that can have adverse health effects on individuals. This relates to SDG 3, which aims to ensure good health and well-being for all. The article mentions that an “unhealthy for sensitive groups” level is reached when PM2.5 rises above 100, indicating the potential health risks associated with poor air quality.

2. SDG 11: Sustainable Cities and Communities

   The article highlights the hazy conditions and air quality concerns in Chicago due to wildfire smoke. This relates to SDG 11, which focuses on creating sustainable cities and communities. The article mentions that the city’s air quality levels remained in the “moderate” category, indicating the need to pay attention to air quality management in urban areas.

Table: SDGs, Targets, and Indicators

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Source: nbcchicago.com

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