Illinois landed near the top of the list with Elwood making the list at number nine. Located southwest of Chicago, Elwood had an annual average PM2.5 of 15.6 µg/m3. There were, however ...

Night - Partly cloudy. Winds NNE at 9 to 12 mph (14.5 to 19.3 kph). The overnight low will be 30 °F (-1.1 °C). Partly cloudy with a high of 36 °F (2.2 °C). Winds variable at 9 to 11 mph (14.5 ...

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Scattered light rain and snow showers are expected. The high will be 25°. Good air quality (0-50) Primary pollutant PM2.5 5.5 μg/m³ Amount of moisture present in the air relative to the maximum ...