Weather Alerts For Batavia Junction, IL

# HEADLINE -------------------- AIR QUALITY ALERT IN EFFECT THROUGH TONIGHT # SUMMARY -------------------- The Illinois Environmental Protection Agency has issued an Air Pollution Action Day for the greater Chicago Metropolitan Area today, Wednesday May 27, and is in effect through tonight. A Chicago area "Air Pollution Action Day" is declared when weather conditions are such that widespread ozone and or particulate levels are expected to be at or above the Unhealthy for Sensitive Groups (USG) category of the Air Quality Index (AQI) for multiple days. Ozone is expected to be the primary pollutant of concern today. Active children and adults, especially people with pulmonary or respiratory disease such as asthma, should limit prolonged outdoor activity. Area residents are urged to reduce pollution levels. Air quality forecasts, current air quality, and tips on how you can reduce your emissions can be found at www.airnow.gov. Media contact...Illinois EPA. # DETAILS -------------------- ISSUED AT Wednesday, May 27, 2026 at 1:07 AM CDT ISSUED BY Relayed by National Weather Service Chicago IL HEADER Air Quality Alert Message # AREAS AFFECTED -------------------- Central Cook, DuPage, Eastern Will, Grundy, Kane, Kendall, Lake IL, McHenry, Northern Cook, Northern Will, Southern Cook, Southern Will Including the cities of Crystal Lake, Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein, Gurnee, Aurora, Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream, Oswego, Yorkville, Plano, Morris, Coal City, Minooka, Evanston, Des Plaines, Schaumburg, Palatine, Northbrook, Chicago, Cicero, Oak Lawn, Oak Park, La Grange, Calumet City, Oak Forest, Lemont, Orland Park, Park Forest, Joliet, Bolingbrook, Plainfield, Mokena, Channahon, Manhattan, Wilmington, Crete, Peotone, and Beecher

Pollen Index: 9 Pollen Level: medium-high Predominant Pollen: Birch, Mulberry and Oak. Concentration of pollen grains in the air for Thursday will be falling but will remain in the high range. This relief in pollen levels is caused in part by falling temperatures and higher dew points.