Hazard Report Provided By forecast.weather.gov

ILZ005-006-012-013-020-021-103>108-040500-
McHenry-Lake IL-Kane-DuPage-Kendall-Grundy-Northern Cook-
Central Cook-Southern Cook-Northern Will-Southern Will-Eastern 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
1205 AM CDT Sun Aug 3 2025

...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT TONIGHT...

The Illinois Environmental Protection Agency has determined that an
"Air Pollution Action Day" will remain in effect for the greater
Chicago Metropolitan Area through midnight 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
category of the Air Quality Index for multiple days.

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.

$$

Hazard Report Provided By forecast.weather.gov