Hazard Report Provided By forecast.weather.gov

ILZ005-006-012-013-020-021-103>108-070500-
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
130 PM CDT Thu Jun 5 2025

...AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT FRIDAY NIGHT...

The Illinois Environmental Protection Agency has extended the Air
Pollution Action Day for the greater Chicago Metropolitan Area and
IS NOW IN EFFECT UNTIL MIDNIGHT CDT FRIDAY NIGHT.

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 for multiple days. Wildfire
smoke is expected to continue to have an impact on particulate levels
with daily 24 hour AQI forecasts at USG or higher through Friday.

USG category - Active children and adults, especially people with
pulmonary or respiratory disease such as asthma, should limit
prolonged outdoor activity.

Unhealthy category - Everyone should reduce prolonged activities or
heavy exertion outdoors. Active children, older adults, and people
with pulmonary or respiratory disease such as asthma should avoid
prolonged activities or heavy exertion outdoors.

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