Air Quality Alert for McHenry Co., IL

C: Mchenrycountywx | L: Woodstock | PL: McHenry County WX

AEUS73 KLOT 011331
AQALOT

Air Quality Alert Message
Relayed by National Weather Service Chicago IL
831 AM CDT Fri Aug 1 2025



Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-Southern Will-
Eastern Will-
Including the cities of Rockford, Belvidere, Crystal Lake,
Algonquin, McHenry, Woodstock, Waukegan, Buffalo Grove, Mundelein,
Gurnee, Rochelle, Oregon, Byron, Dixon, DeKalb, Sycamore, Aurora,
Elgin, Naperville, Wheaton, Downers Grove, Lombard, Carol Stream,
Ottawa, Streator, La Salle, Mendota, Marseilles, Oswego, Yorkville,
Plano, Morris, Coal City, Minooka, Kankakee, Bourbonnais, Bradley,
Pontiac, Dwight, Fairbury, Watseka, Gilman, Paxton, Gibson City,
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
831 AM CDT Fri Aug 1 2025

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

The Illinois Environmental Protection Agency has issued an Air
Pollution Action Day for Friday August 1st for all of Illinois due
to wildfire smoke.

An Illinois "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 all or almost all of
Illinois.

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

Unhealthy - Everyone should reduce prolonged activities or heavy
exertion outdoors.

Area residents are urged to reduce pollution levels. Air quality
forecasts, AQI cautionary statements, current air quality, ...

https://wxn.io/mqt3o