534
AEUS73 KLOT 261616
AQALOT
AIR QUALITY ALERT MESSAGE
RELAYED BY NATIONAL WEATHER SERVICE CHICAGO IL
1116 AM CDT TUE MAY 26 2026
ILZ005-006-012-013-020-021-103>108-280500-
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
1116 AM CDT TUE MAY 26 2026
..AIR QUALITY ALERT IN EFFECT NOW THROUGH WEDNESDAY NIGHT
THE ILLINOIS ENVIRONMENTAL PROTECTION AGENCY HAS DETERMINED THAT AN
AIR POLLUTION ACTION DAY WILL BE DECLARED FOR THE GREATER CHICAGO
METROPOLITAN AREA THROUGH WEDNESDAY 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
CATEGORY OF THE AIR QUALITY INDEX FOR MULTIPLE DAYS. OZONE IS
EXPECTED TO BE THE PRIMARY POLLUTANT OF CONCERN.
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.
INZ001-002-010-011-280500-
LAKE IN-PORTER-NEWTON-JASPER-
INCLUDING THE CITIES OF GARY, HAMMOND, MERRILLVILLE, PORTAGE,
VALPARAISO, CHESTERTON, ROSELAWN, KENTLAND, MOROCCO, RENSSELAER,
AND DEMOTTE
1116 AM CDT TUE MAY 26 2026
...AIR QUALITY ALERT IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT CDT
WEDNESDAY NIGHT...
AN AIR QUALITY ACTION DAY HAS BEEN FORECAST FOR NORTHWEST INDIANA
FOR ELEVATED OZONE LEVELS AND IS IN EFFECT FROM MIDNIGHT TONIGHT TO
MIDNIGHT CDT WEDNESDAY NIGHT.
OZONE LEVELS ARE EXPECTED TO BE AT UNHEALTHY LEVELS FOR SENSITIVE
GROUPS. FOR ADDITIONAL INFORMATION...PLEASE VISIT THE IDEM SMOG
WATCH WEB SITE AT WWW.SMOGWATCH.IN.GOV OR THE EPA AIRNOW WEB SITE AT
WWW.AIRNOW.GOV AND CLICK ON INDIANA.
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