945
AEUS73 KLOT 180513
AQALOT
AIR QUALITY ALERT MESSAGE
RELAYED BY NATIONAL WEATHER SERVICE CHICAGO IL
1213 AM CDT SAT JUL 18 2026
ILZ005-006-012-013-020-021-103>108-190515-
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
1213 AM CDT SAT JUL 18 2026
..AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT TONIGHT
THE ILLINOIS ENVIRONMENTAL PROTECTION AGENCY HAS DETERMINED THAT THE
"AIR POLLUTION ACTION DAY" DESIGNATION WILL REMAIN IN EFFECT FOR THE
GREATER CHICAGO METROPOLITAN AREA THROUGH MIDNIGHT CDT 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 ALTHOUGH
SMOKE/PM2.5 MAY ALSO BECOME A CONCERN LATER IN THE WORK WEEK.
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
INZ001-002-010-011-190515-
LAKE IN-PORTER-NEWTON-JASPER-
INCLUDING THE CITIES OF GARY, HAMMOND, MERRILLVILLE, PORTAGE,
VALPARAISO, CHESTERTON, ROSELAWN, KENTLAND, MOROCCO, RENSSELAER,
AND DEMOTTE
1213 AM CDT SAT JUL 18 2026
..AIR QUALITY ALERT IN EFFECT UNTIL MIDNIGHT CDT MONDAY NIGHT
THE OFFICIALS AT THE INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
HAVE DECLARED AN AIR QUALITY ACTION DAY, IN EFFECT UNTIL MIDNIGHT
CDT MONDAY NIGHT.
AN AIR QUALITY ACTION DAY FOR OZONE AND PM 2.5 HAS BEEN ISSUED. A
COMBINATION OF FINE PARTICULATE AND OZONE LEVELS ARE EXPECTED TO BE
IN THE UNHEALTHY FOR SENSITIVE GROUPS RANGE. ACTIVE CHILDREN AND
ADULTS, AND PEOPLE WITH RESPIRATORY DISEASE, SUCH AS ASTHMA SHOULD
LIMIT PROLONGED OUTDOOR EXPOSURE.
DUE TO OBSERVED AND FORECASTED HIGH CONCENTRATIONS OF PM2.5 READINGS
IN THE AREA, RECOMMENDATIONS ARE FOR THE PUBLIC TO AVOID OR LIMIT
OUTDOOR EXPOSURE TO WILDFIRE SMOKE, REDUCE OR AVOID EXERTION OR HEAVY
WORK OUTDOORS AND KEEP WINDOWS AND DOORS CLOSED AS MUCH AS POSSIBLE.
FOR ADDITIONAL INFORMATION, PLEASE VISIT THE IDEM SMOG PAGE AT:
HTTP://WWW.IN.GOV/IDEM/AIRMONITORING/SMOGWATCH/
INZ019-190515-
BENTON-
INCLUDING THE CITIES OF FOWLER AND OXFORD
113 AM EDT SAT JUL 18 2026
...AIR QUALITY ALERT IN EFFECT FROM 1 AM SUNDAY TO 1 AM EDT
TUESDAY...
THE OFFICIALS AT THE INDIANA DEPARTMENT OF ENVIRONMENTAL MANAGEMENT
HAVE DECLARED AN AIR QUALITY ACTION DAY FOR SUNDAY AND MONDAY.
AN AIR QUALITY ACTION DAY FOR SMOKE HAS BEEN ISSUED. SMOKE LEVELS
ARE EXPECTED TO BE IN THE UNHEALTHY FOR SENSITIVE GROUPS RANGE.
ACTIVE CHILDREN AND ADULTS, AND PEOPLE WITH RESPIRATORY DISEASE,
SUCH AS ASTHMA SHOULD LIMIT PROLONGED OUTDOOR EXPOSURE.
DUE TO OBSERVED AND FORECASTED HIGH CONCENTRATIONS OF PM2.5 READINGS
IN THE AREA, RECOMMENDATIONS ARE FOR THE PUBLIC TO AVOID OR LIMIT
OUTDOOR EXPOSURE TO WILDFIRE SMOKE, REDUCE OR AVOID EXERTION OR HEAVY
WORK OUTDOORS AND KEEP WINDOWS AND DOORS CLOSED AS MUCH AS POSSIBLE.
FOR ADDITIONAL INFORMATION, PLEASE VISIT THE IDEM SMOG PAGE AT:
HTTP://WWW.IN.GOV/IDEM/AIRMONITORING/SMOGWATCH/
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