Pollen count and allergy info for O'Fallon
O'Fallon pollen and allergy report • 13:00, Sep 5
Index
Low
Tree
None
Grass
None
Weed
Low
36°
9 km/h
46%Daily allergy forecast
O'Fallon pollen count forecast
Today  15 km/h36°25° 65% | Sunday 18 km/h 29°19° 78% | Monday 16 km/h26°17° 74% |
Air pollutants
Air quality in O'Fallon today
AQI⁺
Air quality index
48*AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
8.7*µg/m³
Learn more about pollen in O'Fallon
Download our Air Quality App
Where is the highest pollen level in Illinois?
- Abingdon3
- Adams County3
- Addison3
- Aledo3
- Algonquin3
- Alsip3
- Amboy3
- Andalusia3
- Antioch3
- Arcola3
- Arlington Heights3
- Arrowsmith3
- Arthur3
- Ashland3
- Astoria3
- Athens3
- Atlanta3
- Atwood3
- Aurora3
- Bannockburn3
- Barrington3
- Barrington Hills3
- Barry3
- Bartlett3
- Bartonville3
- Batavia3
- Bedford Park3
- Beecher3
- Bellevue3
- Bellwood3
- Belvidere3
- Bement3
- Bensenville3
- Berkeley3
- Berwyn3
- Bethany3
- Big Rock3
- Bloomingdale3
- Bloomington3
- Blue Island3
- Bolingbrook3
- Boulder Hill3
- Bourbonnais3
- Braidwood3
- Bridgeview3
- Brighton3
- Broadview3
- Brookfield3
- Bull Valley3
- Bunker Hill3
- Burbank3
- Burnham3
- Burr Ridge3
- Bushnell3
- Byron3
- Calumet City3
- Calumet Park3
- Cambridge3
- Camp Point3
- Campton Hills3
- Canton3
- Capron3
- Carbon Cliff3
- Carol Stream3
- Carpentersville3
- Carthage3
- Cary3
- Casey3
- Catlin3
- Cerro Gordo3
- Champaign3
- Channahon3
- Channel Lake3
- Charleston3
- Chatsworth3
- Chebanse3
- Chenoa3
- Cherry Valley3
- Chicago3
- Chicago Heights3
- Chicago Ridge3
- Chillicothe3
- Chrisman3
- Cicero3
- Clarendon Hills3
- Cleveland3
- Clifton3
- Clinton3
- Coal City3
- Coal Valley3
- Colchester3
- Colfax3
- Colona3
- Cook3
- Cortland3
- Country Club Hills3
- Countryside3
- Crest Hill3
- Crestwood3
- Crete3
- Crystal Lake3
- Crystal Lawns3
- Cuba3
- Danvers3
- Danville3
- Darien3
- Davis Junction3
- De Pue3
- Deer Park3
- Deerfield3
- DeKalb3
- DeKalb County3
- Delavan3
- Des Plaines3
- Diamond3
- Dixmoor3
- Dixon3
- Dolton3
- Douglas3
- Downers Grove3
- Dunlap3
- DuPage County3
- Durand3
- Dwight3
- Earlville3
- East Dubuque3
- East Dundee3
- East Hazel Crest3
- East Moline3
- East Peoria3
- El Paso3
- Elburn3
- Elgin3
- Elk Grove Village3
- Elmhurst3
- Elmwood3
- Elmwood Park3
- Elwood3
- Erie3
- Eureka3
- Evanston3
- Evergreen Park3
- Fairbury3
- Fairmont3
- Farmer City3
- Farmington3
- Fisher3
- Flanagan3
- Flora3
- Flossmoor3
- Ford Heights3
- Forest Lake3
- Forest Park3
- Forest View3
- Forrest3
- Forreston3
- Fox Lake3
- Fox Lake Hills3
- Fox River Grove3
- Frankfort3
- Frankfort Square3
- Franklin Park3
- Freeport3
- Fulton3
- Gages Lake3
- Galena3
- Galesburg3
- Galva3
- Gardner3
- Geneseo3
- Geneva3
- Genoa3
- Georgetown3
- German Valley3
- Germantown Hills3
- Gibson City3
- Gifford3
- Gilberts3
- Gilman3
- Glasford3
- Glen Ellyn3
- Glendale Heights3
- Glenwood3
- Grandview3
- Grandwood Park3
- Grant Park3
- Granville3
- Grayslake3
- Greenville3
- Gridley3
- Griggsville3
- Hainesville3
- Hamilton3
- Hampshire3
- Hampton3
- Hanna City3
- Hanover Park3
- Hardin3
- Harristown3
- Harvard3
- Harvey3
- Harwood Heights3
- Havana3
- Hawthorn Woods3
- Hazel Crest3
- Hebron3
- Hennepin3
- Henry3
- Heritage Lake3
- Herscher3
- Heyworth3
- Hickory Hills3
- Highland3
- Hillcrest3
- Hillside3
- Hinckley3
- Hinsdale3
- Hodgkins3
- Hoffman Estates3
- Holiday Shores3
- Homer3
- Homer Glen3
- Hometown3
- Homewood3
- Hoopeston3
- Hudson3
- Huntley3
- Indian Head Park3
- Ingalls Park3
- Inverness3
- Island Lake3
- Itasca3
- Jerome3
- Jerseyville3
- Johnsburg3
- Joliet3
- Justice3
- Kane County3
- Kankakee3
- Kendall County3
- Kenilworth3
- Kewanee3
- Kingston, Adams County3
- Kirkland3
- La Grange3
- La Grange Park3
- La Harpe3
- Lacon3
- Lake Barrington3
- Lake Camelot3
- Lake Catherine3
- Lake Forest3
- Lake Holiday3
- Lake in the Hills3
- Lake of the Woods3
- Lake Summerset3
- Lake Villa3
- Lake Zurich3
- Lakemoor3
- Lakewood Shores3
- Lanark3
- Lansing3
- LaSalle3
- Le Roy3
- Leland Grove3
- Lemont3
- Lena3
- Lewistown3
- Lexington3
- Libertyville3
- Lily Lake3
- Limestone3
- Lincoln3
- Lincolnshire3
- Lincolnwood3
- Lindenhurst3
- Lisle3
- Lockport3
- Lockport Heights3
- Lombard3
- Long Creek3
- Long Lake3
- Louisville3
- Loves Park3
- Lovington3
- Lynwood3
- Lyons3
- Mackinaw3
- Macomb3
- Macon3
- Mahomet3
- Malta3
- Manhattan3
- Maple Park3
- Marengo3
- Markham3
- Maroa3
- Marseilles3
- Marshall3
- Mason City3
- Matteson3
- Maywood3
- McCook3
- McCullom Lake3
- McHenry County3
- Melrose Park3
- Mendota3
- Merrionette Park3
- Metamora3
- Midlothian3
- Milan3
- Milford3
- Minier3
- Minonk3
- Minooka3
- Mokena3
- Moline3
- Momence3
- Monee3
- Monmouth3
- Montgomery3
- Monticello3
- Morris3
- Morrison3
- Morton3
- Morton Grove3
- Mount Carroll3
- Mount Morris3
- Mount Prospect3
- Mount Pulaski3
- Mount Sterling3
- Mount Zion3
- Mundelein3
- Naperville3
- Nauvoo3
- New Lenox3
- Newark3
- Newton3
- Niles3
- Normal3
- Norridge3
- North Aurora3
- North Barrington3
- North Riverside3
- Northlake3
- Norwood3
- Oak Brook3
- Oak Forest3
- Oak Lawn3
- Oak Park3
- Oakbrook Terrace3
- Oakwood3
- Oakwood Hills3
- Oblong3
- Oglesby3
- Olney3
- Olympia Fields3
- Onarga3
- Oquawka3
- Oregon3
- Orion3
- Orland Hills3
- Orland Park3
- Oswego3
- Ottawa3
- Palatine3
- Palos Heights3
- Palos Hills3
- Palos Park3
- Paris3
- Park Forest3
- Park Ridge3
- Paxton3
- Payson3
- Pecatonica3
- Peoria3
- Peoria Heights3
- Peru3
- Philo3
- Phoenix3
- Pingree Grove3
- Pistakee Highlands3
- Pittsfield3
- Plainfield3
- Plano3
- Pocahontas3
- Polo3
- Pontiac3
- Poplar Grove3
- Port Barrington3
- Port Byron3
- Posen3
- Prestbury3
- Preston Heights3
- Princeton3
- Princeville3
- Prophetstown3
- Prospect Heights3
- Putnam County3
- Quincy3
- Rantoul3
- Richmond3
- Richton Park3
- Ridgewood3
- River Forest3
- River Grove3
- Riverdale3
- Riverside3
- Riverton3
- Riverwoods3
- Roanoke3
- Robbins3
- Rochelle3
- Rock Falls3
- Rock Island3
- Rock Island Arsenal3
- Rockdale3
- Rolling Meadows3
- Rome3
- Romeoville3
- Roselle3
- Rosemont3
- Rossville3
- Round Lake3
- Round Lake Beach3
- Round Lake Heights3
- Round Lake Park3
- Rushville3
- Sandwich3
- Sangamon County3
- Sauk Village3
- Savanna3
- Savoy3
- Schaumburg3
- Schiller Park3
- Shelbyville3
- Sheldon3
- Sheridan3
- Shorewood3
- Sidney3
- Silvis3
- Skokie3
- Sleepy Hollow3
- Somonauk3
- South Barrington3
- South Beloit3
- South Chicago Heights3
- South Elgin3
- South Holland3
- South Pekin3
- Southern View3
- Spring Grove3
- Spring Valley3
- Springfield3
- St. Anne3
- St. Charles3
- St. Elmo3
- St. Joseph3
- Staunton3
- Steger3
- Sterling3
- Stickney3
- Stillman Valley3
- Stockton3
- Stone Park3
- Streamwood3
- Streator3
- Sugar Grove3
- Sullivan3
- Summit3
- Sumner3
- Sycamore3
- The Galena Territory3
- Third Lake3
- Thomasboro3
- Thornton3
- Tilton3
- Tinley Park3
- Tolono3
- Toluca3
- Toulon3
- Tower Lakes3
- Tremont3
- Tuscola3
- Twin Grove3
- Union Hill3
- University Park3
- Urbana3
- Vandalia3
- Venetian Village3
- Villa Grove3
- Villa Park3
- Virden3
- Volo3
- Wadsworth3
- Walnut3
- Warren3
- Warrensburg3
- Warrenville3
- Warsaw3
- Washburn3
- Washington3
- Waterman3
- Watseka3
- Wauconda3
- Waverly3
- Wayne3
- West Chicago3
- West Dundee3
- West Peoria3
- Westchester3
- Western Springs3
- Westmont3
- Westville3
- Wheaton3
- Wheeling3
- Will County3
- Williamsville3
- Willow Springs3
- Willowbrook, Will County3
- Wilmette3
- Winfield3
- Winnebago3
- Winnebago County3
- Winnetka3
- Wonder Lake3
- Wood Dale3
- Woodridge3
- Woodstock3
- Worden3
- Worth3
- Wyoming3
- Yorkville3
- Zion3
- Assumption2
- Beach Park2
- Blue Mound2
- Buffalo Grove2
- Chatham2
- Creve Coeur2
- Decatur2
- Edinburg2
- Girard2
- Glencoe2
- Glenview2
- Green Oaks2
- Gurnee2
- Highland Park2
- Highwood2
- Jacksonville2
- Jo Daviess County2
- Kildeer2
- Kincaid2
- Knollwood2
- Ladd2
- Lake Bluff2
- Long Grove2
- Manito2
- Marquette Heights2
- Martinsville2
- Mattoon2
- McHenry2
- Moweaqua2
- Neoga2
- New Berlin2
- Nilwood2
- North Chicago2
- North Pekin2
- Northbrook2
- Northfield2
- Palestine2
- Pana2
- Park City2
- Pekin2
- Prairie Grove2
- Robinson2
- Rockford2
- Sherman2
- South Jacksonville2
- Vernon Hills2
- Virginia2
- Waukegan2
- Windsor, Shelby County2
- Winthrop Harbor2
- Albers1
- Albion1
- Alton1
- Anna1
- Aviston1
- Baldwin1
- Beckemeyer1
- Belleville1
- Benton1
- Bethalto1
- Bradley1
- Breese1
- Bridgeport1
- Cairo1
- Cambria1
- Carbondale1
- Carlyle1
- Carmi1
- Carrier Mills1
- Carterville1
- Chester1
- Christopher1
- Cobden1
- Columbia1
- Crainville1
- De Soto1
- Du Quoin1
- Dupo1
- East Alton1
- Edwardsville1
- Eldorado1
- Energy1
- Fairfield1
- Freeburg1
- Germantown1
- Glen Carbon1
- Godfrey1
- Golconda1
- Goreville1
- Grayville1
- Hamilton County1
- Harrisburg1
- Hartford1
- Herrin1
- Ina1
- Johnston City1
- Jonesboro1
- Lawrenceville1
- Machesney Park1
- Madison County1
- Manteno1
- Marion1
- Marissa1
- Mascoutah1
- McLeansboro1
- Metropolis1
- Millstadt1
- Mitchell1
- Mound City1
- Mount Carmel1
- Mount Vernon1
- Murphysboro1
- Nashville1
- New Athens1
- New Baden1
- Norris City1
- O'Fallon1
- Odin1
- Peotone1
- Pinckneyville1
- Randolph County1
- Red Bud1
- Rockton1
- Roscoe1
- Rosewood Heights1
- Rosiclare1
- Roxana1
- Royalton1
- Salem1
- Sandoval1
- Scott Air Force Base1
- Sesser1
- Shawneetown1
- Shiloh1
- Smithton1
- South Roxana1
- Sparta1
- St. Clair County1
- St. Jacob1
- Steeleville1
- Trenton1
- Troy1
- Union County1
- Valmeyer1
- Vienna1
- Wayne City1
- West Frankfort1
- Wood River1
- Woodlawn1
- Zeigler1
- Altamont0
- Auburn0
- Beardstown0
- Benld0
- Cahokia Heights0
- Carlinville0
- Carrollton0
- Caseyville0
- Central City0
- Centralia0
- Collinsville0
- Divernon0
- East St. Louis0
- Effingham0
- Elizabethtown0
- Fairmont City0
- Fairview Heights0
- Forsyth0
- Gillespie0
- Granite City0
- Greenfield0
- Greenup0
- Hillsboro0
- Irving0
- Knoxville0
- Lakewood, Lakewood County0
- Lebanon0
- Litchfield0
- Madison0
- Marion County0
- Maryville0
- Meredosia0
- Morrisonville0
- Mount Olive0
- Nokomis0
- Okawville0
- Pawnee0
- Petersburg0
- Pontoon Beach0
- Ramsey0
- Rochester0
- Roodhouse0
- Sauget0
- Seneca0
- Swansea0
- Taylorville0
- Teutopolis0
- Toledo0
- Venice0
- Wamac0
- Washington Park0
- Waterloo0
- West Union0
- White Hall0
- Wilmington, Greene County0
- Winchester0
