Pennsylvania pollen and allergy seasons
July outlookModerate
Pennsylvania has a spring tree season, grass in early summer, and a heavy ragweed season in the fall.
Twelve month pollen calendar
J
F
M
A
M
J
J
●
A
S
O
N
D
LowModerateHighVery high
Dominant species in July
Grass
Typical peak in July
No clear peak this month
Worst month of the year
September
Best month of the year
January
What is active in July
Grass
Cities in Pennsylvania
| City | Today | Worst today | Typical in July |
|---|---|---|---|
| Wilkes-Barre | Very Highas of Jul 12 | Grass | Moderate |
| Butler | Very Highas of Jul 12 | Grass | Moderate |
| Saxonburg | Very Highas of Jul 12 | Grass | Moderate |
| Titusville | Very Highas of Jul 12 | Grass | Moderate |
| Nazareth | Very Highas of Jul 12 | Grass | Moderate |
| Lansdowne | Very Highas of Jul 12 | Grass | Moderate |
| Doylestown | Very Highas of Jul 12 | Grass | Moderate |
| Lewisburg | Very Highas of Jul 12 | Grass | Moderate |
| Newville | Very Highas of Jul 12 | Grass | Moderate |
| Telford | Very Highas of Jul 12 | Grass | Moderate |
| Waynesboro | Very Highas of Jul 12 | Grass | Moderate |
| Mcmurray | Very Highas of Jul 12 | Grass | Moderate |
| Falls Creek | Very Highas of Jul 12 | Grass | Moderate |
| Fountain Hill | Very Highas of Jul 12 | Grass | Moderate |
| Bedford | Very Highas of Jul 12 | Grass | Moderate |
| Roulette | Very Highas of Jul 12 | Grass | Moderate |
| Beaver Falls | Very Highas of Jul 12 | Grass | Moderate |
| Millersville | Very Highas of Jul 12 | Grass | Moderate |
| Delano | Highas of Jul 12 | Grass | Moderate |
| Stockdale | Highas of Jul 12 | Grass | Moderate |
| Roscoe | Highas of Jul 12 | Grass | Moderate |
| Harrisburg | Moderateas of Jul 12 | Grass | Moderate |
| Warminster | Moderateas of Jul 12 | Grass | Moderate |
| Marcus Hook | Moderateas of Jul 12 | Grass | Moderate |
| Unityville | Moderateas of Jul 12 | Grass | Moderate |
| West Newton | Moderateas of Jul 12 | Grass | Moderate |
| Ashland | Lowas of Jul 12 | Grass | Moderate |
| Broomall | Lowas of Jul 12 | Grass | Moderate |
| Annville | Lowas of Jul 12 | Grass | Moderate |
| Cambridge Springs | Noneas of Jul 12 | None | Moderate |
| Philadelphia | No live reading | Not available | Moderate |
| Pittsburgh | No live reading | Not available | Moderate |
| Allentown | No live reading | Not available | Moderate |
| Lancaster | No live reading | Not available | Moderate |
| Scranton | No live reading | Not available | Moderate |
| Reading | No live reading | Not available | Moderate |
| York | No live reading | Not available | Moderate |
| Erie | No live reading | Not available | Moderate |
| State College | No live reading | Not available | Moderate |
| Bethlehem | No live reading | Not available | Moderate |
| Altoona | No live reading | Not available | Moderate |
| Lebanon | No live reading | Not available | Moderate |
| Levittown | No live reading | Not available | Moderate |
| Norristown | No live reading | Not available | Moderate |
| Chester | No live reading | Not available | Moderate |
| Bethel Park | No live reading | Not available | Moderate |
| Drexel Hill | No live reading | Not available | Moderate |
| Hazleton | No live reading | Not available | Moderate |
| Easton | No live reading | Not available | Moderate |
| Monroeville | No live reading | Not available | Moderate |
| Williamsport | No live reading | Not available | Moderate |
| Plum | No live reading | Not available | Moderate |
| King Of Prussia | No live reading | Not available | Moderate |
| Pottstown | No live reading | Not available | Moderate |
| Allison Park | No live reading | Not available | Moderate |
| Chambersburg | No live reading | Not available | Moderate |
| New Castle | No live reading | Not available | Moderate |
| Carlisle | No live reading | Not available | Moderate |
| Baldwin | No live reading | Not available | Moderate |
| Murrysville | No live reading | Not available | Moderate |
| West Mifflin | No live reading | Not available | Moderate |
| West Chester | No live reading | Not available | Moderate |
| Phoenixville | No live reading | Not available | Moderate |
| Lansdale | No live reading | Not available | Moderate |
| Johnstown | No live reading | Not available | Moderate |
| Colonial Park | No live reading | Not available | Moderate |
| Mckeesport | No live reading | Not available | Moderate |
| Fullerton | No live reading | Not available | Moderate |
| Hanover | No live reading | Not available | Moderate |
| Hermitage | No live reading | Not available | Moderate |
| Weigelstown | No live reading | Not available | Moderate |
| Franklin Park | No live reading | Not available | Moderate |
| Greensburg | No live reading | Not available | Moderate |
| Hershey | No live reading | Not available | Moderate |
| Indiana | No live reading | Not available | Moderate |
| Wilkinsburg | No live reading | Not available | Moderate |
| Ardmore | No live reading | Not available | Moderate |
| Dunmore | No live reading | Not available | Moderate |
| Willow Grove | No live reading | Not available | Moderate |
| Ephrata | No live reading | Not available | Moderate |
| Carnot-Moon | No live reading | Not available | Moderate |
| Montgomeryville | No live reading | Not available | Moderate |
| Pottsville | No live reading | Not available | Moderate |
| Washington | No live reading | Not available | Moderate |
| Kingston | No live reading | Not available | Moderate |
| Coatesville | No live reading | Not available | Moderate |
| Sharon | No live reading | Not available | Moderate |
| Bloomsburg | No live reading | Not available | Moderate |
| Meadville | No live reading | Not available | Moderate |
| St. Marys | No live reading | Not available | Moderate |
| Jefferson Hills | No live reading | Not available | Moderate |
| Yeadon | No live reading | Not available | Moderate |
| New Kensington | No live reading | Not available | Moderate |
| Elizabethtown | No live reading | Not available | Moderate |
| Mountain Top | No live reading | Not available | Moderate |
| Emmaus | No live reading | Not available | Moderate |
| Lower Burrell | No live reading | Not available | Moderate |
| Progress | No live reading | Not available | Moderate |
| Wyomissing | No live reading | Not available | Moderate |
| Pricedale | No live reading | Not available | Moderate |
| Union City | No live reading | Not available | Moderate |
| Manheim | No live reading | Not available | Moderate |
| Kutztown | No live reading | Not available | Moderate |
| Masontown | No live reading | Not available | Moderate |
| Honesdale | No live reading | Not available | Moderate |
| Tamaqua | No live reading | Not available | Moderate |
| Bentley Creek | No live reading | Not available | Moderate |
| Whitehall | No live reading | Not available | Moderate |
| Rochester | No live reading | Not available | Moderate |
| Mexico | No live reading | Not available | Moderate |
| Clarion | No live reading | Not available | Moderate |
| Devon | No live reading | Not available | Moderate |
| New Britain | No live reading | Not available | Moderate |
| Warren | No live reading | Not available | Moderate |
| Conneaut Lake | No live reading | Not available | Moderate |
| Greenock | No live reading | Not available | Moderate |
| Dormont | No live reading | Not available | Moderate |
| Lyndora | No live reading | Not available | Moderate |
| Lakemont | No live reading | Not available | Moderate |
| Cresco | No live reading | Not available | Moderate |
| Duke Center | No live reading | Not available | Moderate |
| East Berlin | No live reading | Not available | Moderate |
| Parkville | No live reading | Not available | Moderate |
| Enola | No live reading | Not available | Moderate |
| Columbia | No live reading | Not available | Moderate |
| Nescopeck | No live reading | Not available | Moderate |
| Lionville | No live reading | Not available | Moderate |
| Mercersburg | No live reading | Not available | Moderate |
| Coraopolis | No live reading | Not available | Moderate |
| Pocono Summit | No live reading | Not available | Moderate |
| Hellertown | No live reading | Not available | Moderate |
| Kingsley | No live reading | Not available | Moderate |
| Montrose | No live reading | Not available | Moderate |
| Dillsburg | No live reading | Not available | Moderate |
| Philipsburg | No live reading | Not available | Moderate |
| Millville | No live reading | Not available | Moderate |
| Kunkletown | No live reading | Not available | Moderate |
| Mount Union | No live reading | Not available | Moderate |
| White Haven | No live reading | Not available | Moderate |
| Saylorsburg | No live reading | Not available | Moderate |
| Hollidaysburg | No live reading | Not available | Moderate |
| Danville | No live reading | Not available | Moderate |
| Luzerne | No live reading | Not available | Moderate |
| Somerset | No live reading | Not available | Moderate |
| Mansfield | No live reading | Not available | Moderate |
| Vandergrift | No live reading | Not available | Moderate |
| Millrift | No live reading | Not available | Moderate |
| Port Trevorton | No live reading | Not available | Moderate |
| Norwood | No live reading | Not available | Moderate |
| Harleysville | No live reading | Not available | Moderate |
| Chester Hill | No live reading | Not available | Moderate |
| Wellsboro | No live reading | Not available | Moderate |
| Bethel | No live reading | Not available | Moderate |
| West Sunbury | No live reading | Not available | Moderate |
| Newton | No live reading | Not available | Moderate |
| Mackeyville | No live reading | Not available | Moderate |
| Mill Hall | No live reading | Not available | Moderate |
| Harrison City | No live reading | Not available | Moderate |
| Shippensburg | No live reading | Not available | Moderate |
| Rutherford | No live reading | Not available | Moderate |
| Gwynedd Valley | No live reading | Not available | Moderate |
| Reedsville | No live reading | Not available | Moderate |
| Carmichaels | No live reading | Not available | Moderate |
| Martinsburg | No live reading | Not available | Moderate |
| Wyndmoor | No live reading | Not available | Moderate |
| East Petersburg | No live reading | Not available | Moderate |
| Ross Common | No live reading | Not available | Moderate |
| Leeper | No live reading | Not available | Moderate |
| Clearfield | No live reading | Not available | Moderate |
| Schuylkill Haven | No live reading | Not available | Moderate |
| Fleetwood | No live reading | Not available | Moderate |
| Conshohocken | No live reading | Not available | Moderate |
| Spring Grove | No live reading | Not available | Moderate |
| Morrisville | No live reading | Not available | Moderate |
| Oxford | No live reading | Not available | Moderate |
| Fountainville | No live reading | Not available | Moderate |
| Lemont Furnace | No live reading | Not available | Moderate |
| Akron | No live reading | Not available | Moderate |
| Mohnton | No live reading | Not available | Moderate |
| Freeland | No live reading | Not available | Moderate |
| Oaks | No live reading | Not available | Moderate |
| Connellsville | No live reading | Not available | Moderate |
| Towanda | No live reading | Not available | Moderate |
| Delta | No live reading | Not available | Moderate |
| Edinboro | No live reading | Not available | Moderate |
| Dingmans Ferry | No live reading | Not available | Moderate |
| New Hope | No live reading | Not available | Moderate |
| Saint Marys | No live reading | Not available | Moderate |
| Nanticoke | No live reading | Not available | Moderate |
| Mechanicsburg | No live reading | Not available | Moderate |
| Cranberry Township | No live reading | Not available | Moderate |
| Zelienople | No live reading | Not available | Moderate |
| Horsham | No live reading | Not available | Moderate |
| Ambridge | No live reading | Not available | Moderate |
| Springfield | No live reading | Not available | Moderate |
| Richboro | No live reading | Not available | Moderate |
| Monongahela | No live reading | Not available | Moderate |
| New Eagle | No live reading | Not available | Moderate |
| Berwyn | No live reading | Not available | Moderate |
| Northern Cambria | No live reading | Not available | Moderate |
| Downingtown | No live reading | Not available | Moderate |
| Forest City | No live reading | Not available | Moderate |
| Benton | No live reading | Not available | Moderate |
| Peckville | No live reading | Not available | Moderate |
| Flourtown | No live reading | Not available | Moderate |
| Southampton | No live reading | Not available | Moderate |
| Bath | No live reading | Not available | Moderate |
| Lewisberry | No live reading | Not available | Moderate |
| Canonsburg | No live reading | Not available | Moderate |
| Furlong | No live reading | Not available | Moderate |
| Dover | No live reading | Not available | Moderate |
| Waymart | No live reading | Not available | Moderate |
| Clairton | No live reading | Not available | Moderate |
| Glassport | No live reading | Not available | Moderate |
| Jermyn | No live reading | Not available | Moderate |
| Fawn Grove | No live reading | Not available | Moderate |
| Paoli | No live reading | Not available | Moderate |
| Airville | No live reading | Not available | Moderate |
| Duquesne | No live reading | Not available | Moderate |
| Selinsgrove | No live reading | Not available | Moderate |
| Darby | No live reading | Not available | Moderate |
| Julian | No live reading | Not available | Moderate |
| Tyrone | No live reading | Not available | Moderate |
| Ridley Park | No live reading | Not available | Moderate |
| Beaver | No live reading | Not available | Moderate |
| Plymouth | No live reading | Not available | Moderate |
| Factoryville | No live reading | Not available | Moderate |
| Perkiomenville | No live reading | Not available | Moderate |
| Radnor | No live reading | Not available | Moderate |
| Venetia | No live reading | Not available | Moderate |
| Gettysburg | No live reading | Not available | Moderate |
| Blakeslee | No live reading | Not available | Moderate |
| Evans City | No live reading | Not available | Moderate |
| Bala Cynwyd | No live reading | Not available | Moderate |
| Camp Hill | No live reading | Not available | Moderate |
| Oakdale | No live reading | Not available | Moderate |
| Greencastle | No live reading | Not available | Moderate |
| Millerstown | No live reading | Not available | Moderate |
| Abington | No live reading | Not available | Moderate |
| Sadsburyville | No live reading | Not available | Moderate |
| Feasterville Trevose | No live reading | Not available | Moderate |
| Highspire | No live reading | Not available | Moderate |
| Palmyra | No live reading | Not available | Moderate |
| Kittanning | No live reading | Not available | Moderate |
| Landenberg | No live reading | Not available | Moderate |
| Boyertown | No live reading | Not available | Moderate |
| Utica | No live reading | Not available | Moderate |
| Topton | No live reading | Not available | Moderate |
| Willow Street | No live reading | Not available | Moderate |
| Hatboro | No live reading | Not available | Moderate |
| New Holland | No live reading | Not available | Moderate |
| Susquehanna | No live reading | Not available | Moderate |
| Hawley | No live reading | Not available | Moderate |
| Media | No live reading | Not available | Moderate |
| Wayne | No live reading | Not available | Moderate |
| Jamison | No live reading | Not available | Moderate |
| Lincoln University | No live reading | Not available | Moderate |
| Effort | No live reading | Not available | Moderate |
| Harmony | No live reading | Not available | Moderate |
| Chadds Ford | No live reading | Not available | Moderate |
| Freeport | No live reading | Not available | Moderate |
| Coopersburg | No live reading | Not available | Moderate |
| Quakertown | No live reading | Not available | Moderate |
| Tioga | No live reading | Not available | Moderate |
| Fort Washington | No live reading | Not available | Moderate |
| Hatfield | No live reading | Not available | Moderate |
| Leesport | No live reading | Not available | Moderate |
| Fayetteville | No live reading | Not available | Moderate |
| Pittston | No live reading | Not available | Moderate |
| Villanova | No live reading | Not available | Moderate |
| Clifton Heights | No live reading | Not available | Moderate |
| Girard | No live reading | Not available | Moderate |
| Yardley | No live reading | Not available | Moderate |
| Spring City | No live reading | Not available | Moderate |
| Trafford | No live reading | Not available | Moderate |
| Pipersville | No live reading | Not available | Moderate |
| Clarks Summit | No live reading | Not available | Moderate |
| Drums | No live reading | Not available | Moderate |
| Ambler | No live reading | Not available | Moderate |
| Chalfont | No live reading | Not available | Moderate |
| Kennett Square | No live reading | Not available | Moderate |
| East Texas | No live reading | Not available | Moderate |
| Washington Crossing | No live reading | Not available | Moderate |
| Bally | No live reading | Not available | Moderate |
| Huntingdon Valley | No live reading | Not available | Moderate |
| Bellefonte | No live reading | Not available | Moderate |
| Elkins Park | No live reading | Not available | Moderate |
| Glenside | No live reading | Not available | Moderate |
| Pequea | No live reading | Not available | Moderate |
| East Earl | No live reading | Not available | Moderate |
| Sharon Hill | No live reading | Not available | Moderate |
| Marysville | No live reading | Not available | Moderate |
| Mountville | No live reading | Not available | Moderate |
| Hopeland | No live reading | Not available | Moderate |
| Ligonier | No live reading | Not available | Moderate |
| Warrington | No live reading | Not available | Moderate |
| Schnecksville | No live reading | Not available | Moderate |
| Stroudsburg | No live reading | Not available | Moderate |
| Newtown | No live reading | Not available | Moderate |
| Pennsburg | No live reading | Not available | Moderate |
| Wallingford | No live reading | Not available | Moderate |
| Red Lion | No live reading | Not available | Moderate |
| Macungie | No live reading | Not available | Moderate |
| Muncy | No live reading | Not available | Moderate |
| Lake Ariel | No live reading | Not available | Moderate |
| Breinigsville | No live reading | Not available | Moderate |
| Brookhaven | No live reading | Not available | Moderate |
| Equinunk | No live reading | Not available | Moderate |
| Collegeville | No live reading | Not available | Moderate |
| Narberth | No live reading | Not available | Moderate |
| Wexford | No live reading | Not available | Moderate |
| Belle Vernon | No live reading | Not available | Moderate |
| Oley | No live reading | Not available | Moderate |
| Palmerton | No live reading | Not available | Moderate |
| Pennsylvania Furnace | No live reading | Not available | Moderate |
| Reynoldsville | No live reading | Not available | Moderate |
| Aston | No live reading | Not available | Moderate |
| North East | No live reading | Not available | Moderate |
| Malvern | No live reading | Not available | Moderate |
| Chester Springs | No live reading | Not available | Moderate |
| Valley Forge | No live reading | Not available | Moderate |
| Elverson | No live reading | Not available | Moderate |
| Middletown | No live reading | Not available | Moderate |
| Cogan Station | No live reading | Not available | Moderate |
| Green Lane | No live reading | Not available | Moderate |
| Newtown Square | No live reading | Not available | Moderate |
| Swarthmore | No live reading | Not available | Moderate |
| Bentleyville | No live reading | Not available | Moderate |
| Charleroi | No live reading | Not available | Moderate |
| Flinton | No live reading | Not available | Moderate |
| Hummelstown | No live reading | Not available | Moderate |
| Slatington | No live reading | Not available | Moderate |
| Swiftwater | No live reading | Not available | Moderate |
| West Grove | No live reading | Not available | Moderate |
| Larksville | No live reading | Not available | Moderate |
| Clinton | No live reading | Not available | Moderate |
| Bristol | No live reading | Not available | Moderate |
| Gap | No live reading | Not available | Moderate |
| Exton | No live reading | Not available | Moderate |
| Sewickley | No live reading | Not available | Moderate |
| Lemoyne | No live reading | Not available | Moderate |
| Perkasie | No live reading | Not available | Moderate |
| Sayre | No live reading | Not available | Moderate |
| Landisville | No live reading | Not available | Moderate |
| Greentown | No live reading | Not available | Moderate |
| Gouldsboro | No live reading | Not available | Moderate |
| Oreland | No live reading | Not available | Moderate |
| Lititz | No live reading | Not available | Moderate |
| Glenshaw | No live reading | Not available | Moderate |
| Dallastown | No live reading | Not available | Moderate |
| Hinkletown | No live reading | Not available | Moderate |
| Harborcreek | No live reading | Not available | Moderate |
| Jim Thorpe | No live reading | Not available | Moderate |
| Birdsboro | No live reading | Not available | Moderate |
| Zionsville | No live reading | Not available | Moderate |
| Denver | No live reading | Not available | Moderate |
| Honey Brook | No live reading | Not available | Moderate |
| Gibsonia | No live reading | Not available | Moderate |
| Lafayette Hill | No live reading | Not available | Moderate |
| Delmont | No live reading | Not available | Moderate |
| Wynnewood | No live reading | Not available | Moderate |
| York Haven | No live reading | Not available | Moderate |
| Fairfield | No live reading | Not available | Moderate |
| Haverford | No live reading | Not available | Moderate |
| Mount Joy | No live reading | Not available | Moderate |
| Royersford | No live reading | Not available | Moderate |
| Wernersville | No live reading | Not available | Moderate |
| Phillipsburg | No live reading | Not available | Moderate |
| Langhorne | No live reading | Not available | Moderate |
| Mc Donald | No live reading | Not available | Moderate |
| Mars | No live reading | Not available | Moderate |
| Ivyland | No live reading | Not available | Moderate |
| Carbondale | No live reading | Not available | Moderate |
| Penbrook | No live reading | Not available | Moderate |
| Quarryville | No live reading | Not available | Moderate |
| Plymouth Meeting | No live reading | Not available | Moderate |
| Irwin | No live reading | Not available | Moderate |
| Bryn Mawr | No live reading | Not available | Moderate |
| Berwick | No live reading | Not available | Moderate |
| Woodbury | No live reading | Not available | Moderate |
| Oil City | No live reading | Not available | Moderate |
| Catasauqua | No live reading | Not available | Moderate |
| Hummels Wharf | No live reading | Not available | Moderate |
| Littlestown | No live reading | Not available | Moderate |
| Camden | No live reading | Not available | Moderate |
| Freemansburg | No live reading | Not available | Moderate |
| Coudersport | No live reading | Not available | Moderate |
| Du Bois | No live reading | Not available | Moderate |
| Havertown | No live reading | Not available | Moderate |
| Blairsville | No live reading | Not available | Moderate |
| Goshen | No live reading | Not available | Moderate |
| Mckees Rocks | No live reading | Not available | Moderate |
| Duncansville | No live reading | Not available | Moderate |
| Sunbury | No live reading | Not available | Moderate |
| Schwenksville | No live reading | Not available | Moderate |
| Aston Mills | No live reading | Not available | Moderate |
| Export | No live reading | Not available | Moderate |
| Mercer | No live reading | Not available | Moderate |
| University Park | No live reading | Not available | Moderate |
| Avondale | No live reading | Not available | Moderate |
| Albrightsville | No live reading | Not available | Moderate |
| Knoxville | No live reading | Not available | Moderate |
| Chinchilla | No live reading | Not available | Moderate |
| Franklin | No live reading | Not available | Moderate |
| Lewistown | No live reading | Not available | Moderate |
| Beech Creek | No live reading | Not available | Moderate |
| Aldan | No live reading | Not available | Moderate |
| Tunkhannock | No live reading | Not available | Moderate |
| Sipesville | No live reading | Not available | Moderate |
| Mainland | No live reading | Not available | Moderate |
| Carnegie | No live reading | Not available | Moderate |
| Eighty Four | No live reading | Not available | Moderate |
| Latrobe | No live reading | Not available | Moderate |
| Middleburg | No live reading | Not available | Moderate |
| Neffsville | No live reading | Not available | Moderate |
| Hempfield | No live reading | Not available | Moderate |
| Tatamy | No live reading | Not available | Moderate |
| Huntingdon | No live reading | Not available | Moderate |
| Morton | No live reading | Not available | Moderate |
| Garnet Valley | No live reading | Not available | Moderate |
| Center Valley | No live reading | Not available | Moderate |
| Bensalem | No live reading | Not available | Moderate |
| Lake Naomi Estates | No live reading | Not available | Moderate |
| Bridgeville | No live reading | Not available | Moderate |
| Glen Mills | No live reading | Not available | Moderate |
| Frederick | No live reading | Not available | Moderate |
| Gwynedd | No live reading | Not available | Moderate |
| Leola | No live reading | Not available | Moderate |
| Uniontown | No live reading | Not available | Moderate |
| Wyncote | No live reading | Not available | Moderate |
| Blandon | No live reading | Not available | Moderate |
| North Wales | No live reading | Not available | Moderate |
| Northumberland | No live reading | Not available | Moderate |
| Dallas | No live reading | Not available | Moderate |
| Lykens | No live reading | Not available | Moderate |
| Bridgeport | No live reading | Not available | Moderate |
| Shippenville | No live reading | Not available | Moderate |
| Homeacre | No live reading | Not available | Moderate |
| Valencia | No live reading | Not available | Moderate |
| Mahanoy City | No live reading | Not available | Moderate |
| Nicetown | No live reading | Not available | Moderate |
| Linglestown | No live reading | Not available | Moderate |
| Monaca | No live reading | Not available | Moderate |
| Millersburg | No live reading | Not available | Moderate |
| Shartlesville | No live reading | Not available | Moderate |
| Lehighton | No live reading | Not available | Moderate |
| Milford | No live reading | Not available | Moderate |
| Shohola | No live reading | Not available | Moderate |
| Hopewell | No live reading | Not available | Moderate |
| Kempton | No live reading | Not available | Moderate |
Today and worst today come from live readings where available. Typical shows the usual level for this month from the seasonal profile.
The Pennsylvania allergy season
Allergy levels in Pennsylvania peak in September, when ragweed pollen runs highest. The season moves through tree pollen around April, grass in June, weed pollen such as ragweed in September. Levels start to climb around March. The lowest pollen levels of the year arrive in January.
Common questions
When does allergy season start in Pennsylvania?
Pollen levels in Pennsylvania usually begin climbing in March and reach their highest point in September.
What is the worst month for allergies in Pennsylvania?
September is typically the worst month in Pennsylvania, driven by ragweed pollen.
When does ragweed season end in Pennsylvania?
Ragweed pollen in Pennsylvania usually fades by the end of October, after the first hard frost in colder areas.
When is the best time for allergies in Pennsylvania?
January usually brings the lowest pollen levels of the year in Pennsylvania.