Pollen count and allergy info for Palo Alto
Palo Alto pollen and allergy report • 14:00, Apr 17
Index
Moderate
Tree
Moderate
Grass
None
Weed
None
21°
14 km/h
66%Daily allergy forecast
Palo Alto pollen count forecast
Today  14 km/h22°16° 72% | Saturday  19 km/h19°13° 83% | Sunday  23 km/h 10°5° 65% |
Air pollutants
Air quality in Palo Alto today
AQI⁺
Air quality index
17*AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
3*µg/m³
Learn more about pollen in Palo Alto
Download our Air Quality App
Where is the highest pollen level in Pennsylvania?
- Abbottstown3
- Adamstown3
- Alburtis3
- Alleghenyville3
- Almedia3
- Ancient Oaks3
- Annville3
- Ashland3
- Avon3
- Bally3
- Bangor3
- Beaver3
- Belfast3
- Belmont3
- Berlin3
- Bethlehem3
- Biglerville3
- Birchwood Lakes3
- Birdsboro3
- Blandon3
- Bloomfield3
- Blooming Glen3
- Bloomsburg3
- Blue Ball3
- Boalsburg3
- Bonneauville3
- Bowmansville3
- Breinigsville3
- Brickerville3
- Campbelltown3
- Carroll Valley3
- Catawissa3
- Centre Hall3
- Chambersburg3
- Chest Springs3
- Christiana3
- Cleona3
- Colony Park3
- Conashaugh Lakes3
- Conestoga3
- Conyngham3
- Coopersburg3
- Cornwall3
- Cressona3
- Daisytown3
- Dale3
- Danville3
- Denver3
- Dublin3
- Earlston3
- East Bangor3
- East Berlin3
- East Berwick3
- East Conemaugh3
- East Earl3
- East Greenville3
- East Petersburg3
- East York3
- Edgewood, Northumberland County3
- Elim3
- Elizabethville3
- Elverson3
- Emigsville3
- Emmaus3
- Espy3
- Everett3
- Fairdale3
- Fairview-Ferndale3
- Fayetteville3
- Ferndale3
- Fivepointville3
- Fleetwood3
- Flying Hills3
- Fountain Hill3
- Fox Chase3
- Frackville3
- Franklin, Cambria County3
- Fredericksburg, Lebanon County3
- Freedom3
- Gap3
- Geistown3
- Gettysburg3
- Girardville3
- Glen Lyon3
- Gold Key Lake3
- Gordonville3
- Greenfields3
- Grill3
- Guilford3
- Hamburg3
- Harleysville3
- Hebron3
- Hemlock Farms3
- Hereford3
- Hershey3
- Hometown3
- Houserville3
- Hummelstown3
- Hyde Park, Berks County3
- Indian Mountain Lake3
- Intercourse3
- Jacksonwald3
- Jim Thorpe3
- Johnstown3
- Kenhorst3
- Kulpmont3
- Kutztown3
- Lake Heritage3
- Lake Wynonah3
- Landisville3
- Laureldale3
- Lebanon3
- Lebanon South3
- Leesport3
- Lehigh3
- Lemont3
- Lewisburg3
- Lightstreet3
- Lincoln Park3
- Linntown3
- Lititz3
- Littlestown3
- Lorane3
- Loysville3
- Lykens3
- Macungie3
- Manheim3
- Marietta3
- Marion3
- Marshallton, Northumberland County3
- Maxatawny3
- Maytown3
- McConnellsburg3
- Mechanicsburg3
- Mercersburg3
- Meyersdale3
- Middleburg3
- Millersburg3
- Millersville3
- Milton3
- Minersville3
- Mohnton3
- Monaca3
- Mont Alto3
- Mount Carmel3
- Mount Holly Springs3
- Mount Penn3
- Mountain Top3
- Mountville3
- Muhlenberg Park3
- Myerstown3
- Nanticoke3
- Nescopeck3
- Nesquehoning3
- New Brighton3
- New Columbia3
- New Freedom3
- New Holland3
- New Oxford3
- Newmanstown3
- Newport3
- Newtown, Schuylkill County3
- Newville3
- North York3
- Oley3
- Palmdale3
- Palmyra3
- Paradise3
- Park Forest Village3
- Pen Argyl3
- Pennsburg3
- Pennside3
- Penryn3
- Perry3
- Philadelphia3
- Pine Grove3
- Pine Grove Mills3
- Pleasant Hill3
- Plymouth3
- Ramblewood3
- Reading3
- Reamstown3
- Reiffton3
- Reinholds3
- Rheems3
- Richland3
- Richlandtown3
- Riverside, Cambria County3
- Riverview Park3
- Robesonia3
- Rochester3
- Roseto3
- Salunga3
- Sand Hill3
- Saylorsburg3
- Schuylkill Haven3
- Scotland3
- Selinsgrove3
- Seven Fields3
- Shamokin3
- Shenandoah3
- Shenandoah Heights3
- Shillington3
- Shippensburg3
- Shiremanstown3
- Shoemakersville3
- Sierra View3
- Sinking Spring3
- Skyline View3
- South Pottstown3
- South Temple3
- Southmont3
- Spinnerstown3
- Spring Ridge3
- Springmont3
- St. Lawrence3
- State College3
- State Line3
- Stony Creek Mills3
- Strausstown3
- Sun Valley3
- Sunrise Lake3
- Susquehanna Trails3
- Swartzville3
- Temple3
- Terre Hill3
- Toftrees3
- Topton3
- Tower City3
- Tremont3
- Trexlertown3
- Tyrone3
- Valley View, York County3
- Wayne Heights3
- Waynesboro3
- Weatherly3
- Wernersville3
- West Hamburg3
- West Lawn3
- West Reading3
- West Wyomissing3
- Westmont3
- Whitfield3
- Williamstown3
- Wind Gap3
- Womelsdorf3
- Wyomissing3
- York3
- Aldan2
- Altoona2
- Andalusia2
- Arlington Heights2
- Ashley2
- Aspinwall2
- Atglen2
- Avis2
- Bainbridge2
- Bala Cynwyd2
- Baldwin2
- Bath2
- Bedford2
- Belle Vernon2
- Belleville2
- Bellwood2
- Blawnox2
- Boiling Springs2
- Braddock2
- Braddock Hills2
- Bressler2
- Bristol2
- Brittany Farms-The Highlands2
- Brodheadsville2
- Brookhaven2
- Brownstown, Lancaster County2
- Brownsville2
- Browntown2
- Bucks2
- Burnham2
- California2
- Camp Hill2
- Carlisle2
- Chalfont2
- Charleroi2
- Cherryville2
- Cheswick2
- Church Hill2
- Churchill2
- Clairton2
- Claysburg2
- Clifton Heights2
- Coaldale, Schuylkill County2
- Cochranville2
- Collingdale2
- Collinsburg2
- Colonial Park2
- Columbia2
- Colwyn2
- Cornwells Heights2
- Croydon2
- Dallas2
- Dallastown2
- Darby2
- Delaware2
- Dewart2
- Dover2
- Doylestown2
- Dravosburg2
- Duncannon2
- Duncansville2
- Duquesne2
- Eagleville, Montgomery County2
- East Lansdowne2
- East McKeesport2
- East Pittsburgh2
- East Stroudsburg2
- Eastlawn Gardens2
- Eddington2
- Eddystone2
- Edwardsville2
- Effort2
- Elizabeth2
- Elizabethtown2
- Elrama2
- Elysburg2
- Enhaut2
- Enola2
- Evansburg2
- Exeter2
- Fairchance2
- Farmersville2
- Fellsburg2
- Felton2
- Folcroft2
- Folsom2
- Forest Hills2
- Forty Fort2
- Fox Chapel2
- Fredericktown2
- Georgetown, Luzerne County2
- Glassport2
- Glen Rock2
- Glenmoore2
- Glenolden2
- Grantley2
- Greencastle2
- Greenock2
- Greenwood2
- Hallam2
- Hanover2
- Harrisburg2
- Highland Park2
- Highspire2
- Hilldale2
- Hiller2
- Hollidaysburg2
- Homestead2
- Honey Brook2
- Hudson2
- Hughestown2
- Hughesville2
- Hummels Wharf2
- Huntingdon2
- Industry, Allegheny County2
- Inkerman2
- Jacobus2
- Jamison2
- Jefferson Hills2
- Jersey Shore2
- Kingston2
- Laflin2
- Lake Meade2
- Lakemont2
- Lampeter2
- Lancaster2
- Lansdowne2
- Lansford2
- Larksville2
- Lawnton2
- Lehighton2
- Lemoyne2
- Leola2
- Level Green2
- Lewistown2
- Liberty, Allegheny County2
- Lima2
- Lincoln2
- Linglestown2
- Loganville2
- Lower Allen2
- Luzerne2
- Lynnwood-Pricedale2
- Manchester2
- Marysville2
- Masontown2
- McAdoo2
- McConnellstown2
- McKeesport2
- McSherrystown2
- Mechanicsville2
- Media2
- Merion Station2
- Midway, Adams County2
- Mifflinburg2
- Mifflintown2
- Mifflinville2
- Milroy2
- Misericordia University2
- Monroeville2
- Montgomery2
- Montgomeryville2
- Montoursville2
- Morrisville, Greene County2
- Morton2
- Mount Joy2
- Mount Union2
- Mount Wolf2
- Muncy2
- Munhall2
- Murrysville2
- Nazareth2
- New Britain2
- New Cumberland2
- New Kingstown2
- New Philadelphia2
- North Belle Vernon2
- North Braddock2
- North Charleroi2
- Northumberland2
- Norwood2
- Oakmont2
- Old Orchard2
- Orwigsburg2
- Palmer Heights2
- Palmerton2
- Palo Alto2
- Paris2
- Parkside2
- Parkville2
- Paxtang2
- Paxtonia2
- Penbrook2
- Penn Estates2
- Pennville2
- Perkasie2
- Pine Ridge2
- Pitcairn2
- Pittston2
- Plains2
- Point Marion2
- Port Carbon2
- Port Vue2
- Pottsville2
- Progress2
- Quakertown2
- Quarryville2
- Rankin2
- Red Hill, Blair County2
- Red Lion2
- Republic2
- Ridley Park2
- Roaring Spring2
- Ronco2
- Rutherford2
- Saw Creek2
- Schlusser2
- Schnecksville2
- Sellersville2
- Shamokin Dam2
- Sharon Hill2
- Sharpsburg2
- Shavertown2
- Shiloh2
- Shrewsbury2
- Skippack2
- Slatington2
- Speers2
- Spring Grove2
- Springdale2
- Spry2
- St. Clair, Schuylkill County2
- Steelton2
- Stewartstown2
- Stonybrook2
- Strasburg2
- Stroudsburg2
- Summit Hill2
- Sunbury2
- Sutersville2
- Swarthmore2
- Swissvale2
- Swoyersville2
- Tamaqua2
- Tatamy2
- Tipton2
- Trafford2
- Trevorton2
- Trucksville2
- Turtle Creek2
- Upland2
- Valley Green2
- Verona2
- Versailles2
- Village Green-Green Ridge2
- Walnutport2
- Watsontown2
- Waynesburg2
- Weigelstown2
- Weissport East2
- West Elizabeth2
- West Fairview2
- West Homestead2
- West Mifflin2
- West Newton2
- West Pittston2
- West Wilmerding2
- West Wyoming2
- West York2
- Whitaker2
- White Oak2
- Wilkes-Barre2
- Wilkinsburg2
- Williamsburg2
- Willow Street2
- Wilmerding2
- Windsor2
- Winterstown2
- Woodlyn2
- Wormleysburg2
- Wrightsville2
- Wyoming2
- Yeadon2
- Yeagertown2
- Yoe2
- Yorklyn2
- Yukon2
- Akron1
- Albion1
- Allegheny1
- Allentown1
- Allison Park1
- Ambler1
- Amity Gardens1
- Apollo1
- Archbald1
- Ardmore1
- Athens1
- Audubon1
- Avalon1
- Avella1
- Avoca1
- Avondale1
- Baidland1
- Bakerstown1
- Bear Rocks1
- Beaverdale1
- Beech Mountain Lakes1
- Bellefonte1
- Bellevue1
- Ben Avon1
- Bentleyville1
- Berwick1
- Berwyn1
- Bessemer1
- Bethel Park1
- Big Bass Lake1
- Big Beaver1
- Black Lick1
- Blairsville1
- Blakely1
- Blossburg1
- Blue Bell1
- Boothwyn1
- Boswell1
- Boyertown1
- Brackenridge1
- Bradford1
- Bradford Woods1
- Brentwood1
- Bridgeport1
- Bridgeville1
- Brockway1
- Brookville1
- Broomall1
- Bryn Athyn1
- Bryn Mawr1
- Bulger1
- Burgettstown1
- Butler1
- Callery1
- Caln1
- Calumet1
- Cambridge Springs1
- Canonsburg1
- Canton1
- Carbondale1
- Carnegie1
- Carrolltown1
- Castanea1
- Castle Shannon1
- Catasauqua1
- Cecil-Bishop1
- Cementon1
- Centerville, Crawford County1
- Central City1
- Cetronia1
- Cheltenham Village1
- Chester1
- Chester Heights1
- Chesterbrook1
- Chevy Chase Heights1
- Cheyney University1
- Chicora1
- Chinchilla1
- Churchville1
- Clarion1
- Clarks Green1
- Clarks Summit1
- Clay1
- Clearfield1
- Clymer1
- Coatesville1
- Cochranton1
- Collegeville1
- Columbus1
- Conneaut Lakeshore1
- Conshohocken1
- Coplay1
- Corry1
- Coudersport1
- Crafton1
- Cresson1
- Curwensville1
- Dalton1
- Davidsville1
- Delmont1
- Derry1
- Devon1
- Dickson City1
- Dillsburg1
- Donegal1
- Donora1
- Dormont1
- Dorneyville1
- Downingtown1
- Drexel Hill1
- DuBois1
- Duboistown1
- Dunmore1
- Dunnstown1
- Dupont1
- Duryea1
- Eagleview1
- East Washington1
- Easton1
- Ebensburg1
- Edinboro1
- Egypt1
- Elkins Park1
- Elkland1
- Ellport1
- Ellwood City1
- Emeigh1
- Emerald Lakes1
- Emporium1
- Emsworth1
- Ephrata1
- Etna1
- Evans City1
- Exton1
- Factoryville1
- Fairhope1
- Fairless Hills1
- Falls Creek1
- Farrell1
- Faxon1
- Feasterville1
- Finleyville1
- Flemington1
- Flinton1
- Flourtown1
- Ford City1
- Forest City1
- Fort Washington1
- Foster Brook1
- Franklin Park1
- Freeland1
- Freemansburg1
- Freeport1
- Friedens1
- Fullerton1
- Galeton1
- Gallitzin1
- Garden View1
- Gastonville1
- Gibsonia1
- Gilbertsville1
- Glendale1
- Glenshaw1
- Glenside1
- Green Hills1
- Green Tree1
- Greene1
- Greensburg1
- Greenville1
- Grier City1
- Grove City1
- Halfway House1
- Hallstead1
- Harleigh1
- Harveys Lake1
- Hasson Heights1
- Hastings1
- Hatboro1
- Hatfield1
- Hawley1
- Hazleton1
- Heidelberg1
- Hellertown1
- Hermitage1
- Hokendauqua1
- Homeacre-Lyndora1
- Homer City1
- Honesdale1
- Horsham1
- Houston1
- Hyde1
- Indiana1
- Ingram1
- Irwin1
- Ivyland1
- Jeannette1
- Jenkintown1
- Jermyn1
- Jerome1
- Jessup1
- Johnsonburg1
- Jonestown, Columbia County1
- Kane1
- Kenilworth1
- Kenmar1
- Kennett Square1
- King of Prussia1
- Kittanning1
- Knox1
- Kulpsville1
- Lackawanna1
- Lake Latonka1
- Langhorne1
- Langhorne Manor1
- Lansdale1
- Laporte1
- Latrobe1
- Lattimer1
- Laurel Lake1
- Laurel Mountain1
- Laurys Station1
- Lawson Heights1
- Leechburg1
- Lenape Heights1
- Levittown1
- Ligonier1
- Linwood1
- Lionville1
- Lock Haven1
- Loretto1
- Lower Burrell1
- Loyalhanna1
- Mahanoy City1
- Malvern1
- Manor1
- Mansfield1
- Maple Glen1
- Marcus Hook1
- Marianne1
- Marienville1
- Mars1
- Martinsburg1
- Matamoras1
- Mayfield1
- McDonald1
- McGovern1
- McKees Rocks1
- McMurray1
- Meadowood1
- Meadville1
- Mercer1
- Meridian1
- Middletown, Northampton County1
- Midland, Washington County1
- Milesburg1
- Milford1
- Mill Hall1
- Millbourne1
- Millvale1
- Monessen1
- Monongahela1
- Monroe1
- Montrose1
- Moosic1
- Moscow1
- Mount Cobb1
- Mount Oliver1
- Mount Pleasant1
- Mount Pocono1
- Mountainhome1
- Mundys Corner1
- Muse1
- Nanty-Glo1
- Narberth1
- Natrona Heights1
- New Beaver1
- New Berlinville1
- New Castle1
- New Castle Northwest1
- New Eagle1
- New Freeport1
- New Hope1
- New Milford1
- New Stanton1
- New Wilmington1
- Newtown Grant1
- Nicktown1
- Nixon1
- Norristown1
- North Apollo1
- North Catasauqua1
- North Wales1
- North Warren1
- Northampton1
- Northern Cambria1
- Northwest Harborcreek1
- Oak Hills1
- Oakdale1
- Oakland, Lawrence County1
- Oakwood1
- Ohioville1
- Oil City1
- Old Forge1
- Olyphant1
- Oreland1
- Osceola Mills1
- Oxford1
- Paoli1
- Parkesburg1
- Patton1
- Penfield1
- Penn Lake Park1
- Penn Wynne1
- Penndel1
- Perryopolis1
- Philipsburg1
- Phoenixville1
- Pittsburgh1
- Pleasant Gap1
- Pleasant Hills1
- Plum1
- Plumsteadville1
- Plymouth Meeting1
- Pocono Pines1
- Pocono Ranch Lands1
- Port Allegany1
- Portage1
- Portersville1
- Pottsgrove1
- Pottstown1
- Prospect1
- Prospect Park, Cameron County1
- Punxsutawney1
- Pymatuning Central1
- Raubsville1
- Rennerdale1
- Renovo1
- Reynolds Heights1
- Reynoldsville1
- Richboro1
- Ridgway1
- Rockledge1
- Rockwood1
- Roslyn1
- Rothsville1
- Royalton1
- Royersford1
- Russell1
- Salix1
- Sanatoga1
- Sandy1
- Sandy Lake1
- Saxonburg1
- Sayre1
- Schoeneck1
- Schwenksville1
- Scottdale1
- Scranton1
- Seneca1
- Shanor-Northvue1
- Sharon1
- Sharpsville1
- Sheffield1
- Shinglehouse1
- Simpson1
- Slippery Rock1
- Smethport1
- Somerset1
- Souderton1
- South Coatesville1
- South Greensburg1
- South Montrose1
- South Waverly1
- South Williamsport1
- Southwest Greensburg1
- Spring City1
- Spring House1
- Spring Mount1
- St. Davids1
- St. Marys1
- Stiles1
- Stoneboro1
- Stormstown1
- Stowe1
- Sturgeon1
- Sugarcreek1
- Susquehanna1
- Swedesburg1
- Sykesville1
- Taylor1
- Telford1
- The Hideout1
- Thompsonville1
- Thorndale1
- Throop1
- Tionesta1
- Titusville1
- Toughkenamon1
- Towamensing Trails1
- Towanda1
- Trainer1
- Trappe1
- Treasure Lake1
- Trevose1
- Trooper1
- Troy1
- Tullytown1
- Tunkhannock1
- Union City1
- Vandergrift1
- Village Shires1
- Vinco1
- Wallenpaupack Lake Estates1
- Warminster Heights1
- Warren1
- Washington1
- Waterford1
- Waymart1
- Wayne1
- Wellsboro1
- Wescosville1
- Wesleyville1
- West Chester1
- West Conshohocken1
- West Easton1
- West Grove1
- West Hazleton1
- West Hills1
- West Kittanning1
- West Leechburg1
- West View1
- Westfield1
- Westmoreland1
- White Haven1
- Whitehall1
- Wickerham Manor-Fisher1
- Wilcox1
- Williamsport1
- Willow Grove1
- Wilson1
- Windber1
- Wolfdale1
- Woodbourne1
- Woodland Heights1
- Woodside1
- Worthington1
- Woxall1
- Wyncote1
- Wyndmoor1
- Yardley1
- Youngsville1
- Youngwood1
- Zelienople1
- Zion1
- Aliquippa0
- Ambridge0
- Arnold0
- Avonia0
- Baden0
- Beaver Falls0
- Bell Acres0
- Carnot-Moon0
- Connellsville0
- Conway0
- Coraopolis0
- Curtisville0
- Dunbar0
- East Uniontown0
- Economy0
- Edgeworth0
- Enlow0
- Erie0
- Fairview, Erie County0
- Fayette0
- Girard0
- Harwick0
- Hopwood0
- Imperial0
- Lake City0
- Lawrence Park0
- Leetsdale0
- Leith-Hatfield0
- New Kensington0
- North East0
- Oliver0
- Orchard Hills0
- Russellton0
- Sewickley0
- South Connellsville0
- South Uniontown0
- Tarentum0
- Uniontown0
- Unionville, Beaver County0
- West Mayfield0
