Pollen count and allergy info for Palo Alto
Palo Alto pollen and allergy report • 14:00, Oct 19 Local time
Index
Low
Tree
None
Grass
None
Weed
Low
17°
8 km/h
46%Daily allergy forecast
Palo Alto pollen count forecast
Today  10 km/h17°6° 63% | Tuesday 16 km/h16°9° 70% | Wednesday 14 km/h15°4° 61% |
Air pollutants
Air quality in Palo Alto today
AQI⁺
Air quality index
27*AQI⁺ US
PM2.5
Fine particles (≤ 2.5 µm)
4.9*µg/m³
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Where is the highest pollen level in Pennsylvania?
- Fairchance2
- Abbottstown1
- Adams County1
- Albion1
- Aldan1
- Allegheny1
- Alleghenyville1
- Allentown1
- Almedia1
- Altoona1
- Ambler1
- Ambridge1
- Amity Gardens1
- Andalusia1
- Annville1
- Archbald1
- Ardmore1
- Arendtsville1
- Arlington Heights1
- Arnold1
- Ashland1
- Ashley1
- Aspinwall1
- Atglen1
- Athens1
- Audubon1
- Avella1
- Avis1
- Avoca1
- Avon1
- Avondale1
- Avonia1
- Baden1
- Baidland1
- Bainbridge1
- Bakerstown1
- Bala Cynwyd1
- Baldwin1
- Bangor1
- Bath1
- Bear Rocks1
- Beaver County1
- Beaverdale1
- Beech Mountain Lakes1
- Belfast1
- Bell Acres1
- Belle Vernon1
- Bellefonte1
- Belleville1
- Bellwood1
- Belmont1
- Bentleyville1
- Berks County1
- Berlin1
- Berwick1
- Berwyn1
- Bessemer1
- Bethel Park1
- Bethlehem1
- Big Bass Lake1
- Big Beaver1
- Biglerville1
- Birchwood Lakes1
- Birdsboro1
- Black Lick1
- Blairsville1
- Blakely1
- Blandon1
- Blawnox1
- Bloomfield1
- Blooming Glen1
- Bloomsburg1
- Blossburg1
- Blue Ball1
- Blue Bell1
- Boalsburg1
- Boiling Springs1
- Bonneauville1
- Boothwyn1
- Boston1
- Boswell1
- Bowmansville1
- Boyertown1
- Brackenridge1
- Braddock1
- Braddock Hills1
- Bradford1
- Bradford County1
- Bradford Woods1
- Brentwood1
- Bressler1
- Brickerville1
- Bridgeport1
- Bridgeville1
- Bristol1
- Brittany Farms-The Highlands1
- Brockway1
- Brodheadsville1
- Brookhaven1
- Brookville1
- Broomall1
- Brownstown, Lancaster County1
- Brownsville1
- Browntown1
- Bryn Athyn1
- Bryn Mawr1
- Bucks1
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- Burgettstown1
- Burnham1
- Butler1
- Butler County1
- California1
- Callery1
- Caln1
- Calumet1
- Cambridge Springs1
- Camp Hill1
- Campbelltown1
- Canton1
- Carbon County1
- Carbondale1
- Carlisle1
- Carnegie1
- Carnot-Moon1
- Carroll Valley1
- Carrolltown1
- Castanea1
- Castle Shannon1
- Catawissa1
- Centerville, Crawford County1
- Central City1
- Centre County1
- Centre Hall1
- Cetronia1
- Chalfont1
- Chambersburg1
- Charleroi1
- Cheltenham Village1
- Cherryville1
- Chest Springs1
- Chester1
- Chester County1
- Chester Heights1
- Chesterbrook1
- Chestnut Hill1
- Cheswick1
- Cheyney University1
- Chicora1
- Chinchilla1
- Church Hill1
- Churchill1
- Churchville1
- Clairton1
- Clarion1
- Clarks Green1
- Clarks Summit1
- Claysburg1
- Clearfield1
- Clearfield County1
- Cleona1
- Clifton Heights1
- Clymer1
- Coaldale, Schuylkill County1
- Coatesville1
- Cochranton1
- Cochranville1
- Collegeville1
- Collingdale1
- Collinsburg1
- Colonial Park1
- Columbia1
- Columbia County1
- Columbus1
- Colwyn1
- Conashaugh Lakes1
- Conestoga1
- Conneaut Lakeshore1
- Connellsville1
- Conshohocken1
- Conyngham1
- Coraopolis1
- Cornwall1
- Cornwells Heights1
- Corry1
- Crafton1
- Crawford County1
- Cresson1
- Cressona1
- Croydon1
- Cumberland County1
- Curtisville1
- Curwensville1
- Daisytown1
- Dale1
- Dallas1
- Dallastown1
- Dalton1
- Danville1
- Darby1
- Dauphin County1
- Davidsville1
- Delaware1
- Delmont1
- Derry1
- Devon1
- Dewart1
- Dickson City1
- Dillsburg1
- Donegal1
- Dormont1
- Dorneyville1
- Douglassville1
- Dover1
- Downingtown1
- Doylestown1
- Dravosburg1
- Drexel Hill1
- Dublin1
- DuBois1
- Duboistown1
- Dunbar1
- Duncannon1
- Duncansville1
- Dunmore1
- Dunnstown1
- Dupont1
- Duquesne1
- Duryea1
- Eagleview1
- Eagleville, Montgomery County1
- Earlston1
- East Bangor1
- East Berlin1
- East Berwick1
- East Conemaugh1
- East Earl1
- East Greenville1
- East Lansdowne1
- East McKeesport1
- East Petersburg1
- East Pittsburgh1
- East Stroudsburg1
- East Uniontown1
- East Washington1
- East York1
- Eastlawn Gardens1
- Easton1
- Ebensburg1
- Economy1
- Eddington1
- Eddystone1
- Edgewood, Allegheny County1
- Edgewood, Northumberland County1
- Edgeworth1
- Edinboro1
- Edwardsville1
- Effort1
- Elim1
- Elizabeth1
- Elizabethville1
- Elkins Park1
- Elkland1
- Ellport1
- Ellwood City1
- Elrama1
- Elysburg1
- Emeigh1
- Emigsville1
- Emporium1
- Enhaut1
- Enlow1
- Enola1
- Erie1
- Espy1
- Etna1
- Evans City1
- Evansburg1
- Everett1
- Exeter1
- Exton1
- Factoryville1
- Fairdale1
- Fairhope1
- Fairless Hills1
- Fairview, Erie County1
- Fairview-Ferndale1
- Falls Creek1
- Farmersville1
- Farrell1
- Faxon1
- Fayette1
- Fayetteville1
- Feasterville1
- Fellsburg1
- Felton1
- Ferndale1
- Finleyville1
- Fleetwood1
- Flemington1
- Flinton1
- Flourtown1
- Flying Hills1
- Folcroft1
- Folsom1
- Forest City1
- Forest Hills1
- Fort Washington1
- Forty Fort1
- Foster Brook1
- Fountain Hill1
- Fox Chapel1
- Fox Chase1
- Frackville1
- Franklin, Cambria County1
- Franklin County1
- Franklin Park1
- Fredericksburg, Lebanon County1
- Fredericktown1
- Freeland1
- Freemansburg1
- Friedens1
- Fullerton1
- Galeton1
- Gallitzin1
- Garden View1
- Gastonville1
- Geistown1
- Georgetown, Luzerne County1
- Gettysburg1
- Gibsonia1
- Gilbertsville1
- Girard1
- Girardville1
- Glassport1
- Glen Lyon1
- Glen Rock1
- Glendale1
- Glenolden1
- Glenshaw1
- Glenside1
- Gold Key Lake1
- Gordonville1
- Grantley1
- Green Hills1
- Green Tree1
- Greencastle1
- Greene1
- Greenfields1
- Greenock1
- Greensburg1
- Greenville1
- Greenwood1
- Grier City1
- Grill1
- Grove City1
- Guilford1
- Halfway House1
- Hallam1
- Hallstead1
- Hanover1
- Harford1
- Harleigh1
- Harleysville1
- Harrisburg1
- Harrison City1
- Harveys Lake1
- Harwick1
- Hasson Heights1
- Hastings1
- Hatboro1
- Hatfield1
- Hawley1
- Hazleton1
- Hebron1
- Heidelberg1
- Hellertown1
- Hemlock Farms1
- Hermitage1
- Hershey1
- Highland Park1
- Highspire1
- Hilldale1
- Hiller1
- Hollidaysburg1
- Homeacre-Lyndora1
- Homer City1
- Homestead1
- Hometown1
- Honesdale1
- Hopwood1
- Horsham1
- Houserville1
- Houston1
- Hudson1
- Hughestown1
- Hughesville1
- Hummelstown1
- Huntingdon1
- Hyde1
- Hyde Park, Berks County1
- Imperial1
- Indian Mountain Lake1
- Industry, Allegheny County1
- Industry, Beaver County1
- Ingram1
- Inkerman1
- Intercourse1
- Irwin1
- Ivyland1
- Jacksonwald1
- Jacobus1
- Jamison1
- Jeannette1
- Jefferson Hills1
- Jenkintown1
- Jermyn1
- Jerome1
- Jersey Shore1
- Jessup1
- Jim Thorpe1
- Johnsonburg1
- Johnstown1
- Jonestown, Columbia County1
- Kenhorst1
- Kenilworth1
- Kenmar1
- Kennett Square1
- King of Prussia1
- Kingston1
- Knox1
- Kratzerville1
- Kulpmont1
- Kulpsville1
- Kutztown1
- Kutztown University1
- Laceyville1
- Lackawanna1
- Laflin1
- Lake City1
- Lake Heritage1
- Lake Latonka1
- Lake Meade1
- Lake Wynonah1
- Lakemont1
- Lampeter1
- Lancaster1
- Lancaster County1
- Landisville1
- Langhorne1
- Langhorne Manor1
- Lansdale1
- Lansdowne1
- Lansford1
- Larksville1
- Lattimer1
- Laureldale1
- Lawnton1
- Lawrence County1
- Lawrence Park1
- Lebanon1
- Lebanon South1
- Leesport1
- Leetsdale1
- Lehighton1
- Leith-Hatfield1
- Lemont1
- Lemoyne1
- Leola1
- Level Green1
- Levittown1
- Lewisburg1
- Lewistown1
- Liberty, Allegheny County1
- Lightstreet1
- Lima1
- Lincoln1
- Linglestown1
- Linntown1
- Linwood1
- Lionville1
- Lititz1
- Littlestown1
- Lock Haven1
- Loganville1
- Lorane1
- Loretto1
- Lower Allen1
- Lower Burrell1
- Loysville1
- Luzerne1
- Luzerne County1
- Lycoming County1
- Lykens1
- Lynnwood-Pricedale1
- Mahanoy City1
- Malvern1
- Manchester1
- Manheim1
- Manor1
- Mansfield1
- Maple Glen1
- Marcus Hook1
- Marianne1
- Marienville1
- Marietta1
- Marion1
- Mars1
- Marshallton, Northumberland County1
- Martins Creek1
- Martinsburg1
- Marysville1
- Masontown1
- Matamoras1
- Maxatawny1
- Mayfield1
- Maytown1
- McAdoo1
- McConnellsburg1
- McConnellstown1
- McDonald1
- McEwensville1
- McGovern1
- McKeesport1
- McKinley1
- McMurray1
- McSherrystown1
- Meadowood1
- Meadville1
- Mechanicsburg1
- Mechanicsville1
- Media1
- Melrose Park1
- Mercer1
- Mercer County1
- Mercersburg1
- Meridian1
- Merion Station1
- Meyersdale1
- Middleburg1
- Middletown, Northampton County1
- Midland, Beaver County1
- Midway, Adams County1
- Mifflinburg1
- Mifflintown1
- Mifflinville1
- Milesburg1
- Milford1
- Mill Hall1
- Millbourne1
- Millersburg1
- Millersville1
- Millvale1
- Milroy1
- Milton1
- Minersville1
- Misericordia University1
- Monroe1
- Monroe County1
- Monroeville1
- Mont Alto1
- Mont Clare1
- Montgomery1
- Montgomery County1
- Montgomeryville1
- Montoursville1
- Montrose1
- Moosic1
- Morrisville, Greene County1
- Morton1
- Moscow1
- Mount Carmel1
- Mount Cobb1
- Mount Gretna Heights1
- Mount Holly Springs1
- Mount Joy1
- Mount Oliver1
- Mount Penn1
- Mount Pleasant1
- Mount Union1
- Mount Wolf1
- Mountain Top1
- Mountainhome1
- Mountville1
- Muhlenberg Park1
- Muncy1
- Mundys Corner1
- Munhall1
- Murrysville1
- Myerstown1
- Nanticoke1
- Nanty-Glo1
- Narberth1
- Natrona Heights1
- Nazareth1
- Nescopeck1
- Nesquehoning1
- New Beaver1
- New Berlinville1
- New Britain1
- New Castle1
- New Castle Northwest1
- New Columbia1
- New Cumberland1
- New Eagle1
- New Freedom1
- New Freeport1
- New Holland1
- New Hope1
- New Kensington1
- New Kingstown1
- New Milford1
- New Oxford1
- New Philadelphia1
- New Stanton1
- New Wilmington1
- Newmanstown1
- Newport1
- Newtown Grant1
- Newtown, Schuylkill County1
- Nicktown1
- Nixon1
- Norristown1
- North Belle Vernon1
- North Braddock1
- North Charleroi1
- North East1
- North Wales1
- North Warren1
- North York1
- Northampton County1
- Northern Cambria1
- Northumberland1
- Northwest Harborcreek1
- Norwood1
- Oak Hills1
- Oak Lane1
- Oakdale1
- Oakland, Lawrence County1
- Oakmont1
- Oakwood1
- Ohioville1
- Oil City1
- Old Forge1
- Old Orchard1
- Oley1
- Oliver1
- Olyphant1
- Orchard Hills1
- Oreland1
- Orwigsburg1
- Osceola Mills1
- Oxford1
- Palmdale1
- Palmer Heights1
- Palmerton1
- Palmyra1
- Palo Alto1
- Paoli1
- Paradise1
- Paris1
- Park Forest Village1
- Parkesburg1
- Parkside1
- Parkville1
- Patton1
- Paxtang1
- Paxtonia1
- Pen Argyl1
- Penbrook1
- Penfield1
- Penn Estates1
- Penn Lake Park1
- Penn Wynne1
- Penndel1
- Pennsburg1
- Pennside1
- Pennville1
- Penryn1
- Perkasie1
- Perry1
- Perryopolis1
- Philadelphia1
- Philipsburg1
- Phoenixville1
- Pike County1
- Pine Grove1
- Pine Grove Mills1
- Pine Ridge1
- Pitcairn1
- Pittsburgh1
- Pittston1
- Plains1
- Pleasant Gap1
- Pleasant Hill1
- Pleasant Hills1
- Pleasantville, Bedford County1
- Plumsteadville1
- Plymouth1
- Plymouth Meeting1
- Pocono Ranch Lands1
- Point Marion1
- Port Allegany1
- Port Carbon1
- Port Vue1
- Portage1
- Portersville1
- Pottsgrove1
- Pottstown1
- Pottsville1
- Progress1
- Prospect1
- Prospect Park, Cameron County1
- Punxsutawney1
- Pymatuning Central1
- Quakertown1
- Quarryville1
- Ramblewood1
- Rankin1
- Raubsville1
- Reading1
- Red Hill, Blair County1
- Red Lion1
- Reiffton1
- Rennerdale1
- Renovo1
- Republic1
- Reynolds Heights1
- Reynoldsville1
- Rheems1
- Richboro1
- Richland1
- Richlandtown1
- Ridley Park1
- Riverside, Cambria County1
- Riverview Park1
- Roaring Spring1
- Rockledge1
- Rockwood1
- Ronco1
- Roseto1
- Roslyn1
- Royalton1
- Royersford1
- Russell1
- Russellton1
- Rutherford1
- Rutledge1
- Salix1
- Salunga1
- Sanatoga1
- Sand Hill1
- Sandy1
- Sandy Lake1
- Saw Creek1
- Saxonburg1
- Saylorsburg1
- Sayre1
- Schlusser1
- Schnecksville1
- Schuylkill Haven1
- Schwenksville1
- Scotland1
- Scottdale1
- Scranton1
- Selinsgrove1
- Sellersville1
- Seneca1
- Seven Fields1
- Sewickley1
- Shamokin1
- Shamokin Dam1
- Shanor-Northvue1
- Sharon1
- Sharon Hill1
- Sharpsburg1
- Sharpsville1
- Shavertown1
- Sheffield1
- Shenandoah1
- Shenandoah Heights1
- Shiloh1
- Shinglehouse1
- Shippensburg1
- Shiremanstown1
- Shrewsbury1
- Sierra View1
- Simpson1
- Skippack1
- Skyline View1
- Slatington1
- Slippery Rock1
- Smethport1
- Somerset1
- Somerset County1
- Souderton1
- South Coatesville1
- South Connellsville1
- South Greensburg1
- South Montrose1
- South Pottstown1
- South Temple1
- South Uniontown1
- South Waverly1
- South Williamsport1
- Southmont1
- Southwest Greensburg1
- Speers1
- Spring City1
- Spring Grove1
- Spring House1
- Spring Mount1
- Spring Ridge1
- Springdale1
- Spry1
- St. Clair, Schuylkill County1
- St. Davids1
- St. Lawrence1
- St. Marys1
- State College1
- State Line1
- Steelton1
- Stewartstown1
- Stoneboro1
- Stony Creek Mills1
- Stonybrook1
- Stormstown1
- Stowe1
- Strasburg1
- Strausstown1
- Stroudsburg1
- Sturgeon1
- Sugarcreek1
- Summit Hill1
- Sun Valley1
- Sunbury1
- Sunrise Lake1
- Susquehanna1
- Susquehanna Trails1
- Sutersville1
- Swarthmore1
- Swedesburg1
- Swissvale1
- Swoyersville1
- Sykesville1
- Tamaqua1
- Tarentum1
- Tatamy1
- Taylor1
- Telford1
- Temple1
- Terre Hill1
- The Hideout1
- Thompsonville1
- Thorndale1
- Throop1
- Tioga County1
- Tionesta1
- Tipton1
- Titusville1
- Toftrees1
- Topton1
- Toughkenamon1
- Towamensing Trails1
- Towanda1
- Tower City1
- Trafford1
- Trainer1
- Trappe1
- Treasure Lake1
- Tremont1
- Trevose1
- Trooper1
- Troy1
- Trucksville1
- Tullytown1
- Tunkhannock1
- Turtle Creek1
- Tyrone1
- Union City1
- Union County1
- Uniontown1
- Upland1
- Valley Green1
- Valley View, York County1
- Verona1
- Versailles1
- Village Green-Green Ridge1
- Village Shires1
- Vinco1
- Wakefield1
- Wallenpaupack Lake Estates1
- Walnutport1
- Warminster Heights1
- Warren1
- Washington1
- Washington County1
- Waterford1
- Watsontown1
- Waymart1
- Wayne1
- Wayne County1
- Wayne Heights1
- Waynesboro1
- Waynesburg1
- Weatherly1
- Weigelstown1
- Weissport East1
- Wellsboro1
- Wescosville1
- Wesleyville1
- West Chester1
- West Conshohocken1
- West Easton1
- West Elizabeth1
- West Fairview1
- West Grove1
- West Hazleton1
- West Homestead1
- West Mifflin1
- West Newton1
- West Pittston1
- West Reading1
- West View1
- West Wilmerding1
- West Wyoming1
- West York1
- Westfield1
- Westmont1
- Westmoreland1
- Whitaker1
- White Haven1
- White Oak1
- Whitehall1
- Wilcox1
- Wilkes-Barre1
- Wilkinsburg1
- Williamsburg1
- Williamsport1
- Williamstown1
- Willow Grove1
- Willow Street1
- Wilmerding1
- Wilson1
- Wind Gap1
- Windber1
- Windsor1
- Winterstown1
- Wolfdale1
- Womelsdorf1
- Woodbourne1
- Woodland Heights1
- Woodlyn1
- Woodside1
- Wormleysburg1
- Woxall1
- Wrightsville1
- Wyano1
- Wyncote1
- Wyndmoor1
- Wyoming1
- Wyoming County1
- Yardley1
- Yeadon1
- Yeagertown1
- Yoe1
- York1
- York County1
- Yorklyn1
- Youngsville1
- Youngwood1
- Yukon1
- Zelienople1
- Zion1
- Adamstown0
- Akron0
- Alburtis0
- Aliquippa0
- Ancient Oaks0
- Apollo0
- Armstrong County0
- Avalon0
- Bally0
- Beaver0
- Beaver Falls0
- Bedford0
- Bellevue0
- Ben Avon0
- Breinigsville0
- Bridgewater0
- Canonsburg0
- Catasauqua0
- Cecil-Bishop0
- Cementon0
- Chevy Chase Heights0
- Christiana0
- Clay0
- Colony Park0
- Conway0
- Coopersburg0
- Coplay0
- Coudersport0
- Denver0
- Donora0
- East Rochester0
- Egypt0
- Elizabethtown0
- Elk County0
- Elverson0
- Emerald Lakes0
- Emmaus0
- Emsworth0
- Ephrata0
- Fivepointville0
- Ford City0
- Freedom0
- Freeport0
- Gap0
- Glenmoore0
- Hamburg0
- Hereford0
- Hokendauqua0
- Honey Brook0
- Hummels Wharf0
- Indiana0
- Kane0
- Kittanning0
- Laporte0
- Latrobe0
- Laurel Lake0
- Laurel Mountain0
- Laurys Station0
- Lawson Heights0
- Leechburg0
- Lehigh0
- Lenape Heights0
- Ligonier0
- Lincoln Park0
- Loyalhanna0
- Macungie0
- McKees Rocks0
- Midland, Washington County0
- Mohnton0
- Monaca0
- Monessen0
- Monongahela0
- Mount Pocono0
- Muse0
- New Brighton0
- Newville0
- North Apollo0
- North Catasauqua0
- Northampton0
- Plum0
- Pocono Pines0
- Reamstown0
- Reinholds0
- Ridgway0
- Robesonia0
- Rochester0
- Rothsville0
- Schoeneck0
- Shillington0
- Shoemakersville0
- Sinking Spring0
- Spinnerstown0
- Springmont0
- Stiles0
- Swartzville0
- Trevorton0
- Trexlertown0
- Unionville, Beaver County0
- Vandergrift0
- Wernersville0
- West Hamburg0
- West Hills0
- West Kittanning0
- West Lawn0
- West Leechburg0
- West Mayfield0
- West Wyomissing0
- Whitfield0
- Wickerham Manor-Fisher0
- Worthington0
- Wyomissing0
