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Air quality in Pennsylvania
Air quality index (AQI) and PM2.5 air pollution in Pennsylvania
LIVE AQI CITY RANKING
Real-time Pennsylvania
Most polluted city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Coatesville | 44 |
| 2 | Charleroi | 36 |
| 3 | Emsworth | 30 |
| 4 | Green Hills | 30 |
| 5 | Biglerville | 29 |
| 6 | Coraopolis | 29 |
| 7 | Natrona Heights | 29 |
| 8 | Beaver Falls | 28 |
| 9 | Graysville | 28 |
| 10 | Hershey | 28 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
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LIVE AQI CITY RANKING
Real-time Pennsylvania
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Hellertown | 0 |
| 2 | Doylestown | 1 |
| 3 | Lincoln | 3 |
| 4 | Malvern | 5 |
| 5 | Wescosville | 5 |
| 6 | West Chester | 5 |
| 7 | Milford | 6 |
| 8 | Upper Saint Clair | 6 |
| 9 | Downingtown | 7 |
| 10 | Lima | 7 |
(local time)
SEE WORLD AQI RANKING
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Pennsylvania air quality data attribution
360Contributors
- Allegheny County Health Department
7 stations
2 Government Contributors
- Nels Shirer
1 station
- LWP
1 station
- armacg
1 station
- Kurt S
1 station
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1 station
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1 station
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1 station
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1 station
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Rick Evans1 station
Anonymous1 station
15 Individual Contributors
343 Anonymous contributors343 stations
343 Anonymous Contributors
Which is the most polluted city in Pennsylvania?
- Coatesville 44
- Georgetown 43
- Midland 43
- Ohioville 43
- Ambridge 42
- Bessemer 42
- Big Beaver 42
- Carnot-Moon 42
- Conway 42
- East Washington 42
- Ellport 42
- Ellwood City 42
- Enlow 42
- Fairdale 42
- Imperial 42
- Leetsdale 42
- Masontown 42
- McGovern 42
- New Beaver 42
- Point Marion 42
- West Mayfield 42
- Bentleyville 41
- Bridgeville 41
- Cecil-Bishop 41
- Centerville 41
- Cranberry Township 41
- Fernway 41
- Fox Run 41
- Hiller 41
- Luzerne 41
- Muse 41
- Oakdale 41
- Rennerdale 41
- Republic 41
- Sturgeon 41
- Thompsonville 41
- Zelienople 41
- Allison Park 40
- Aspinwall 40
- Baidland 40
- Bakerstown 40
- Bethel Park 40
- Bloomfield 40
- Brentwood 40
- Brownsville 40
- Bryn Mawr 40
- California 40
- Castle Shannon 40
- Crafton 40
- Donora 40
- Dormont 40
- Dravosburg 40
- Edgewood 40
- Etna 40
- Evans City 40
- Fairhope 40
- Gibsonia 40
- Green Tree 40
- Heidelberg 40
- Ingram 40
- Liberty 40
- Lynnwood-Pricedale 40
- Mars 40
- McKees Rocks 40
- Millvale 40
- Monongahela 40
- Mount Oliver 40
- Munhall 40
- New Castle Northwest 40
- New Eagle 40
- North Belle Vernon 40
- North Charleroi 40
- Oakwood 40
- Pleasant Hills 40
- Port Vue 40
- Rankin 40
- Seven Fields 40
- South Park Township 40
- Speers 40
- West Homestead 40
- West View 40
- Whitaker 40
- Wickerham Manor-Fisher 40
- Wilson 40
- Blawnox 39
- Churchill 39
- Curtisville 39
- East Pittsburgh 39
- Fairchance 39
- Fellsburg 39
- New Wilmington 39
- Nixon 39
- North Braddock 39
- Oakmont 39
- Penn Hills 39
- Russellton 39
- Turtle Creek 39
- Verona 39
- Versailles 39
- Cheswick 38
- East McKeesport 38
- Greenock 38
- Hermitage 38
- Leith-Hatfield 38
- Meadowood 38
- Meridian 38
- North Versailles 38
- Oak Hills 38
- Perryopolis 38
- Sharon 38
- Sharpsville 38
- South Uniontown 38
- White Oak 38
- Wilmerding 38
- East Uniontown 37
- Grove City 37
- Homeacre-Lyndora 37
- Hopwood 37
- Lower Burrell 37
- Mercer 37
- New Kensington 37
- Oliver 37
- Pitcairn 37
- Reynolds Heights 37
- Uniontown 37
- Arnold 36
- Charleroi 36
- Greenville 36
- Irwin 36
- Lake Latonka 36
- Plum 36
- Saxonburg 36
- Tarentum 36
- Brackenridge 35
- Dunbar 35
- Level Green 35
- Connellsville 34
- Freeport 34
- Manor 34
- Pymatuning Central 34
- Sandy Lake 34
- South Connellsville 34
- Stoneboro 34
- Conneaut Lakeshore 33
- Scottdale 33
- Apollo 32
- Chicora 32
- Delmont 32
- Leechburg 32
- South Greensburg 32
- Southwest Greensburg 32
- West Leechburg 32
- Youngwood 32
- North Apollo 31
- Orchard Hills 31
- Ramblewood 31
- Vandergrift 31
- Calumet 30
- Emsworth 30
- Green Hills 30
- Montoursville 30
- Biglerville 29
- Cochranton 29
- Coraopolis 29
- Lenape Heights 29
- Natrona Heights 29
- Rockwood 29
- West Hills 29
- West Kittanning 29
- Wilcox 29
- Beaver Falls 28
- Graysville 28
- Hershey 28
- McDonald 28
- Sugarcreek 28
- Albion 27
- Aliquippa 27
- Burgettstown 27
- Duquesne 27
- Edgeworth 27
- Forest Hills 27
- Franklin 27
- Franklin Park 27
- Mount Lebanon 27
- New Brighton 27
- Rochester 27
- Shippensburg 27
- Waynesburg 27
- Avalon 26
- Bellevue 26
- Braddock 26
- Girard 26
- Industry 26
- Johnstown 26
- Lake City 26
- Sewickley 26
- Beaver 25
- Brogue 25
- Cambridge Springs 25
- Glassport 25
- Seneca 25
- Swissvale 25
- Washington 25
- Wolfdale 25
- Woodland Heights 25
- Avonia 24
- Baldwin 24
- Economy 24
- Edinboro 24
- Fairview 24
- Hasson Heights 24
- Houston 24
- Knox 24
- McMurray 24
- Meadville 24
- Monaca 24
- Oil City 24
- Prosperity 24
- Woodside 24
- Baden 23
- Belle Vernon 23
- Clairton 23
- Farrell 23
- Freedom 23
- Furlong 23
- Manheim 23
- Morrisville 23
- Sharpsburg 23
- Slippery Rock 23
- Wyomissing 23
- Bradford Woods 22
- Elizabeth 22
- Pittsburgh 22
- Pittston 22
- West Newton 22
- Avon 21
- Bath 21
- Elizabethville 21
- Ford City 21
- Fort Washington 21
- Harveys Lake 21
- Kittanning 21
- Lancaster 21
- Lehighton 21
- Montrose 21
- Northwest Harborcreek 21
- Plymouth Meeting 21
- Springfield 21
- Steelton 21
- Titusville 21
- Wesleyville 21
- Avondale 20
- Bangor 20
- Canonsburg 20
- Collinsburg 20
- Conashaugh Lakes 20
- East Stroudsburg 20
- Elizabethtown 20
- Erie 20
- Factoryville 20
- Fox Chapel 20
- Gold Key Lake 20
- Gordonville 20
- Hallstead 20
- Hemlock Farms 20
- Jefferson Hills 20
- Jim Thorpe 20
- Latrobe 20
- Lebanon 20
- Marcus Hook 20
- North East 20
- Palmerton 20
- Phoenixville 20
- Raubsville 20
- Robesonia 20
- Roseto 20
- Slatington 20
- Sunrise Lake 20
- Tamaqua 20
- Union City 20
- Walnutport 20
- Wilkes-Barre 20
- Alburtis 19
- Ambler 19
- Ancient Oaks 19
- Arlington Heights 19
- Bedminster 19
- Belfast 19
- Bloomsburg 19
- Blue Bell 19
- Braddock Hills 19
- Breinigsville 19
- Brittany Farms-Highlands 19
- Brodheadsville 19
- Bryn Athyn 19
- Burnham 19
- Catasauqua 19
- Cementon 19
- Cetronia 19
- Chalfont 19
- Cherryville 19
- Church Hill 19
- Churchville 19
- Coaldale 19
- Coplay 19
- Cressona 19
- Dallas 19
- Dorneyville 19
- Dublin 19
- Eastlawn Gardens 19
- Effort 19
- Egypt 19
- Emmaus 19
- Feasterville 19
- Forest City 19
- Fountain Hill 19
- Frackville 19
- Fullerton 19
- Hamburg 19
- Harleysville 19
- Hatboro 19
- Hatfield 19
- Hometown 19
- Horsham 19
- Indian Mountain Lake 19
- Ivyland 19
- Jermyn 19
- Kulpsville 19
- Kutztown 19
- Lake Wynonah 19
- Langhorne Manor 19
- Lansdale 19
- Lansford 19
- Laurys Station 19
- Loyalhanna 19
- Mahanoy City 19
- Marianne 19
- McAdoo 19
- McKeesport 19
- Mifflintown 19
- Milroy 19
- Nazareth 19
- Nesquehoning 19
- New Britain 19
- New Castle 19
- New Holland 19
- New Philadelphia 19
- Newtown 19
- North Catasauqua 19
- North Wales 19
- Old Orchard 19
- Orwigsburg 19
- Palmer Heights 19
- Palo Alto 19
- Penn Estates 19
- Penndel 19
- Pennsburg 19
- Perkasie 19
- Philadelphia 19
- Pine Ridge 19
- Plumsteadville 19
- Pocono Ranch Lands 19
- Port Carbon 19
- Pottsville 19
- Red Hill 19
- Richboro 19
- Richlandtown 19
- Saint Clair 19
- Saw Creek 19
- Saylorsburg 19
- Schnecksville 19
- Schuylkill Haven 19
- Scranton 19
- Sellersville 19
- Shenandoah 19
- Shenandoah Heights 19
- Sierra View 19
- Souderton 19
- Spinnerstown 19
- Stiles 19
- Stroudsburg 19
- Summit Hill 19
- Sun Valley 19
- Tatamy 19
- Telford 19
- Tinicum 19
- Topton 19
- Towamensing Trails 19
- Trafford 19
- Trevose 19
- Trexlertown 19
- Village Shires 19
- Wallenpaupack Lake Estates 19
- Warminster Heights 19
- Waymart 19
- Weatherly 19
- Weissport East 19
- West Easton 19
- West Hamburg 19
- Whitehall 19
- Whitehall Township 19
- Willow Grove 19
- Wind Gap 19
- Woodbourne 19
- Woxall 19
- Youngsville 19
- Audubon 18
- Avis 18
- Bally 18
- Belleville 18
- Ben Avon 18
- Berwyn 18
- Birchwood Lakes 18
- Blairsville 18
- Blandon 18
- Boyertown 18
- Bridgeport 18
- Bristol 18
- Butler 18
- Carbondale 18
- Castanea 18
- Centre Hall 18
- Collegeville 18
- Colonial Park 18
- Conshohocken 18
- Cornwells Heights 18
- Croydon 18
- Derry 18
- Dresher 18
- Duncannon 18
- Dunnstown 18
- Eagleville 18
- Eddington 18
- Emerald Lakes 18
- Enola 18
- Evansburg 18
- Fairless Hills 18
- Fleetwood 18
- Flemington 18
- Flourtown 18
- Freemansburg 18
- Gilbertsville 18
- Girardville 18
- Glenside 18
- Halfway House 18
- Harleigh 18
- Hazleton 18
- Highland Park 18
- Jenkintown 18
- Lawrence Park 18
- Leesport 18
- Levittown 18
- Lewistown 18
- Limerick 18
- Lock Haven 18
- Lykens 18
- Marysville 18
- Matamoras 18
- Middleburg 18
- Mill Hall 18
- Millersburg 18
- Minersville 18
- Monroeville 18
- Mount Pocono 18
- Mountainhome 18
- Murrysville 18
- New Berlinville 18
- Newport 18
- Norristown 18
- Oley 18
- Oreland 18
- Paxtonia 18
- Penbrook 18
- Pine Grove 18
- Pocono Pines 18
- Pottsgrove 18
- Progress 18
- Rockledge 18
- Royersford 18
- Sanatoga 18
- Sayre 18
- Schwenksville 18
- Shanor-Northvue 18
- Shoemakersville 18
- Simpson 18
- Skippack 18
- Skyline View 18
- South Waverly 18
- Spring Mount 18
- Springdale 18
- Throop 18
- Tionesta 18
- Tower City 18
- Trappe 18
- Tremont 18
- Trooper 18
- Tullytown 18
- West Fairview 18
- West Hazleton 18
- West Norriton 18
- Williamstown 18
- Woodburn 18
- Wyncote 18
- Wyndmoor 18
- Yeagertown 18
- Amity Gardens 17
- Annville 17
- Ashland 17
- Athens 17
- Beech Mountain Lakes 17
- Bellefonte 17
- Birdsboro 17
- Black Lick 17
- Blakely 17
- Boalsburg 17
- Bressler 17
- Campbelltown 17
- Chambersburg 17
- Chesterbrook 17
- Clarion 17
- Cleona 17
- Colony Park 17
- Corry 17
- Devon 17
- Dillsburg 17
- Duboistown 17
- Dunmore 17
- Enhaut 17
- Faxon 17
- Fayetteville 17
- Flying Hills 17
- Fox Chase 17
- Fredericksburg 17
- Freeland 17
- Gastonville 17
- Greenfields 17
- Greensburg 17
- Grill 17
- Guilford 17
- Hebron 17
- Highspire 17
- Homer City 17
- Houserville 17
- Hummelstown 17
- Hyde Park 17
- Jacksonwald 17
- Jonestown 17
- Kenhorst 17
- Kenilworth 17
- King of Prussia 17
- Laureldale 17
- Lawnton 17
- Lebanon South 17
- Lemont 17
- Lemoyne 17
- Lewisburg 17
- Lincoln Park 17
- Lorane 17
- Lower Allen 17
- Mifflinburg 17
- Monessen 17
- Mont Alto 17
- Mount Holly Springs 17
- Mount Penn 17
- Muhlenberg Park 17
- Myerstown 17
- New Cumberland 17
- Newmanstown 17
- Newville 17
- Palmdale 17
- Palmyra 17
- Paxtang 17
- Pennside 17
- Pine Grove Mills 17
- Pleasant Gap 17
- Pleasant Hill 17
- Pottstown 17
- Radnor 17
- Reading 17
- Reiffton 17
- Richland 17
- River View Park 17
- Royalton 17
- Rutherford 17
- Saint Lawrence 17
- Sand Hill 17
- Scotland 17
- Shillington 17
- Shiremanstown 17
- Sinking Spring 17
- South Pottstown 17
- South Temple 17
- South Williamsport 17
- Spring Ridge 17
- Stony Creek Mills 17
- Stowe 17
- Tacony 17
- Tannersville 17
- Temple 17
- The Hideout 17
- Valley Green 17
- Wayne 17
- Waynesboro 17
- Wernersville 17
- West Conshohocken 17
- West Lawn 17
- West Reading 17
- West Wyomissing 17
- White Haven 17
- Whitfield 17
- Womelsdorf 17
- Wormleysburg 17
- Wyomissing Hills 17
- Zion 17
- Adamstown 16
- Aldan 16
- Alleghenyville 16
- Ardmore 16
- Bala-Cynwyd 16
- Blossburg 16
- Broomall 16
- Camp Hill 16
- Center City 16
- Chevy Chase Heights 16
- Clifton Heights 16
- Collingdale 16
- Columbia 16
- Colwyn 16
- Conyngham 16
- Cornwall 16
- Darby 16
- Denver 16
- Dewart 16
- Drexel Hill 16
- Eagleview 16
- East Lansdowne 16
- Elkland 16
- Exton 16
- Fairview-Ferndale 16
- Garden View 16
- Greencastle 16
- Guilford Siding 16
- Harrisburg 16
- Hummels Wharf 16
- Jersey Shore 16
- Jessup 16
- Kenmar 16
- Kulpmont 16
- Lansdowne 16
- Linntown 16
- Lionville 16
- Littlestown 16
- Mansfield 16
- Marshallton 16
- Mayfield 16
- Middletown 16
- Milesburg 16
- Millbourne 16
- Mohnton 16
- Montgomery 16
- Mount Carmel 16
- Mount Union 16
- Narberth 16
- New Bloomfield 16
- New Columbia 16
- Park Forest Village 16
- Peckville 16
- Penn Wynne 16
- Prospect 16
- Reinholds 16
- Schoeneck 16
- Selinsgrove 16
- Shamokin 16
- Shamokin Dam 16
- Somerset 16
- Spring House 16
- State Line 16
- Sunbury 16
- Swartzville 16
- Toftrees 16
- Towanda 16
- Trevorton 16
- Troy 16
- Watsontown 16
- Wayne Heights 16
- Wellsboro 16
- Westfield 16
- Yeadon 16
- Akron 15
- Almedia 15
- Bainbridge 15
- Berwick 15
- Bethlehem 15
- Big Bass Lake 15
- Boothwyn 15
- Bowmansville 15
- Brickerville 15
- Brookhaven 15
- Caln 15
- Canton 15
- Carroll Valley 15
- Catawissa 15
- Chester Heights 15
- Chester Springs 15
- Clay 15
- Danville 15
- Dickson City 15
- East Berwick 15
- Eddystone 15
- Elysburg 15
- Ephrata 15
- Espy 15
- Fivepointville 15
- Folcroft 15
- Folsom 15
- Galeton 15
- Gettysburg 15
- Glenolden 15
- Honey Brook 15
- Hughesville 15
- Lake Meade 15
- Light Street 15
- Linwood 15
- Manchester 15
- McConnellsburg 15
- McConnellstown 15
- Mechanicsville 15
- Mercersburg 15
- Meyersdale 15
- Mifflinville 15
- Milton 15
- Monroe 15
- Morton 15
- Mountain Top 15
- Muncy 15
- Nescopeck 15
- North Warren 15
- Norwood 15
- Parkside 15
- Pennsport 15
- Penryn 15
- Prospect Park 15
- Reamstown 15
- Renovo 15
- Rheems 15
- Ridley Park 15
- Riverside 15
- Russell 15
- Schlusser 15
- Sharon Hill 15
- Swarthmore 15
- Terre Hill 15
- Thorndale 15
- Trainer 15
- Tunkhannock 15
- Village Green-Green Ridge 15
- Warren 15
- Wharton 15
- Whitman 15
- Williamsport 15
- Woodlyn 15
- York 15
- Abbottstown 14
- Allentown 14
- Altoona 14
- Ashley 14
- Atglen 14
- Berlin 14
- Blue Ball 14
- Bonneauville 14
- Boswell 14
- Bradford 14
- Brookville 14
- Brownstown 14
- Chester 14
- Christiana 14
- Conestoga 14
- Coudersport 14
- Dalton 14
- Dover 14
- East Berlin 14
- East Earl 14
- East York 14
- Easton 14
- Emigsville 14
- Foster Brook 14
- Gap 14
- Glen Lyon 14
- Grantley 14
- Hallam 14
- Hanover 14
- Hawley 14
- Homestead 14
- Intercourse 14
- Jacobus 14
- Kennett Square 14
- Lake Heritage 14
- Lampeter 14
- Landisville 14
- Larksville 14
- Leola 14
- Lititz 14
- Macungie 14
- Maple Glen 14
- Marienville 14
- Marietta 14
- Maytown 14
- McSherrystown 14
- Midway 14
- Millersville 14
- Montgomeryville 14
- Moscow 14
- Mount Cobb 14
- Mount Joy 14
- Mount Pleasant 14
- Mount Wolf 14
- Mountville 14
- Nanticoke 14
- New Oxford 14
- North York 14
- Olyphant 14
- Osceola Mills 14
- Oxford 14
- Paradise 14
- Parkesburg 14
- Parkville 14
- Pennville 14
- Philipsburg 14
- Plymouth 14
- Quarryville 14
- Rothsville 14
- Salunga 14
- Sheffield 14
- Shiloh 14
- Shinglehouse 14
- South Coatesville 14
- Spring Grove 14
- Spry 14
- State College 14
- Stonybrook 14
- Stormstown 14
- Susquehanna Trails 14
- Toughkenamon 14
- Tyrone 14
- Upland 14
- Valley View 14
- Weigelstown 14
- West Grove 14
- West York 14
- Wilkinsburg 14
- Williamsburg 14
- Willow Street 14
- Yorklyn 14
- Avoca 13
- Back Mountain 13
- Bear Rocks 13
- Beaverdale 13
- Bedford 13
- Bellwood 13
- Belmont 13
- Boiling Springs 13
- Brockway 13
- Browntown 13
- Carlisle 13
- Central City 13
- Chinchilla 13
- Clarks Green 13
- Clarks Summit 13
- Claysburg 13
- Clymer 13
- Conemaugh 13
- Dale 13
- Dallastown 13
- Davidsville 13
- Donegal 13
- Duncansville 13
- Dupont 13
- Duryea 13
- Earlston 13
- East Conemaugh 13
- East Greenville 13
- Edwardsville 13
- Elim 13
- Emporium 13
- Everett 13
- Exeter 13
- Ferndale 13
- Forty Fort 13
- Friedens 13
- Geistown 13
- Glen Rock 13
- Greenwood 13
- Hilldale 13
- Hollidaysburg 13
- Hudson 13
- Hughestown 13
- Inkerman 13
- Jerome 13
- Johnsonburg 13
- Kane 13
- Kingston 13
- Laflin 13
- Lakemont 13
- Langhorne 13
- Laporte 13
- Loganville 13
- Martinsburg 13
- Moosic 13
- Mundys Corner 13
- New Freedom 13
- New Kingstown 13
- Newtown Grant 13
- Northumberland 13
- Oakland 13
- Old Forge 13
- Plains 13
- Port Allegany 13
- Portage 13
- Quakertown 13
- Red Lion 13
- Ridgway 13
- Roaring Spring 13
- Saint Marys 13
- Salix 13
- Shavertown 13
- Shrewsbury 13
- Smethport 13
- Southmont 13
- Stewartstown 13
- Strasburg 13
- Susquehanna 13
- Swoyersville 13
- Taylor 13
- Tipton 13
- Trucksville 13
- Vinco 13
- West Pittston 13
- West Wyoming 13
- Westmont 13
- Windber 13
- Windsor 13
- Wrightsville 13
- Wyoming 13
- Yoe 13
- Barnesboro 12
- Carnegie 12
- Clearfield 12
- Coopersburg 12
- Cresson 12
- DuBois 12
- East Bangor 12
- East Petersburg 12
- Ebensburg 12
- Falls Creek 12
- Gallitzin 12
- Hastings 12
- Huntingdon 12
- Hyde 12
- Indiana 12
- Linglestown 12
- Loretto 12
- Mechanicsburg 12
- Nanty Glo 12
- Northampton 12
- Northern Cambria 12
- Paoli 12
- Patton 12
- Pen Argyl 12
- Penfield 12
- Punxsutawney 12
- Reynoldsville 12
- Sandy 12
- Spangler 12
- Treasure Lake 12
- Yardley 12
- Bell Acres 11
- Curwensville 11
- Hokendauqua 11
- Media 11
- New Stanton 11
- Spring City 11
- Sykesville 11
- Archbald 10
- Elverson 10
- Lawson Heights 10
- New Hope 10
- West Mifflin 10
- Glenshaw 9
- Honesdale 9
- Jeannette 9
- Ligonier 9
- Waterford 9
- Downingtown 7
- Lima 7
- Milford 6
- Upper Saint Clair 6
- Malvern 5
- Wescosville 5
- West Chester 5
- Lincoln 3
- Doylestown 1
- Hellertown 0
AQI US, Metric