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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 | Carnegie | 55 |
| 2 | Charleroi | 38 |
| 3 | Belle Vernon | 33 |
| 4 | Natrona Heights | 33 |
| 5 | Emsworth | 31 |
| 6 | Baldwin | 30 |
| 7 | Coatesville | 30 |
| 8 | Duquesne | 30 |
| 9 | Hershey | 30 |
| 10 | Johnstown | 30 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
359 Contributors
See all
LIVE AQI CITY RANKING
Real-time Pennsylvania
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Doylestown | 5 |
| 2 | Lincoln | 5 |
| 3 | Hellertown | 6 |
| 4 | West Chester | 7 |
| 5 | East Petersburg | 8 |
| 6 | Malvern | 8 |
| 7 | Milford | 8 |
| 8 | Downingtown | 9 |
| 9 | Elverson | 9 |
| 10 | Boiling Springs | 10 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
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The latest air quality news and resources.
Pennsylvania air quality data attribution
359Contributors
- Allegheny County Health Department
7 stations
2 Government Contributors
- Keller’s
1 station
Educational Contributor
- Nels Shirer
1 station
- LWP
1 station
- armacg
1 station
- Kurt S
1 station
- fiorill
1 station
- Richard Seavey
1 station
- miner18925
1 station
OKey1 station
- Ta Ma
1 station
- CW7221
1 station
- Bill Fenner
1 station
- Jeff Wiggins
1 station
- JH
1 station
Rick Evans1 station
Anonymous1 station
15 Individual Contributors
341 Anonymous contributors341 stations
341 Anonymous Contributors
Which is the most polluted city in Pennsylvania?
- Carnegie 55
- Bessemer 43
- East Washington 43
- McGovern 43
- Ohioville 43
- Ambridge 42
- Baidland 42
- Bethel Park 42
- Big Beaver 42
- Bridgeville 42
- Brownsville 42
- Bryn Mawr 42
- California 42
- Carnot-Moon 42
- Cecil-Bishop 42
- Centerville 42
- Conway 42
- Ellport 42
- Ellwood City 42
- Enlow 42
- Fairdale 42
- Georgetown 42
- Hiller 42
- Imperial 42
- Leetsdale 42
- Luzerne 42
- Masontown 42
- Midland 42
- Monongahela 42
- Muse 42
- New Beaver 42
- New Castle Northwest 42
- New Eagle 42
- North Belle Vernon 42
- North Charleroi 42
- Oakdale 42
- Oakwood 42
- Rennerdale 42
- Republic 42
- South Park Township 42
- Speers 42
- Sturgeon 42
- Thompsonville 42
- West Mayfield 42
- Wickerham Manor-Fisher 42
- Castle Shannon 41
- Crafton 41
- Donora 41
- Dormont 41
- East Uniontown 41
- Fairchance 41
- Fairhope 41
- Fernway 41
- Green Tree 41
- Heidelberg 41
- Hopwood 41
- Ingram 41
- Leith-Hatfield 41
- Lynnwood-Pricedale 41
- McKees Rocks 41
- New Wilmington 41
- Oliver 41
- Perryopolis 41
- Pleasant Hills 41
- Point Marion 41
- Sharon 41
- Sharpsville 41
- South Uniontown 41
- Uniontown 41
- Zelienople 41
- Brentwood 40
- Cranberry Township 40
- Evans City 40
- Fellsburg 40
- Fox Run 40
- Hermitage 40
- Millvale 40
- Mount Oliver 40
- Seven Fields 40
- West View 40
- Wilson 40
- Allison Park 39
- Aspinwall 39
- Bloomfield 39
- Dravosburg 39
- Dunbar 39
- Edgewood 39
- Etna 39
- Liberty 39
- Mars 39
- Munhall 39
- Port Vue 39
- Rankin 39
- Versailles 39
- West Homestead 39
- Whitaker 39
- Bakerstown 38
- Blawnox 38
- Charleroi 38
- Churchill 38
- Connellsville 38
- East Pittsburgh 38
- Gibsonia 38
- Greenock 38
- North Braddock 38
- South Connellsville 38
- Turtle Creek 38
- White Oak 38
- East McKeesport 37
- Irwin 37
- Mercer 37
- Meridian 37
- Nixon 37
- North Versailles 37
- Oakmont 37
- Penn Hills 37
- Reynolds Heights 37
- Verona 37
- Wilmerding 37
- Cheswick 36
- Curtisville 36
- Greenville 36
- Grove City 36
- Homeacre-Lyndora 36
- Oak Hills 36
- Pitcairn 36
- Russellton 36
- Sandy Lake 36
- Scottdale 36
- Lake Latonka 35
- Level Green 35
- Meadowood 35
- Ramblewood 35
- Arnold 34
- Lower Burrell 34
- Manor 34
- New Kensington 34
- Plum 34
- Saxonburg 34
- Tarentum 34
- Youngwood 34
- Belle Vernon 33
- Brackenridge 33
- Montoursville 33
- Natrona Heights 33
- Peckville 33
- Pymatuning Central 33
- Rockwood 33
- Wilcox 33
- Freeport 32
- South Greensburg 32
- Calumet 31
- Emsworth 31
- Southwest Greensburg 31
- Apollo 30
- Baldwin 30
- Brogue 30
- Coatesville 30
- Delmont 30
- Duquesne 30
- Hershey 30
- Johnstown 30
- Leechburg 30
- North Apollo 30
- Orchard Hills 30
- Stoneboro 30
- Vandergrift 30
- West Leechburg 30
- Burgettstown 29
- Chicora 29
- East Stroudsburg 29
- Green Hills 29
- Ben Avon 28
- Biglerville 28
- Conneaut Lakeshore 28
- Forest Hills 28
- Franklin Park 28
- Lebanon 28
- Lenape Heights 28
- McMurray 28
- Swissvale 28
- West Hills 28
- Aliquippa 27
- Bellevue 27
- Ford City 27
- Glassport 27
- Kutztown 27
- McDonald 27
- Rochester 27
- West Kittanning 27
- Avalon 26
- Beaver Falls 26
- Clairton 26
- Coraopolis 26
- Hallstead 26
- Industry 26
- Montrose 26
- Mount Lebanon 26
- New Brighton 26
- Waterford 26
- Waynesburg 26
- Athens 25
- Baden 25
- Beaver 25
- Bristol 25
- Cochranton 25
- Freedom 25
- Graysville 25
- Meyersdale 25
- Monaca 25
- Sayre 25
- Sharpsburg 25
- Shippensburg 25
- South Waverly 25
- West Newton 25
- Wolfdale 25
- Braddock 24
- Bradford Woods 24
- Elizabeth 24
- Forest City 24
- Fox Chapel 24
- Houston 24
- Latrobe 24
- Pittsburgh 24
- Prosperity 24
- Sewickley 24
- Trafford 24
- Tunkhannock 24
- Washington 24
- Albion 23
- Braddock Hills 23
- Canonsburg 23
- Carbondale 23
- Collinsburg 23
- Loyalhanna 23
- Murrysville 23
- New Castle 23
- Simpson 23
- Slippery Rock 23
- Somerset 23
- Sugarcreek 23
- Woodside 23
- Avonia 22
- Berlin 22
- Butler 22
- Dalton 22
- Edgeworth 22
- Erie 22
- Fairview 22
- Farrell 22
- Franklin 22
- Friedens 22
- Girard 22
- Jefferson Hills 22
- Lake City 22
- Mayfield 22
- Shanor-Northvue 22
- Towanda 22
- Waymart 22
- Blossburg 21
- Cambridge Springs 21
- Clarks Green 21
- Edinboro 21
- Elkland 21
- Harveys Lake 21
- Jermyn 21
- Kittanning 21
- Manheim 21
- Mansfield 21
- McKeesport 21
- Monroe 21
- Monroeville 21
- Morrisville 21
- Northwest Harborcreek 21
- Troy 21
- Union City 21
- Wellsboro 21
- Wesleyville 21
- Woodburn 21
- Woodland Heights 21
- Archbald 20
- Chinchilla 20
- Clarks Summit 20
- Columbia 20
- Corry 20
- Derry 20
- Effort 20
- Emerald Lakes 20
- Garden View 20
- Gastonville 20
- Hasson Heights 20
- Indian Mountain Lake 20
- Knox 20
- Marcus Hook 20
- Mount Cobb 20
- Mount Pocono 20
- New Hope 20
- North East 20
- Oil City 20
- Olyphant 20
- Pittston 20
- Pocono Pines 20
- Robesonia 20
- Seneca 20
- Sierra View 20
- Sun Valley 20
- The Hideout 20
- Throop 20
- Towamensing Trails 20
- Westfield 20
- Arlington Heights 19
- Big Bass Lake 19
- Blakely 19
- Brodheadsville 19
- Canton 19
- Cherryville 19
- Clarion 19
- Conashaugh Lakes 19
- Dickson City 19
- Duboistown 19
- Dunmore 19
- East Greenville 19
- Faxon 19
- Furlong 19
- Galeton 19
- Gold Key Lake 19
- Gordonville 19
- Greensburg 19
- Hemlock Farms 19
- Jersey Shore 19
- Jessup 19
- Kenmar 19
- Marianne 19
- Moscow 19
- Mountainhome 19
- Nesquehoning 19
- Palmerton 19
- Penn Estates 19
- Prospect 19
- Saint Clair 19
- Slatington 19
- South Williamsport 19
- Springfield 19
- Stormstown 19
- Sunrise Lake 19
- Susquehanna 19
- Titusville 19
- Wallenpaupack Lake Estates 19
- Walnutport 19
- Weissport East 19
- Whitehall 19
- Avis 18
- Avon 18
- Blairsville 18
- Coaldale 18
- Dallas 18
- Foster Brook 18
- Homestead 18
- Hometown 18
- Hughesville 18
- Lancaster 18
- Lansford 18
- Laporte 18
- Laurys Station 18
- Littlestown 18
- Marienville 18
- McAdoo 18
- Monessen 18
- Montgomery 18
- Muncy 18
- New Holland 18
- New Stanton 18
- North Warren 18
- Old Forge 18
- Pine Ridge 18
- Pocono Ranch Lands 18
- Roseto 18
- Russell 18
- Saw Creek 18
- Saylorsburg 18
- Schnecksville 18
- Scranton 18
- Sheffield 18
- Stroudsburg 18
- Summit Hill 18
- Tamaqua 18
- Tannersville 18
- Taylor 18
- Tionesta 18
- Warren 18
- Waynesboro 18
- Weatherly 18
- White Haven 18
- Wilkes-Barre 18
- Wilkinsburg 18
- Williamsport 18
- Wind Gap 18
- Youngsville 18
- Ashley 17
- Avoca 17
- Avondale 17
- Back Mountain 17
- Bangor 17
- Beech Mountain Lakes 17
- Belfast 17
- Berwyn 17
- Birchwood Lakes 17
- Black Lick 17
- Bloomsburg 17
- Bradford 17
- Brookville 17
- Browntown 17
- Burnham 17
- Castanea 17
- Catasauqua 17
- Cementon 17
- Cetronia 17
- Church Hill 17
- Coplay 17
- Coudersport 17
- Dewart 17
- Dorneyville 17
- Dunnstown 17
- Dupont 17
- Duryea 17
- Eastlawn Gardens 17
- Easton 17
- Edwardsville 17
- Egypt 17
- Emporium 17
- Exeter 17
- Factoryville 17
- Flemington 17
- Forty Fort 17
- Fountain Hill 17
- Freeland 17
- Fullerton 17
- Gettysburg 17
- Harleigh 17
- Hawley 17
- Hazleton 17
- Hilldale 17
- Homer City 17
- Hudson 17
- Hughestown 17
- Huntingdon 17
- Inkerman 17
- Johnsonburg 17
- Kane 17
- Kingston 17
- Laflin 17
- Larksville 17
- Lawson Heights 17
- Lehighton 17
- Lewisburg 17
- Lock Haven 17
- Mahanoy City 17
- Meadville 17
- Mill Hall 17
- Milroy 17
- Moosic 17
- Mountain Top 17
- Nazareth 17
- New Bloomfield 17
- New Philadelphia 17
- North Catasauqua 17
- Old Orchard 17
- Orwigsburg 17
- Palmer Heights 17
- Plains 17
- Plymouth 17
- Port Allegany 17
- Renovo 17
- Ridgway 17
- Shavertown 17
- Shinglehouse 17
- Smethport 17
- Springdale 17
- Stiles 17
- Swoyersville 17
- Tatamy 17
- Trucksville 17
- Watsontown 17
- West Easton 17
- West Hazleton 17
- West Pittston 17
- West Wyoming 17
- Whitehall Township 17
- Wyoming 17
- Wyomissing 17
- Yeagertown 17
- Alburtis 16
- Ancient Oaks 16
- Bally 16
- Bedminster 16
- Belleville 16
- Boalsburg 16
- Breinigsville 16
- Brockway 16
- Centre Hall 16
- Chevy Chase Heights 16
- Conyngham 16
- Cressona 16
- Donegal 16
- Dublin 16
- Elizabethtown 16
- Elizabethville 16
- Emmaus 16
- Frackville 16
- Freemansburg 16
- Glen Lyon 16
- Hamburg 16
- Highland Park 16
- Houserville 16
- Jim Thorpe 16
- Lake Wynonah 16
- Lemont 16
- Lewistown 16
- Ligonier 16
- Middleburg 16
- Mifflinburg 16
- Mifflintown 16
- Millersburg 16
- Milton 16
- Minersville 16
- Nanticoke 16
- New Columbia 16
- Newport 16
- Northumberland 16
- Palo Alto 16
- Pennsburg 16
- Perkasie 16
- Pleasant Gap 16
- Plumsteadville 16
- Plymouth Meeting 16
- Port Carbon 16
- Pottsville 16
- Raubsville 16
- Red Hill 16
- Richlandtown 16
- Saint Marys 16
- Schuylkill Haven 16
- Sellersville 16
- Shenandoah 16
- Shenandoah Heights 16
- Shoemakersville 16
- Souderton 16
- Spinnerstown 16
- Telford 16
- Tinicum 16
- Topton 16
- Trexlertown 16
- West Hamburg 16
- Woxall 16
- Zion 16
- Almedia 15
- Ambler 15
- Annville 15
- Ashland 15
- Audubon 15
- Bear Rocks 15
- Bellefonte 15
- Berwick 15
- Bethlehem 15
- Blandon 15
- Blue Bell 15
- Boswell 15
- Boyertown 15
- Bressler 15
- Bridgeport 15
- Brittany Farms-Highlands 15
- Bryn Athyn 15
- Campbelltown 15
- Chalfont 15
- Chambersburg 15
- Chester 15
- Chester Springs 15
- Churchville 15
- Cleona 15
- Clymer 15
- Collegeville 15
- Colonial Park 15
- Conshohocken 15
- Cornwall 15
- Davidsville 15
- Dillsburg 15
- Dresher 15
- DuBois 15
- Duncannon 15
- Eagleville 15
- East Bangor 15
- East Berwick 15
- Enhaut 15
- Enola 15
- Evansburg 15
- Falls Creek 15
- Fayetteville 15
- Feasterville 15
- Fleetwood 15
- Flourtown 15
- Fox Chase 15
- Fredericksburg 15
- Gilbertsville 15
- Girardville 15
- Glenside 15
- Greencastle 15
- Guilford 15
- Guilford Siding 15
- Halfway House 15
- Harleysville 15
- Harrisburg 15
- Hatboro 15
- Hatfield 15
- Hebron 15
- Highspire 15
- Horsham 15
- Hummels Wharf 15
- Hummelstown 15
- Indiana 15
- Ivyland 15
- Jenkintown 15
- Jerome 15
- Jonestown 15
- Kulpmont 15
- Kulpsville 15
- Langhorne Manor 15
- Lansdale 15
- Lawnton 15
- Lawrence Park 15
- Lebanon South 15
- Leesport 15
- Lemoyne 15
- Light Street 15
- Limerick 15
- Linntown 15
- Lower Allen 15
- Lykens 15
- Maple Glen 15
- Marysville 15
- Matamoras 15
- Mifflinville 15
- Milesburg 15
- Mont Alto 15
- Mount Carmel 15
- Mount Holly Springs 15
- Mount Union 15
- Myerstown 15
- Nescopeck 15
- New Berlinville 15
- New Britain 15
- New Cumberland 15
- Newmanstown 15
- Newtown 15
- Newtown Grant 15
- Newville 15
- Norristown 15
- North Wales 15
- Northampton 15
- Oley 15
- Oreland 15
- Palmdale 15
- Palmyra 15
- Park Forest Village 15
- Paxtang 15
- Paxtonia 15
- Pen Argyl 15
- Penbrook 15
- Penndel 15
- Pine Grove 15
- Pine Grove Mills 15
- Pleasant Hill 15
- Pottsgrove 15
- Progress 15
- Punxsutawney 15
- Quakertown 15
- Reynoldsville 15
- Rheems 15
- Richboro 15
- Richland 15
- River View Park 15
- Royalton 15
- Rutherford 15
- Sanatoga 15
- Sand Hill 15
- Sandy 15
- Schlusser 15
- Schwenksville 15
- Scotland 15
- Selinsgrove 15
- Shamokin Dam 15
- Shiremanstown 15
- Skippack 15
- Skyline View 15
- South Temple 15
- Spring Mount 15
- State College 15
- Strasburg 15
- Sunbury 15
- Sykesville 15
- Temple 15
- Toftrees 15
- Tower City 15
- Trappe 15
- Treasure Lake 15
- Tremont 15
- Trevose 15
- Trooper 15
- Valley Green 15
- Village Shires 15
- Warminster Heights 15
- Wayne Heights 15
- West Fairview 15
- West Norriton 15
- Williamstown 15
- Willow Grove 15
- Womelsdorf 15
- Woodbourne 15
- Wormleysburg 15
- Wyncote 15
- Wyndmoor 15
- Abbottstown 14
- Adamstown 14
- Akron 14
- Aldan 14
- Alleghenyville 14
- Allentown 14
- Altoona 14
- Amity Gardens 14
- Ardmore 14
- Bainbridge 14
- Bala-Cynwyd 14
- Barnesboro 14
- Beaverdale 14
- Bellwood 14
- Belmont 14
- Birdsboro 14
- Blue Ball 14
- Bonneauville 14
- Bowmansville 14
- Brickerville 14
- Brookhaven 14
- Broomall 14
- Brownstown 14
- Caln 14
- Camp Hill 14
- Carlisle 14
- Carroll Valley 14
- Catawissa 14
- Center City 14
- Central City 14
- Chester Heights 14
- Chesterbrook 14
- Clay 14
- Clifton Heights 14
- Collingdale 14
- Colony Park 14
- Colwyn 14
- Conemaugh 14
- Conestoga 14
- Coopersburg 14
- Cornwells Heights 14
- Cresson 14
- Croydon 14
- Dale 14
- Dallastown 14
- Danville 14
- Darby 14
- Denver 14
- Devon 14
- Dover 14
- Drexel Hill 14
- Duncansville 14
- Eagleview 14
- East Berlin 14
- East Conemaugh 14
- East Earl 14
- East Lansdowne 14
- East York 14
- Ebensburg 14
- Eddington 14
- Eddystone 14
- Elim 14
- Elysburg 14
- Emigsville 14
- Ephrata 14
- Espy 14
- Exton 14
- Fairless Hills 14
- Fairview-Ferndale 14
- Ferndale 14
- Fivepointville 14
- Flying Hills 14
- Folcroft 14
- Folsom 14
- Gallitzin 14
- Geistown 14
- Glenolden 14
- Grantley 14
- Greenfields 14
- Greenwood 14
- Grill 14
- Hallam 14
- Hanover 14
- Hastings 14
- Hollidaysburg 14
- Honey Brook 14
- Hyde Park 14
- Intercourse 14
- Jacksonwald 14
- Jacobus 14
- Kenhorst 14
- Kenilworth 14
- King of Prussia 14
- Lake Heritage 14
- Lake Meade 14
- Lakemont 14
- Lampeter 14
- Landisville 14
- Lansdowne 14
- Laureldale 14
- Leola 14
- Levittown 14
- Lincoln Park 14
- Lionville 14
- Lititz 14
- Loganville 14
- Lorane 14
- Loretto 14
- Macungie 14
- Manchester 14
- Marietta 14
- Marshallton 14
- Martinsburg 14
- Maytown 14
- McConnellsburg 14
- McConnellstown 14
- McSherrystown 14
- Mechanicsville 14
- Mercersburg 14
- Middletown 14
- Midway 14
- Millbourne 14
- Millersville 14
- Mohnton 14
- Morton 14
- Mount Joy 14
- Mount Penn 14
- Mount Pleasant 14
- Mount Wolf 14
- Mountville 14
- Muhlenberg Park 14
- Mundys Corner 14
- Nanty Glo 14
- Narberth 14
- New Oxford 14
- North York 14
- Northern Cambria 14
- Norwood 14
- Oakland 14
- Osceola Mills 14
- Parkside 14
- Parkville 14
- Patton 14
- Penfield 14
- Penn Wynne 14
- Pennside 14
- Pennsport 14
- Pennville 14
- Penryn 14
- Philadelphia 14
- Philipsburg 14
- Portage 14
- Pottstown 14
- Prospect Park 14
- Radnor 14
- Reamstown 14
- Red Lion 14
- Reiffton 14
- Reinholds 14
- Ridley Park 14
- Riverside 14
- Roaring Spring 14
- Rockledge 14
- Rothsville 14
- Royersford 14
- Saint Lawrence 14
- Salix 14
- Salunga 14
- Schoeneck 14
- Shamokin 14
- Sharon Hill 14
- Shillington 14
- Shiloh 14
- Sinking Spring 14
- South Coatesville 14
- South Pottstown 14
- Southmont 14
- Spangler 14
- Spring Grove 14
- Spring House 14
- Spring Ridge 14
- Spry 14
- State Line 14
- Steelton 14
- Stony Creek Mills 14
- Stonybrook 14
- Stowe 14
- Swarthmore 14
- Swartzville 14
- Tacony 14
- Terre Hill 14
- Thorndale 14
- Tipton 14
- Trevorton 14
- Tullytown 14
- Tyrone 14
- Valley View 14
- Village Green-Green Ridge 14
- Vinco 14
- Wayne 14
- Weigelstown 14
- Wernersville 14
- West Conshohocken 14
- West Lawn 14
- West Mifflin 14
- West Reading 14
- West Wyomissing 14
- West York 14
- Westmont 14
- Wharton 14
- Whitfield 14
- Whitman 14
- Williamsburg 14
- Willow Street 14
- Windber 14
- Windsor 14
- Woodlyn 14
- Wrightsville 14
- Wyomissing Hills 14
- Yeadon 14
- Yoe 14
- York 14
- Yorklyn 14
- Atglen 13
- Bedford 13
- Boothwyn 13
- Christiana 13
- Claysburg 13
- Clearfield 13
- Curwensville 13
- Earlston 13
- Everett 13
- Gap 13
- Glen Rock 13
- Hokendauqua 13
- Hyde 13
- Kennett Square 13
- Langhorne 13
- Linwood 13
- Montgomeryville 13
- New Freedom 13
- Oxford 13
- Paoli 13
- Paradise 13
- Parkesburg 13
- Phoenixville 13
- Quarryville 13
- Reading 13
- Shrewsbury 13
- Stewartstown 13
- Susquehanna Trails 13
- Toughkenamon 13
- Trainer 13
- Upland 13
- West Grove 13
- Bath 12
- Fort Washington 12
- Honesdale 12
- Jeannette 12
- Linglestown 12
- Media 12
- New Kingstown 12
- Bell Acres 11
- Bentleyville 11
- Lima 11
- Upper Saint Clair 11
- Yardley 11
- Boiling Springs 10
- Economy 10
- Mechanicsburg 10
- Spring City 10
- Wescosville 10
- Downingtown 9
- Elverson 9
- Glenshaw 9
- East Petersburg 8
- Malvern 8
- Milford 8
- West Chester 7
- Hellertown 6
- Doylestown 5
- Lincoln 5
AQI US, Metric