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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 | Glassport | 39 |
| 3 | Charleroi | 38 |
| 4 | Ford City | 38 |
| 5 | Canton | 37 |
| 6 | Erie | 37 |
| 7 | Farrell | 36 |
| 8 | Waynesburg | 36 |
| 9 | Greensburg | 33 |
| 10 | Monroe | 33 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
358 Contributors
See all
LIVE AQI CITY RANKING
Real-time Pennsylvania
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Lincoln | 4 |
| 2 | Doylestown | 6 |
| 3 | Hellertown | 6 |
| 4 | West Chester | 7 |
| 5 | Downingtown | 8 |
| 6 | East Petersburg | 8 |
| 7 | Fort Washington | 8 |
| 8 | Malvern | 8 |
| 9 | Elverson | 9 |
| 10 | Lima | 9 |
(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
358Contributors
- 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
340 Anonymous contributors340 stations
340 Anonymous Contributors
Which is the most polluted city in Pennsylvania?
- Carnegie 55
- Bryn Mawr 47
- Cecil-Bishop 47
- Georgetown 47
- McGovern 47
- Midland 47
- Muse 47
- Ohioville 47
- Thompsonville 47
- Ambridge 46
- Baidland 46
- Bessemer 46
- Bethel Park 46
- Big Beaver 46
- Bridgeville 46
- Carnot-Moon 46
- Castle Shannon 46
- Centerville 46
- Conway 46
- Crafton 46
- Dormont 46
- East Washington 46
- Enlow 46
- Heidelberg 46
- Imperial 46
- Ingram 46
- Leetsdale 46
- Luzerne 46
- Monongahela 46
- New Eagle 46
- North Charleroi 46
- Oakdale 46
- Pleasant Hills 46
- Rennerdale 46
- South Park Township 46
- Sturgeon 46
- Wickerham Manor-Fisher 46
- Brentwood 45
- Brownsville 45
- California 45
- Donora 45
- Fairdale 45
- Fairhope 45
- Green Tree 45
- Hiller 45
- Liberty 45
- Lynnwood-Pricedale 45
- McKees Rocks 45
- Millvale 45
- Mount Oliver 45
- New Beaver 45
- North Belle Vernon 45
- Port Vue 45
- Speers 45
- West Homestead 45
- West Mayfield 45
- West View 45
- Wilson 45
- Bloomfield 44
- Dravosburg 44
- Fellsburg 44
- Gibsonia 44
- Masontown 44
- Munhall 44
- Republic 44
- Versailles 44
- Edgewood 43
- Ellwood City 43
- Etna 43
- Point Marion 43
- Rankin 43
- Whitaker 43
- Aspinwall 42
- Cranberry Township 42
- Ellport 42
- Fernway 42
- Greenock 42
- Perryopolis 42
- Sharon 42
- Allison Park 41
- East Pittsburgh 41
- Fairchance 41
- Leith-Hatfield 41
- New Castle Northwest 41
- North Braddock 41
- Oakwood 41
- Sharpsville 41
- White Oak 41
- Fox Run 40
- Hermitage 40
- Hopwood 40
- Oliver 40
- South Uniontown 40
- Uniontown 40
- Churchill 39
- East McKeesport 39
- East Uniontown 39
- Glassport 39
- New Wilmington 39
- North Versailles 39
- Seven Fields 39
- Turtle Creek 39
- Zelienople 39
- Charleroi 38
- Connellsville 38
- Dunbar 38
- Ford City 38
- Irwin 38
- Sandy Lake 38
- South Connellsville 38
- Canton 37
- Erie 37
- Evans City 37
- Mars 37
- Scottdale 37
- Wilmerding 37
- Blawnox 36
- Farrell 36
- Greenville 36
- Ramblewood 36
- Reynolds Heights 36
- Rockwood 36
- Waynesburg 36
- Wilcox 36
- Bakerstown 35
- Mercer 35
- Penn Hills 35
- Pitcairn 35
- Verona 35
- Youngwood 35
- Cheswick 34
- Curtisville 34
- Level Green 34
- Manor 34
- Montoursville 34
- Oakmont 34
- Pymatuning Central 34
- Russellton 34
- Arnold 33
- Greensburg 33
- Grove City 33
- Lake Latonka 33
- Lower Burrell 33
- Monroe 33
- New Kensington 33
- Peckville 33
- Plum 33
- Tarentum 33
- Brackenridge 32
- Burgettstown 32
- Houston 32
- Kittanning 32
- Meridian 32
- Natrona Heights 32
- Nixon 32
- South Greensburg 32
- Southwest Greensburg 32
- Towamensing Trails 32
- Tunkhannock 32
- York 32
- Calumet 31
- Coatesville 31
- Conneaut Lakeshore 31
- Emerald Lakes 31
- Emsworth 31
- Indian Mountain Lake 31
- Johnstown 31
- Montrose 31
- Oak Hills 31
- Pocono Pines 31
- Sierra View 31
- Stoneboro 31
- White Haven 31
- Beech Mountain Lakes 30
- Brogue 30
- Browntown 30
- Delmont 30
- Dupont 30
- Duquesne 30
- East Stroudsburg 30
- Freeland 30
- Gordonville 30
- Laflin 30
- Mount Pocono 30
- Mountain Top 30
- Sun Valley 30
- Weatherly 30
- Altoona 29
- Ashley 29
- Avoca 29
- Back Mountain 29
- Berwick 29
- Big Bass Lake 29
- Conyngham 29
- Duryea 29
- East Berwick 29
- Edwardsville 29
- Exeter 29
- Forest Hills 29
- Forty Fort 29
- Glen Lyon 29
- Green Hills 29
- Harleigh 29
- Hazleton 29
- Hershey 29
- Hilldale 29
- Hudson 29
- Hughestown 29
- Hughesville 29
- Inkerman 29
- Kenmar 29
- Kingston 29
- Kutztown 29
- Laporte 29
- Larksville 29
- Lebanon 29
- Meadowood 29
- Moosic 29
- Muncy 29
- Nanticoke 29
- Nescopeck 29
- Nesquehoning 29
- Old Forge 29
- Plains 29
- Plymouth 29
- Reading 29
- Shavertown 29
- Swoyersville 29
- Taylor 29
- Trucksville 29
- West Hazleton 29
- West Pittston 29
- West Wyoming 29
- Wyoming 29
- Aliquippa 28
- Allentown 28
- Belle Vernon 28
- Chinchilla 28
- Clarks Green 28
- Clarks Summit 28
- Coraopolis 28
- Dalton 28
- Duboistown 28
- Effort 28
- Faxon 28
- Franklin Park 28
- Freeport 28
- Homeacre-Lyndora 28
- McAdoo 28
- Mifflinville 28
- Montgomery 28
- Moscow 28
- Mount Lebanon 28
- Olyphant 28
- Sewickley 28
- South Williamsport 28
- Swissvale 28
- West Newton 28
- Woodburn 28
- Almedia 27
- Avondale 27
- Bellevue 27
- Ben Avon 27
- Biglerville 27
- Clairton 27
- Coaldale 27
- Espy 27
- Industry 27
- Lansford 27
- Light Street 27
- Mayfield 27
- McDonald 27
- McMurray 27
- Mount Cobb 27
- Mountainhome 27
- Rochester 27
- Saxonburg 27
- Summit Hill 27
- Weissport East 27
- Baldwin 26
- Beaver 26
- Beaver Falls 26
- Blossburg 26
- Brodheadsville 26
- Carbondale 26
- Catawissa 26
- Chicora 26
- Dewart 26
- Galeton 26
- Graysville 26
- Hemlock Farms 26
- Hometown 26
- Mansfield 26
- New Brighton 26
- Penn Estates 26
- Plymouth Meeting 26
- Renovo 26
- Shippensburg 26
- Simpson 26
- Tamaqua 26
- The Hideout 26
- Troy 26
- Wallenpaupack Lake Estates 26
- Waterford 26
- Watsontown 26
- Wellsboro 26
- West Leechburg 26
- Westfield 26
- Apollo 25
- Bristol 25
- Conashaugh Lakes 25
- Coudersport 25
- Danville 25
- Elkland 25
- Forest City 25
- Frackville 25
- Freemansburg 25
- Girardville 25
- Gold Key Lake 25
- Leechburg 25
- Mahanoy City 25
- Mechanicsville 25
- New Columbia 25
- North Apollo 25
- Orchard Hills 25
- Palmerton 25
- Prosperity 25
- Riverside 25
- Sharpsburg 25
- Shenandoah 25
- Shenandoah Heights 25
- Slippery Rock 25
- Sunrise Lake 25
- Towanda 25
- Vandergrift 25
- Waymart 25
- Wolfdale 25
- Arlington Heights 24
- Ashland 24
- Avalon 24
- Avis 24
- Baden 24
- Braddock 24
- Braddock Hills 24
- Bradford Woods 24
- Cochranton 24
- Collinsburg 24
- Edgeworth 24
- Elizabeth 24
- Elysburg 24
- Emporium 24
- Freedom 24
- Garden View 24
- Harveys Lake 24
- Latrobe 24
- Monaca 24
- Mount Carmel 24
- New Castle 24
- New Philadelphia 24
- Pittsburgh 24
- Pocono Ranch Lands 24
- Saw Creek 24
- Shinglehouse 24
- Washington 24
- Albion 23
- Athens 23
- Bath 23
- Butler 23
- Castanea 23
- Dunnstown 23
- Fairview-Ferndale 23
- Flemington 23
- Franklin 23
- Hummels Wharf 23
- Jefferson Hills 23
- Jersey Shore 23
- Kulpmont 23
- Lenape Heights 23
- Linntown 23
- Lock Haven 23
- Loyalhanna 23
- Marshallton 23
- Milesburg 23
- Mill Hall 23
- Minersville 23
- Murrysville 23
- Palo Alto 23
- Pine Ridge 23
- Port Allegany 23
- Port Carbon 23
- Pottsville 23
- Saylorsburg 23
- Sayre 23
- Shamokin 23
- Shamokin Dam 23
- Shanor-Northvue 23
- Smethport 23
- South Waverly 23
- Stroudsburg 23
- Sugarcreek 23
- Sunbury 23
- Trafford 23
- West Hills 23
- West Kittanning 23
- Avonia 22
- Bellefonte 22
- Bradford 22
- Cambridge Springs 22
- Clearfield 22
- Corry 22
- Derry 22
- Edinboro 22
- Fairview 22
- Foster Brook 22
- Fox Chapel 22
- Girard 22
- Hasson Heights 22
- Johnsonburg 22
- Kane 22
- Knox 22
- Lake City 22
- Marianne 22
- McKeesport 22
- Mifflinburg 22
- Monroeville 22
- North East 22
- North Warren 22
- Northwest Harborcreek 22
- Oil City 22
- Orwigsburg 22
- Philipsburg 22
- Pleasant Gap 22
- Ridgway 22
- Russell 22
- Saint Marys 22
- Schuylkill Haven 22
- Seneca 22
- Sheffield 22
- Susquehanna 22
- Tionesta 22
- Trevorton 22
- Union City 22
- Walnutport 22
- Warren 22
- Wesleyville 22
- Woodland Heights 22
- Zion 22
- Boalsburg 21
- Brockway 21
- Brookville 21
- Canonsburg 21
- Centre Hall 21
- Cherryville 21
- Clarion 21
- Columbia 21
- Cressona 21
- Curwensville 21
- Dallas 21
- Dickson City 21
- DuBois 21
- Falls Creek 21
- Houserville 21
- Hyde 21
- Jessup 21
- Lake Wynonah 21
- Lemont 21
- Marienville 21
- Meadville 21
- Middleburg 21
- Milroy 21
- Osceola Mills 21
- Park Forest Village 21
- Penfield 21
- Pine Grove Mills 21
- Punxsutawney 21
- Reynoldsville 21
- Roseto 21
- Sandy 21
- Slatington 21
- Somerset 21
- Sykesville 21
- Titusville 21
- Toftrees 21
- Treasure Lake 21
- Tremont 21
- Woodside 21
- Youngsville 21
- Archbald 20
- Bangor 20
- Barnesboro 20
- Bellwood 20
- Black Lick 20
- Blairsville 20
- Blakely 20
- Boswell 20
- Burnham 20
- Chevy Chase Heights 20
- Church Hill 20
- Clymer 20
- Dunmore 20
- Factoryville 20
- Friedens 20
- Gastonville 20
- Greenwood 20
- Hastings 20
- Homer City 20
- Honesdale 20
- Jermyn 20
- Manheim 20
- Meyersdale 20
- Monessen 20
- Morrisville 20
- New Hope 20
- Patton 20
- Pine Grove 20
- Prospect 20
- Robesonia 20
- Spangler 20
- Tipton 20
- Tower City 20
- Tyrone 20
- Wilkinsburg 20
- Wind Gap 20
- Yeagertown 20
- Beaverdale 19
- Belfast 19
- Belleville 19
- Belmont 19
- Berlin 19
- Central City 19
- Claysburg 19
- Conemaugh 19
- Cresson 19
- Dale 19
- Davidsville 19
- Duncansville 19
- East Conemaugh 19
- East Greenville 19
- Eastlawn Gardens 19
- Ebensburg 19
- Elim 19
- Ferndale 19
- Gallitzin 19
- Geistown 19
- Hallstead 19
- Highland Park 19
- Hollidaysburg 19
- Homestead 19
- Jerome 19
- Lakemont 19
- Lancaster 19
- Laurys Station 19
- Lewistown 19
- Loretto 19
- Lykens 19
- Mundys Corner 19
- Nanty Glo 19
- Nazareth 19
- New Holland 19
- New Stanton 19
- Newtown Grant 19
- Northern Cambria 19
- Oakland 19
- Pittston 19
- Portage 19
- Roaring Spring 19
- Saint Clair 19
- Salix 19
- Schnecksville 19
- Scranton 19
- Southmont 19
- Springfield 19
- Tannersville 19
- Tatamy 19
- Throop 19
- Vinco 19
- Waynesboro 19
- Westmont 19
- Whitehall 19
- Williamsburg 19
- Williamsport 19
- Williamstown 19
- Windber 19
- Avon 18
- Bedford 18
- Birchwood Lakes 18
- Bloomsburg 18
- Catasauqua 18
- Cementon 18
- Cetronia 18
- Coplay 18
- Donegal 18
- Egypt 18
- Fredericksburg 18
- Fullerton 18
- Hamburg 18
- Indiana 18
- Lawson Heights 18
- Martinsburg 18
- Matamoras 18
- McConnellstown 18
- Mifflintown 18
- Millersburg 18
- New Bloomfield 18
- North Catasauqua 18
- Old Orchard 18
- Palmer Heights 18
- Raubsville 18
- Shoemakersville 18
- Springdale 18
- Stiles 18
- West Easton 18
- West Hamburg 18
- Whitehall Township 18
- Alburtis 17
- Ancient Oaks 17
- Bedminster 17
- Breinigsville 17
- Colonial Park 17
- Dorneyville 17
- Dublin 17
- Duncannon 17
- Emmaus 17
- Fleetwood 17
- Fountain Hill 17
- Glenside 17
- Jim Thorpe 17
- Jonestown 17
- Lawrence Park 17
- Leesport 17
- Lewisburg 17
- Ligonier 17
- Littlestown 17
- Maple Glen 17
- Marysville 17
- Milton 17
- Newport 17
- Paxtonia 17
- Perkasie 17
- Plumsteadville 17
- Richlandtown 17
- Skyline View 17
- Spinnerstown 17
- Stormstown 17
- Tinicum 17
- Topton 17
- Trexlertown 17
- Wilkes-Barre 17
- Wyomissing 17
- Annville 16
- Bally 16
- Bear Rocks 16
- Blandon 16
- Bressler 16
- Campbelltown 16
- Carroll Valley 16
- Chalfont 16
- Chambersburg 16
- Cleona 16
- Dillsburg 16
- Dresher 16
- Earlston 16
- Easton 16
- Elizabethtown 16
- Elizabethville 16
- Enhaut 16
- Enola 16
- Everett 16
- Fayetteville 16
- Fox Chase 16
- Greencastle 16
- Guilford 16
- Guilford Siding 16
- Hebron 16
- Highspire 16
- Hummelstown 16
- Huntingdon 16
- Lake Heritage 16
- Lake Meade 16
- Lawnton 16
- Lebanon South 16
- Lehighton 16
- Lemoyne 16
- Lower Allen 16
- Marcus Hook 16
- McConnellsburg 16
- Mercersburg 16
- Mont Alto 16
- Mount Holly Springs 16
- Mount Union 16
- Myerstown 16
- New Britain 16
- New Cumberland 16
- Newville 16
- Northumberland 16
- Palmdale 16
- Palmyra 16
- Paoli 16
- Paxtang 16
- Penbrook 16
- Pennsburg 16
- Pleasant Hill 16
- Progress 16
- Quakertown 16
- Red Hill 16
- Richland 16
- River View Park 16
- Rutherford 16
- Sand Hill 16
- Scotland 16
- Selinsgrove 16
- Sellersville 16
- Shiremanstown 16
- Souderton 16
- South Temple 16
- Strasburg 16
- Telford 16
- Temple 16
- Wayne Heights 16
- West Fairview 16
- Womelsdorf 16
- Wormleysburg 16
- Abbottstown 15
- Adamstown 15
- Alleghenyville 15
- Ambler 15
- Amity Gardens 15
- Audubon 15
- Bethlehem 15
- Birdsboro 15
- Blue Bell 15
- Bonneauville 15
- Bowmansville 15
- Boyertown 15
- Brickerville 15
- Bridgeport 15
- Brittany Farms-Highlands 15
- Bryn Athyn 15
- Chester Springs 15
- Churchville 15
- Clay 15
- Collegeville 15
- Colony Park 15
- Conshohocken 15
- Coopersburg 15
- Cornwall 15
- Denver 15
- Eagleville 15
- East Bangor 15
- East Berlin 15
- Evansburg 15
- Feasterville 15
- Fivepointville 15
- Flourtown 15
- Flying Hills 15
- Gettysburg 15
- Gilbertsville 15
- Greenfields 15
- Grill 15
- Halfway House 15
- Hanover 15
- Harleysville 15
- Hatboro 15
- Hatfield 15
- Hawley 15
- Hokendauqua 15
- Horsham 15
- Hyde Park 15
- Ivyland 15
- Jacksonwald 15
- Kenhorst 15
- Kenilworth 15
- Kulpsville 15
- Langhorne 15
- Lansdale 15
- Laureldale 15
- Limerick 15
- Lincoln Park 15
- Lorane 15
- McSherrystown 15
- Midway 15
- Mohnton 15
- Mount Penn 15
- Mount Pleasant 15
- Muhlenberg Park 15
- New Berlinville 15
- New Oxford 15
- Newmanstown 15
- Newtown 15
- Norristown 15
- North Wales 15
- Northampton 15
- Oley 15
- Oreland 15
- Parkville 15
- Pen Argyl 15
- Pennside 15
- Pennville 15
- Penryn 15
- Philadelphia 15
- Phoenixville 15
- Pottsgrove 15
- Pottstown 15
- Reamstown 15
- Reiffton 15
- Reinholds 15
- Richboro 15
- Royalton 15
- Royersford 15
- Saint Lawrence 15
- Sanatoga 15
- Schlusser 15
- Schoeneck 15
- Schwenksville 15
- Shillington 15
- Sinking Spring 15
- Skippack 15
- South Pottstown 15
- Spring House 15
- Spring Mount 15
- Spring Ridge 15
- State Line 15
- Stony Creek Mills 15
- Stowe 15
- Swartzville 15
- Trappe 15
- Trooper 15
- Valley Green 15
- Village Shires 15
- Warminster Heights 15
- Wernersville 15
- West Lawn 15
- West Mifflin 15
- West Norriton 15
- West Reading 15
- West Wyomissing 15
- Whitfield 15
- Willow Grove 15
- Woxall 15
- Wyncote 15
- Wyndmoor 15
- Wyomissing Hills 15
- Akron 14
- Ardmore 14
- Bainbridge 14
- Bala-Cynwyd 14
- Blue Ball 14
- Brownstown 14
- Chester 14
- Chesterbrook 14
- Devon 14
- Dover 14
- Eagleview 14
- East Earl 14
- Ephrata 14
- Exton 14
- Fairless Hills 14
- Harrisburg 14
- Honey Brook 14
- Jenkintown 14
- King of Prussia 14
- Langhorne Manor 14
- Lionville 14
- Lititz 14
- Manchester 14
- Middletown 14
- Mount Wolf 14
- Narberth 14
- Penndel 14
- Radnor 14
- Rheems 14
- Rockledge 14
- Rothsville 14
- Shiloh 14
- Spring Grove 14
- Steelton 14
- Terre Hill 14
- Trevose 14
- Wayne 14
- Weigelstown 14
- West Conshohocken 14
- Woodbourne 14
- Yardley 14
- Berwyn 13
- Broomall 13
- Caln 13
- Camp Hill 13
- Carlisle 13
- Center City 13
- Cornwells Heights 13
- Drexel Hill 13
- East Lansdowne 13
- East York 13
- Eddington 13
- Emigsville 13
- Grantley 13
- Intercourse 13
- Jeannette 13
- Landisville 13
- Lansdowne 13
- Leola 13
- Levittown 13
- Macungie 13
- Marietta 13
- Maytown 13
- Media 13
- Millbourne 13
- Mount Joy 13
- New Freedom 13
- New Kingstown 13
- North York 13
- Penn Wynne 13
- Salunga 13
- Tacony 13
- Thorndale 13
- Tullytown 13
- Valley View 13
- West York 13
- Yeadon 13
- Yorklyn 13
- Aldan 12
- Atglen 12
- Boothwyn 12
- Brookhaven 12
- Chester Heights 12
- Christiana 12
- Clifton Heights 12
- Collingdale 12
- Colwyn 12
- Conestoga 12
- Croydon 12
- Dallastown 12
- Darby 12
- Eddystone 12
- Folcroft 12
- Folsom 12
- Furlong 12
- Gap 12
- Glen Rock 12
- Glenolden 12
- Hallam 12
- Jacobus 12
- Kennett Square 12
- Lampeter 12
- Linglestown 12
- Linwood 12
- Loganville 12
- Millersville 12
- Montgomeryville 12
- Morton 12
- Mountville 12
- Norwood 12
- Paradise 12
- Parkesburg 12
- Parkside 12
- Pennsport 12
- Prospect Park 12
- Red Lion 12
- Ridley Park 12
- Sharon Hill 12
- Shrewsbury 12
- South Coatesville 12
- Spry 12
- State College 12
- Stonybrook 12
- Swarthmore 12
- Toughkenamon 12
- Trainer 12
- Upland 12
- Upper Saint Clair 12
- Village Green-Green Ridge 12
- Wescosville 12
- West Grove 12
- Wharton 12
- Whitman 12
- Willow Street 12
- Windsor 12
- Woodlyn 12
- Wrightsville 12
- Yoe 12
- Bell Acres 11
- Bentleyville 11
- Oxford 11
- Quarryville 11
- Spring City 11
- Stewartstown 11
- Susquehanna Trails 11
- Boiling Springs 10
- Economy 10
- Mechanicsburg 10
- Elverson 9
- Glenshaw 9
- Lima 9
- Milford 9
- Downingtown 8
- East Petersburg 8
- Fort Washington 8
- Malvern 8
- West Chester 7
- Doylestown 6
- Hellertown 6
- Lincoln 4
AQI US, Metric