Get a monitor and contributor to air quality data in your city.
Air Quality 
Air Monitors
Air Purifiers
For Business
News
Support
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 | Emsworth | 55 |
| 2 | Uniontown | 42 |
| 3 | Canton | 41 |
| 4 | Waynesburg | 39 |
| 5 | Coatesville | 37 |
| 6 | Farrell | 36 |
| 7 | Shippensburg | 36 |
| 8 | Charleroi | 35 |
| 9 | Johnstown | 35 |
| 10 | New Castle | 35 |
(local time)
SEE WORLD AQI RANKINGAIR QUALITY DATA CONTRIBUTORS
373 Contributors
See all
LIVE AQI CITY RANKING
Real-time Pennsylvania
Cleanest city ranking
| # | city | US AQI |
|---|---|---|
| 1 | Carnegie | 3 |
| 2 | Jeannette | 3 |
| 3 | Upper Saint Clair | 3 |
| 4 | Hellertown | 4 |
| 5 | Lincoln | 5 |
| 6 | New Stanton | 5 |
| 7 | Bear Rocks | 6 |
| 8 | Doylestown | 6 |
| 9 | Gastonville | 8 |
| 10 | Wescosville | 9 |
(local time)
SEE WORLD AQI RANKING
3D animated air pollution map
Good
Moderate
Unhealthy for sensitive groups
Unhealthy
Very unhealthy
Hazardous
News
The latest air quality news and resources.
Pennsylvania air quality data attribution
373Contributors
- 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
355 Anonymous contributors355 stations
355 Anonymous Contributors
Which is the most polluted city in Pennsylvania?
- Pocono Pines 91
- Emsworth 55
- Rockwood 44
- Uniontown 42
- Canton 41
- Conashaugh Lakes 40
- Gold Key Lake 40
- Hemlock Farms 40
- Mountainhome 40
- Saw Creek 40
- Sunrise Lake 40
- Wallenpaupack Lake Estates 40
- Penn Estates 39
- Pine Ridge 39
- Pocono Ranch Lands 39
- The Hideout 39
- Waynesburg 39
- Arlington Heights 38
- Mount Pocono 38
- Ramblewood 38
- Coatesville 37
- Emerald Lakes 37
- Stroudsburg 37
- Big Bass Lake 36
- Farrell 36
- Mount Cobb 36
- Shippensburg 36
- Sierra View 36
- Bangor 35
- Belfast 35
- Brodheadsville 35
- Charleroi 35
- Effort 35
- Factoryville 35
- Indian Mountain Lake 35
- Johnstown 35
- Mayfield 35
- Moscow 35
- New Castle 35
- Olyphant 35
- Peckville 35
- Roseto 35
- Saylorsburg 35
- Sun Valley 35
- Waymart 35
- Wind Gap 35
- Biglerville 34
- Carbondale 34
- Cherryville 34
- Eastlawn Gardens 34
- Nazareth 34
- Simpson 34
- Tatamy 34
- Taylor 34
- Towamensing Trails 34
- Youngsville 34
- Altoona 33
- Avoca 33
- Catasauqua 33
- Cementon 33
- Chester 33
- Chinchilla 33
- Coplay 33
- Duryea 33
- Egypt 33
- Fountain Hill 33
- Fullerton 33
- Hershey 33
- Kittanning 33
- Laurys Station 33
- Moosic 33
- Natrona Heights 33
- North Catasauqua 33
- Old Forge 33
- Old Orchard 33
- Palmer Heights 33
- Palmerton 33
- Slatington 33
- Stiles 33
- Walnutport 33
- Weissport East 33
- West Easton 33
- Whitehall Township 33
- Alburtis 32
- Ancient Oaks 32
- Annville 32
- Bally 32
- Breinigsville 32
- Brickerville 32
- Burgettstown 32
- Campbelltown 32
- Cetronia 32
- Clarks Summit 32
- Cleona 32
- Cornwall 32
- Dorneyville 32
- Dupont 32
- East Stroudsburg 32
- Emmaus 32
- Forest City 32
- Fredericksburg 32
- Hebron 32
- Hummelstown 32
- Jonestown 32
- Lawrence Park 32
- Lebanon South 32
- Lykens 32
- Palmdale 32
- Palmyra 32
- Paxtonia 32
- Pennsburg 32
- Penryn 32
- Perkasie 32
- Pleasant Hill 32
- Raubsville 32
- Red Hill 32
- Richlandtown 32
- Sand Hill 32
- Schnecksville 32
- Skyline View 32
- Spinnerstown 32
- Topton 32
- Tower City 32
- Trexlertown 32
- Williamstown 32
- Adamstown 31
- Akron 31
- Alleghenyville 31
- Bedminster 31
- Boyertown 31
- Bressler 31
- Brownstown 31
- Clarks Green 31
- Clay 31
- Colonial Park 31
- Colony Park 31
- Denver 31
- Dublin 31
- Enhaut 31
- Ephrata 31
- Fleetwood 31
- Gilbertsville 31
- Harleysville 31
- Hatfield 31
- Highspire 31
- Kutztown 31
- Landisville 31
- Lawnton 31
- Lincoln Park 31
- Lititz 31
- Mohnton 31
- Mount Joy 31
- Mountville 31
- Myerstown 31
- New Berlinville 31
- New Britain 31
- Newmanstown 31
- Oley 31
- Paxtang 31
- Penbrook 31
- Pine Grove 31
- Plumsteadville 31
- Progress 31
- Reamstown 31
- Reinholds 31
- Rheems 31
- Richland 31
- Rothsville 31
- Royalton 31
- Rutherford 31
- Salunga 31
- Schoeneck 31
- Sellersville 31
- Shillington 31
- Sinking Spring 31
- Souderton 31
- Spring Mount 31
- Swartzville 31
- Telford 31
- Tinicum 31
- Wernersville 31
- West Lawn 31
- West Wyomissing 31
- Whitfield 31
- Womelsdorf 31
- Woxall 31
- Wyomissing Hills 31
- Amity Gardens 30
- Bainbridge 30
- Ben Avon 30
- Birdsboro 30
- Blandon 30
- Blue Ball 30
- Bowmansville 30
- Brittany Farms-Highlands 30
- Browntown 30
- Chalfont 30
- East Earl 30
- Enola 30
- Erie 30
- Fivepointville 30
- Flying Hills 30
- Fox Chase 30
- Greenfields 30
- Grill 30
- Halfway House 30
- Hughestown 30
- Hyde Park 30
- Jacksonwald 30
- Kenhorst 30
- Kulpsville 30
- Lansdale 30
- Laureldale 30
- Leesport 30
- Lemoyne 30
- Leola 30
- Limerick 30
- Lorane 30
- Lower Allen 30
- Marietta 30
- Marysville 30
- Matamoras 30
- Maytown 30
- Millersburg 30
- Millersville 30
- Mount Penn 30
- Muhlenberg Park 30
- New Bloomfield 30
- New Cumberland 30
- North Wales 30
- Pennside 30
- Pottsgrove 30
- Reiffton 30
- River View Park 30
- Saint Lawrence 30
- Schwenksville 30
- Shoemakersville 30
- Skippack 30
- South Temple 30
- Spring Ridge 30
- Stony Creek Mills 30
- Stowe 30
- Temple 30
- Terre Hill 30
- Valley Green 30
- West Fairview 30
- West Reading 30
- White Haven 30
- Wormleysburg 30
- Wrightsville 30
- Ambler 29
- Audubon 29
- Avondale 29
- Blue Bell 29
- Bridgeport 29
- Bryn Athyn 29
- Chesterbrook 29
- Churchville 29
- Collegeville 29
- Conshohocken 29
- Devon 29
- Eagleview 29
- Eagleville 29
- Evansburg 29
- Exeter 29
- Flourtown 29
- Hallam 29
- Hamburg 29
- Hatboro 29
- Honey Brook 29
- Horsham 29
- Inkerman 29
- Intercourse 29
- Ivyland 29
- Jenkintown 29
- Kenilworth 29
- King of Prussia 29
- Laflin 29
- Lampeter 29
- Lionville 29
- Manchester 29
- Manheim 29
- Meadville 29
- Mount Wolf 29
- Nesquehoning 29
- Newtown 29
- Norristown 29
- Oreland 29
- Pottstown 29
- Radnor 29
- Richboro 29
- Royersford 29
- Sanatoga 29
- Shiremanstown 29
- South Pottstown 29
- Trappe 29
- Tremont 29
- Trooper 29
- Village Shires 29
- Warminster Heights 29
- Wayne 29
- Waynesboro 29
- Weatherly 29
- West Conshohocken 29
- West Hamburg 29
- West Norriton 29
- West Pittston 29
- Willow Grove 29
- Willow Street 29
- Wyncote 29
- Wyndmoor 29
- Allentown 28
- Ardmore 28
- Ashley 28
- Avon 28
- Bala-Cynwyd 28
- Beech Mountain Lakes 28
- Broomall 28
- Caln 28
- Coaldale 28
- Conestoga 28
- Cressona 28
- Dalton 28
- Duncannon 28
- East York 28
- Edwardsville 28
- Emigsville 28
- Exton 28
- Fairview-Ferndale 28
- Feasterville 28
- Forty Fort 28
- Freeland 28
- Gap 28
- Hilldale 28
- Hudson 28
- Kingston 28
- Lake Wynonah 28
- Langhorne Manor 28
- Lansford 28
- Larksville 28
- Marshallton 28
- Minersville 28
- Monroe 28
- Mount Lebanon 28
- Mountain Top 28
- Narberth 28
- Orwigsburg 28
- Palo Alto 28
- Paradise 28
- Penn Wynne 28
- Penndel 28
- Plains 28
- Plymouth 28
- Pottsville 28
- Rockledge 28
- Schuylkill Haven 28
- Shamokin 28
- South Coatesville 28
- Stonybrook 28
- Summit Hill 28
- Swoyersville 28
- Tamaqua 28
- Thorndale 28
- Trevorton 28
- Trevose 28
- West Wyoming 28
- Woodbourne 28
- Wyoming 28
- Yorklyn 28
- Abbottstown 27
- Almedia 27
- Ashland 27
- Berwick 27
- Catawissa 27
- Christiana 27
- Conyngham 27
- Dallastown 27
- Dillsburg 27
- Dover 27
- East Berlin 27
- East Berwick 27
- Elizabethtown 27
- Elysburg 27
- Espy 27
- Fairless Hills 27
- Frackville 27
- Girardville 27
- Glen Lyon 27
- Grantley 27
- Harleigh 27
- Hazleton 27
- Hometown 27
- Hummels Wharf 27
- Jacobus 27
- Kulpmont 27
- Lake Meade 27
- Light Street 27
- Loganville 27
- Mahanoy City 27
- McAdoo 27
- Mifflinville 27
- Millbourne 27
- Mount Carmel 27
- Nanticoke 27
- Nescopeck 27
- New Holland 27
- New Philadelphia 27
- North York 27
- Parkesburg 27
- Port Carbon 27
- Red Lion 27
- Schlusser 27
- Shamokin Dam 27
- Shanor-Northvue 27
- Shavertown 27
- Shenandoah 27
- Shenandoah Heights 27
- Shiloh 27
- Spring Grove 27
- Spry 27
- Steelton 27
- Sunbury 27
- Tacony 27
- Trucksville 27
- Valley View 27
- Weigelstown 27
- West Hazleton 27
- West York 27
- Windsor 27
- Yoe 27
- Atglen 26
- Back Mountain 26
- Beaver Falls 26
- Bonneauville 26
- Brogue 26
- Carroll Valley 26
- Center City 26
- Cornwells Heights 26
- Danville 26
- Drexel Hill 26
- East Lansdowne 26
- Eddington 26
- Franklin Park 26
- Glen Rock 26
- Hanover 26
- Lake Heritage 26
- Lansdowne 26
- McSherrystown 26
- Mechanicsville 26
- Midway 26
- Mount Holly Springs 26
- Mount Pleasant 26
- New Freedom 26
- New Oxford 26
- Parkville 26
- Pennville 26
- Prospect 26
- Quarryville 26
- Reading 26
- Riverside 26
- Rochester 26
- Shrewsbury 26
- Stewartstown 26
- Yeadon 26
- Aldan 25
- Avalon 25
- Boothwyn 25
- Bristol 25
- Brookhaven 25
- Butler 25
- Camp Hill 25
- Chester Heights 25
- Clifton Heights 25
- Collingdale 25
- Colwyn 25
- Croydon 25
- Darby 25
- Dickson City 25
- Eddystone 25
- Folcroft 25
- Folsom 25
- Freemansburg 25
- Glenolden 25
- Gordonville 25
- Green Hills 25
- Hughesville 25
- Kennett Square 25
- Levittown 25
- Linwood 25
- Morton 25
- Muncy 25
- New Columbia 25
- Norwood 25
- Oxford 25
- Parkside 25
- Pennsport 25
- Prospect Park 25
- Ridley Park 25
- Sharon Hill 25
- Susquehanna Trails 25
- Swarthmore 25
- Toughkenamon 25
- Trainer 25
- Upland 25
- Village Green-Green Ridge 25
- Watsontown 25
- Wayne Heights 25
- West Grove 25
- Wharton 25
- Whitman 25
- Woodlyn 25
- Dallas 24
- Dewart 24
- Glassport 24
- Lancaster 24
- Lewisburg 24
- Linntown 24
- Littlestown 24
- Milton 24
- Mont Alto 24
- Montgomery 24
- Selinsgrove 24
- Tullytown 24
- Aliquippa 23
- Blakely 23
- Bradford Woods 23
- Dunmore 23
- Fayetteville 23
- Gettysburg 23
- Graysville 23
- Guilford Siding 23
- Industry 23
- Jermyn 23
- Montrose 23
- New Brighton 23
- Scranton 23
- Slippery Rock 23
- State Line 23
- Throop 23
- York 23
- Beaver 22
- Brookville 22
- Clarion 22
- Columbia 22
- Faxon 22
- Greencastle 22
- Guilford 22
- Harrisburg 22
- Jessup 22
- Kenmar 22
- Knox 22
- Laporte 22
- Marianne 22
- Monaca 22
- Montoursville 22
- Pittston 22
- Tunkhannock 22
- Woodburn 22
- Baden 21
- Birchwood Lakes 21
- Brockway 21
- Chambersburg 21
- Chicora 21
- DuBois 21
- Duboistown 21
- East Petersburg 21
- Falls Creek 21
- Forest Hills 21
- Franklin 21
- Freedom 21
- Garden View 21
- Harveys Lake 21
- Hasson Heights 21
- Jim Thorpe 21
- Lenape Heights 21
- Linglestown 21
- Marcus Hook 21
- Marienville 21
- McDonald 21
- Newport 21
- Newville 21
- Oil City 21
- Punxsutawney 21
- Reynoldsville 21
- Robesonia 21
- Saint Clair 21
- Sandy 21
- Scotland 21
- Seneca 21
- Sewickley 21
- South Williamsport 21
- Sugarcreek 21
- Sykesville 21
- Tannersville 21
- Tionesta 21
- West Hills 21
- West Kittanning 21
- Whitehall 21
- Wilkes-Barre 21
- Woodland Heights 21
- Wyomissing 21
- Athens 20
- Bakerstown 20
- Bellevue 20
- Blossburg 20
- Cambridge Springs 20
- Carlisle 20
- Chevy Chase Heights 20
- Clymer 20
- Cochranton 20
- Corry 20
- Duquesne 20
- Economy 20
- Evans City 20
- Freeport 20
- Grove City 20
- Hallstead 20
- Homeacre-Lyndora 20
- Jersey Shore 20
- Lake Latonka 20
- Leechburg 20
- Mars 20
- Meadowood 20
- Mercer 20
- Meridian 20
- Middleburg 20
- Morrisville 20
- New Wilmington 20
- Nixon 20
- North Warren 20
- Oak Hills 20
- Prosperity 20
- Ridgway 20
- Sandy Lake 20
- Saxonburg 20
- Seven Fields 20
- Sharpsburg 20
- Sheffield 20
- Stoneboro 20
- Titusville 20
- Towanda 20
- Treasure Lake 20
- Troy 20
- Union City 20
- Warren 20
- West Leechburg 20
- Zelienople 20
- Allison Park 19
- Apollo 19
- Arnold 19
- Aspinwall 19
- Avis 19
- Barnesboro 19
- Big Beaver 19
- Blawnox 19
- Bloomsburg 19
- Brackenridge 19
- Cheswick 19
- Clairton 19
- Clearfield 19
- Conneaut Lakeshore 19
- Conway 19
- Cranberry Township 19
- Curtisville 19
- Curwensville 19
- Easton 19
- Edgeworth 19
- Edinboro 19
- Ellport 19
- Ellwood City 19
- Etna 19
- Fernway 19
- Fox Run 19
- Gibsonia 19
- Greenville 19
- Hastings 19
- Hermitage 19
- Homer City 19
- Honesdale 19
- Hyde 19
- Johnsonburg 19
- Kane 19
- Lebanon 19
- Lower Burrell 19
- Mansfield 19
- Mifflinburg 19
- New Beaver 19
- New Castle Northwest 19
- New Kensington 19
- New Kingstown 19
- North Apollo 19
- Northern Cambria 19
- Northumberland 19
- Oakmont 19
- Oakwood 19
- Orchard Hills 19
- Penfield 19
- Penn Hills 19
- Phoenixville 19
- Plum 19
- Reynolds Heights 19
- Russell 19
- Russellton 19
- Saint Marys 19
- Sayre 19
- South Waverly 19
- Spangler 19
- Stormstown 19
- Susquehanna 19
- Tarentum 19
- Vandergrift 19
- Verona 19
- Wellsboro 19
- West Mayfield 19
- West View 19
- Wilcox 19
- Wolfdale 19
- Ambridge 18
- Bellefonte 18
- Bessemer 18
- Black Lick 18
- Blairsville 18
- Bloomfield 18
- Bradford 18
- Brentwood 18
- Bridgeville 18
- Bryn Mawr 18
- Carnot-Moon 18
- Castanea 18
- Castle Shannon 18
- Cecil-Bishop 18
- Chester Springs 18
- Churchill 18
- Coraopolis 18
- Coudersport 18
- Crafton 18
- Dormont 18
- Dravosburg 18
- Dresher 18
- Dunnstown 18
- East McKeesport 18
- East Pittsburgh 18
- Ebensburg 18
- Edgewood 18
- Elkland 18
- Emporium 18
- Enlow 18
- Flemington 18
- Foster Brook 18
- Fox Chapel 18
- Galeton 18
- Georgetown 18
- Glenside 18
- Green Tree 18
- Heidelberg 18
- Houston 18
- Imperial 18
- Ingram 18
- Leetsdale 18
- Lehighton 18
- Level Green 18
- Lock Haven 18
- Macungie 18
- McKees Rocks 18
- Mercersburg 18
- Midland 18
- Milesburg 18
- Mill Hall 18
- Millvale 18
- Mount Oliver 18
- Mundys Corner 18
- Munhall 18
- Murrysville 18
- Muse 18
- Nanty Glo 18
- North Braddock 18
- North East 18
- North Versailles 18
- Northampton 18
- Northwest Harborcreek 18
- Oakdale 18
- Ohioville 18
- Osceola Mills 18
- Patton 18
- Philadelphia 18
- Philipsburg 18
- Pitcairn 18
- Pleasant Hills 18
- Plymouth Meeting 18
- Port Allegany 18
- Pymatuning Central 18
- Rankin 18
- Rennerdale 18
- Renovo 18
- Sharon 18
- Sharpsville 18
- Shinglehouse 18
- Smethport 18
- Springdale 18
- Strasburg 18
- Sturgeon 18
- Swissvale 18
- Thompsonville 18
- Turtle Creek 18
- Vinco 18
- Wesleyville 18
- West Homestead 18
- Westfield 18
- Whitaker 18
- Williamsport 18
- Wilmerding 18
- Albion 17
- Archbald 17
- Avonia 17
- Baidland 17
- Bath 17
- Beaverdale 17
- Belle Vernon 17
- Bellwood 17
- Belmont 17
- Bethel Park 17
- Bethlehem 17
- Boalsburg 17
- Central City 17
- Centre Hall 17
- Claysburg 17
- Conemaugh 17
- Cresson 17
- Dale 17
- Davidsville 17
- Delmont 17
- Derry 17
- Duncansville 17
- East Conemaugh 17
- East Greenville 17
- East Washington 17
- Elim 17
- Elizabethville 17
- Fairview 17
- Ferndale 17
- Gallitzin 17
- Geistown 17
- Girard 17
- Greenock 17
- Greensburg 17
- Greenwood 17
- Hawley 17
- Hollidaysburg 17
- Houserville 17
- Irwin 17
- Jerome 17
- Lake City 17
- Lakemont 17
- Lemont 17
- Liberty 17
- Loretto 17
- Manor 17
- Maple Glen 17
- McGovern 17
- McMurray 17
- Middletown 17
- Monongahela 17
- New Eagle 17
- Oakland 17
- Park Forest Village 17
- Pleasant Gap 17
- Port Vue 17
- Portage 17
- Quakertown 17
- Salix 17
- South Park Township 17
- Southmont 17
- Spring House 17
- Tipton 17
- Toftrees 17
- Trafford 17
- Tyrone 17
- Versailles 17
- Waterford 17
- Westmont 17
- White Oak 17
- Wilson 17
- Windber 17
- Woodside 17
- Zion 17
- Baldwin 16
- Bedford 16
- Boswell 16
- Braddock 16
- Calumet 16
- Coopersburg 16
- Donora 16
- Earlston 16
- East Bangor 16
- Elverson 16
- Everett 16
- Fairhope 16
- Fellsburg 16
- Ford City 16
- Friedens 16
- Huntingdon 16
- Langhorne 16
- Latrobe 16
- Loyalhanna 16
- Lynnwood-Pricedale 16
- Martinsburg 16
- McConnellsburg 16
- McConnellstown 16
- Monessen 16
- Monroeville 16
- North Belle Vernon 16
- North Charleroi 16
- Paoli 16
- Pen Argyl 16
- Pine Grove Mills 16
- Pittsburgh 16
- Roaring Spring 16
- Somerset 16
- South Greensburg 16
- Southwest Greensburg 16
- Speers 16
- Washington 16
- Wickerham Manor-Fisher 16
- Williamsburg 16
- Youngwood 16
- Belleville 15
- Berlin 15
- Berwyn 15
- Boiling Springs 15
- Braddock Hills 15
- Brownsville 15
- Burnham 15
- California 15
- Centerville 15
- Church Hill 15
- Connellsville 15
- Downingtown 15
- Highland Park 15
- Hiller 15
- Hokendauqua 15
- Indiana 15
- Lewistown 15
- Luzerne 15
- Media 15
- Meyersdale 15
- Mifflintown 15
- Milroy 15
- Montgomeryville 15
- Mount Union 15
- New Hope 15
- Newtown Grant 15
- Perryopolis 15
- Republic 15
- Scottdale 15
- South Connellsville 15
- Yardley 15
- Yeagertown 15
- Dunbar 14
- East Uniontown 14
- Fairchance 14
- Fairdale 14
- Hopwood 14
- Leith-Hatfield 14
- Masontown 14
- Mechanicsburg 14
- Oliver 14
- Point Marion 14
- South Uniontown 14
- Spring City 14
- Bell Acres 13
- Malvern 13
- State College 13
- Wilkinsburg 13
- Collinsburg 12
- Fort Washington 12
- Furlong 12
- Homestead 12
- Lawson Heights 12
- Lima 12
- Springfield 12
- Bentleyville 11
- Canonsburg 11
- McKeesport 11
- Milford 11
- West Newton 11
- Donegal 10
- Elizabeth 10
- Glenshaw 10
- Jefferson Hills 10
- Ligonier 10
- West Chester 10
- Wescosville 9
- West Mifflin 9
- Gastonville 8
- Bear Rocks 6
- Doylestown 6
- Lincoln 5
- New Stanton 5
- Hellertown 4
- Carnegie 3
- Jeannette 3
- Upper Saint Clair 3
AQI US, Metric