Worst Air Quality in Pennsylvania

Top 100 cities ranked by worst air quality

Best Pennsylvania Cities

Composite rankings combining multiple weighted metrics — 4 topics from climate and air quality data.

Best Climate Cities

Warm temperatures, plenty of sunshine and clean air.

Cleanest Air Cities

Lowest pollution levels for healthy outdoor living.

Sunniest Cities

Most days of sunshine per year, with warm and dry climate.

Most Urban Cities

Densely populated city centers with the largest urban footprints.

Population & Density

Largest Cities Smallest Cities Most Dense Least Dense

Economy

Highest Income Lowest Income Lowest Unemployment Highest Unemployment Lowest Poverty Highest Poverty Highest Wages Cheapest Cost of Living

Housing

Highest Home Value Most Affordable Highest Rent Lowest Rent Highest Homeownership Newest Housing Lowest Property Tax

Demographics & Education

Most Educated Best Schools Most Graduate Degrees Youngest Cities Oldest Cities Most Veterans

Health & Safety

Safest Cities Highest Crime Healthiest Cities Lowest Smoking Best Doctor Access Best Dental Access

Climate & Air

Warmest Cities Coldest Cities Rainiest Cities Driest Cities Sunniest Cities Snowiest Cities Cleanest Air Worst Air Quality

Quality of Life

Shortest Commute Most Work From Home

Civic & Politics

Most Republican Most Democratic Most Disasters

Geography & Infrastructure

Highest Elevation Best Broadband Most EV Stations Most Libraries Most Restaurants

All Countries · United States · Pennsylvania

Worst Air Quality — Pennsylvania

1 Philadelphia AQI 52

2 Lancaster AQI 50

3 York AQI 44

4 Washington AQI 44

5 Lebanon AQI 43

6 Chester AQI 41

7 Gilbertsville AQI 40

8 Carnegie AQI 40

9 Latrobe AQI 40

10 Glenside AQI 40

11 Gettysburg AQI 40

12 Grove City AQI 40

13 Palmyra AQI 40

14 Ancient Oaks AQI 40

15 Middletown AQI 40

16 Pittston AQI 40

17 Lower Allen AQI 40

18 Ellwood City AQI 40

19 Blandon AQI 40

20 New Cumberland AQI 40

21 White Oak AQI 40

22 DuBois AQI 40

23 Archbald AQI 40

24 Elkins Park AQI 40

25 Ridley Park AQI 40

26 Souderton AQI 40

27 Glenolden AQI 40

28 Wescosville AQI 40

29 Lionville AQI 40

30 Richboro AQI 40

31 Plymouth Meeting AQI 40

32 Rutherford AQI 40

33 Natrona Heights AQI 40

34 Tamaqua AQI 40

35 Connellsville AQI 40

36 Ambridge AQI 40

37 Wayne AQI 40

38 Shamokin AQI 40

39 Huntingdon AQI 40

40 Maple Glen AQI 40

41 Arlington Heights AQI 40

42 Monessen AQI 40

43 Ambler AQI 40

44 Clifton Heights AQI 40

45 Chestnut Hill AQI 40

46 Folcroft AQI 40

47 Linglestown AQI 40

48 Oakmont AQI 40

49 Blakely AQI 40

50 Homeacre-Lyndora AQI 40

51 Milton AQI 40

52 West View AQI 40

53 Swarthmore AQI 40

54 Red Lion AQI 40

55 Catasauqua AQI 40

56 Blue Bell AQI 40

57 Prospect Park AQI 40

58 Forest Hills AQI 40

59 Steelton AQI 40

60 Taylor AQI 40

61 Penn Wynne AQI 40

62 South Williamsport AQI 40

63 Exton AQI 40

64 Corry AQI 40

65 Churchville AQI 40

66 Paoli AQI 40

67 Hellertown AQI 40

68 Clairton AQI 40

69 Fort Washington AQI 40

70 Kennett Square AQI 40

71 Newtown Grant AQI 40

72 Oreland AQI 40

73 Shanor-Northvue AQI 40

74 Shillington AQI 40

75 Sayre AQI 40

76 Chesterbrook AQI 40

77 Tyrone AQI 40

78 Trooper AQI 40

79 Pennside AQI 40

80 Olyphant AQI 40

81 Whitfield AQI 40

82 Edinboro AQI 40

83 Lehighton AQI 40

84 Fox Chapel AQI 40

85 Lewisburg AQI 40

86 Schuylkill Haven AQI 40

87 Titusville AQI 40

88 Collegeville AQI 40

89 Duquesne AQI 40

90 Spring House AQI 40

91 New Freedom AQI 40

92 Swoyersville AQI 40

93 Vandergrift AQI 40

94 Manheim AQI 40

95 Turtle Creek AQI 40

96 California AQI 40

97 Duryea AQI 40

98 Clarks Summit AQI 40

99 West Hazleton AQI 40

100 Boothwyn AQI 40

Explore the top 100 cities ranked by worst air quality in Pennsylvania.

City rankings help residents, researchers, and policymakers understand how communities compare across important quality-of-life measures.

Data is sourced from the U.S. Census Bureau, FBI Crime Statistics, and NOAA climate records.

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