Most Polluted Cities in Bulgaria

Real-time air quality data from cities around the world Bulgaria

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Most Polluted CitiesBest Air Quality Cities

Real-time air pollution rankings for 100 cities across Bulgaria. See which cities have the highest pollution levels and worst air quality.

1

Sofia

Bulgaria

66

AQI

2

Ruse

Bulgaria

56

AQI

3

Shumen

Bulgaria

55

AQI

4

Rakovski

Bulgaria

54

AQI

5

Silistra

Bulgaria

54

AQI

6

Dimitrovgrad

Bulgaria

53

AQI

7

Tutrakan

Bulgaria

52

AQI

8

Vidin

Bulgaria

51

AQI

9

Blagoevgrad

Bulgaria

50

AQI

10

Yambol

Bulgaria

49

AQI

11

Pernik

Bulgaria

49

AQI

12

Bankya

Bulgaria

48

AQI

13

Chirpan

Bulgaria

48

AQI

14

Samokov

Bulgaria

47

AQI

15

Haskovo

Bulgaria

47

AQI

16

Vratsa

Bulgaria

46

AQI

17

Mezdra

Bulgaria

45

AQI

18

Radomir

Bulgaria

45

AQI

19

Botevgrad

Bulgaria

45

AQI

20

Lovech

Bulgaria

45

AQI

21

Momchilgrad

Bulgaria

44

AQI

22

Ihtiman

Bulgaria

44

AQI

23

Provadia

Bulgaria

44

AQI

24

Sliven

Bulgaria

44

AQI

25

Lyaskovets

Bulgaria

43

AQI

26

Dulovo

Bulgaria

42

AQI

27

Svishtov

Bulgaria

42

AQI

28

Dupnitsa

Bulgaria

42

AQI

29

Kostinbrod

Bulgaria

41

AQI

30

Novi Iskar

Bulgaria

41

AQI

31

Krumovgrad

Bulgaria

41

AQI

32

Gotse Delchev

Bulgaria

41

AQI

33

Gorna Oryahovitsa

Bulgaria

41

AQI

34

Stara Zagora

Bulgaria

41

AQI

35

Berkovitsa

Bulgaria

40

AQI

36

Lom

Bulgaria

40

AQI

37

Targovishte

Bulgaria

40

AQI

38

Veliko Tarnovo

Bulgaria

40

AQI

39

Pazardzhik

Bulgaria

40

AQI

40

Pavlikeni

Bulgaria

39

AQI

41

Parvomay

Bulgaria

39

AQI

42

Razgrad

Bulgaria

39

AQI

43

Burgas

Bulgaria

39

AQI

44

Lyubimets

Bulgaria

38

AQI

45

Svoge

Bulgaria

38

AQI

46

Karnobat

Bulgaria

38

AQI

47

Harmanli

Bulgaria

38

AQI

48

Stamboliyski

Bulgaria

37

AQI

49

Cherven Bryag

Bulgaria

37

AQI

50

Svilengrad

Bulgaria

37

AQI

51

Aytos

Bulgaria

37

AQI

52

Sevlievo

Bulgaria

37

AQI

53

Montana

Bulgaria

37

AQI

54

Kyustendil

Bulgaria

37

AQI

55

Plovdiv

Bulgaria

37

AQI

56

Galabovo

Bulgaria

36

AQI

57

Isperih

Bulgaria

36

AQI

58

Lukovit

Bulgaria

36

AQI

59

Teteven

Bulgaria

36

AQI

60

Popovo

Bulgaria

36

AQI

61

Panagyurishte

Bulgaria

36

AQI

62

Dobrich

Bulgaria

36

AQI

63

Septemvri

Bulgaria

35

AQI

64

Devnya

Bulgaria

35

AQI

65

Bansko

Bulgaria

35

AQI

66

Razlog

Bulgaria

35

AQI

67

Radnevo

Bulgaria

35

AQI

68

Novi Pazar

Bulgaria

35

AQI

69

Sandanski

Bulgaria

35

AQI

70

Pleven

Bulgaria

35

AQI

71

Beloslav

Bulgaria

34

AQI

72

Nova Zagora

Bulgaria

34

AQI

73

Asenovgrad

Bulgaria

34

AQI

74

Elhovo

Bulgaria

33

AQI

75

Kozloduy

Bulgaria

33

AQI

76

Troyan

Bulgaria

33

AQI

77

Etropole

Bulgaria

32

AQI

78

Byala Slatina

Bulgaria

32

AQI

79

Velingrad

Bulgaria

32

AQI

80

Smolyan

Bulgaria

32

AQI

81

Kardzhali

Bulgaria

32

AQI

82

Byala

Bulgaria

31

AQI

83

Veliki Preslav

Bulgaria

31

AQI

84

Knezha

Bulgaria

31

AQI

85

Rakitovo

Bulgaria

30

AQI

86

Aksakovo

Bulgaria

30

AQI

87

Karlovo

Bulgaria

30

AQI

88

Kazanlak

Bulgaria

30

AQI

89

Gabrovo

Bulgaria

30

AQI

90

Balchik

Bulgaria

29

AQI

91

Peshtera

Bulgaria

29

AQI

92

Tryavna

Bulgaria

28

AQI

93

Nesebar

Bulgaria

28

AQI

94

Pomorie

Bulgaria

28

AQI

95

Petrich

Bulgaria

28

AQI

96

Varna

Bulgaria

28

AQI

97

Sopot

Bulgaria

27

AQI

98

Sredets

Bulgaria

27

AQI

99

Kavarna

Bulgaria

27

AQI

100

Omurtag

Bulgaria

26

AQI

Understanding Air Quality Index

0-50

Good

Air quality is satisfactory, and air pollution poses little or no risk.

51-100

Moderate

Air quality is acceptable. However, there may be a risk for some people.

101-150

Unhealthy for Sensitive Groups

Members of sensitive groups may experience health effects.

151-200

Unhealthy

Everyone may begin to experience health effects.

201-300

Very Unhealthy

Health alert: everyone may experience more serious health effects.

301+

Hazardous

Health warnings of emergency conditions. The entire population is likely to be affected.

The Air Quality Index (AQI) is a scale from 0 to 500 that measures air pollution levels. Poor air quality can cause respiratory issues, cardiovascular problems, and other health concerns.

Source: US EPA Air Quality Index

Last updated: Oct 17, 2026 7:15 PM