Sofia, Sofia Grad, Bulgaria Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Sofia, Sofia Grad, Bulgaria
AQI Trends: Highest and Lowest
Same Day Analysis (12th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 27 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 11th Jul - 12th Jul 2026
Sofia, Sofia Grad, Bulgaria
5 AM11th Jul 2026
9 PM
4 AM12th Jul 2026
20AQI
12AQI
25AQI
16AQI
In the last 24 hours,
Sofia's AQI reached its highest point of 25 at 1 AM during the Night, while the lowest point, 12, was recorded at 7 PM during the Day between 11th Jul and 12th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Sofia, Sofia Grad, Bulgaria
14°C6/20°C
16°C9/25°C
19°C11/27°C
18°C11/25°C
18°C11/25°C
18°C11/24°C
18°C12/24°C
19°C11/26°C
21°C13/28°C
21°C14/28°C
20°C14/27°C
19°C14/23°C
20°C13/28°C
22°C15/29°C
22°C15/29°C
22°C14/29°C
23°C14/32°C
23°C16/32°C
21°C15/30°C
20°C13/27°C
19°C14/25°C
18°C12/25°C
17°C10/23°C
18°C11/24°C
19°C11/26°C
20°C13/29°C
18°C12/25°C
18°C10/25°C
20°C11/29°C
20°C14/30°C
29AQI
18AQI
28AQI
20AQI
2026 Days Vs Air Quality
Sofia, Sofia Grad, Bulgaria
62%
118
37%
71
0.5%
1
Total number of days with different AQI categories in last 193 days in 2026 (172 days remaining)
Under WHO’s Safe Air Quality Limits: 62%
Health Risk Level:
Moderate
In 2026, 62% of 193 days were within WHO’s safe air quality limits, and 38% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Sofia, Sofia Grad, Bulgaria
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
42AQI (US)
76AQI (US)
39AQI (US)
25AQI (US)
34AQI (US)
50AQI (US)
52AQI (US)
48AQI (US)
49AQI (US)
50AQI (US)
38AQI (US)
37AQI (US)
31AQI (US)
46AQI (US)
66AQI (US)
78AQI (US)
39AQI (US)
68AQI (US)
66AQI (US)
78AQI (US)
67AQI (US)
70AQI (US)
80AQI (US)
73AQI (US)
85AQI (US)
53AQI (US)
29AQI (US)
56AQI (US)
58AQI (US)
83AQI (US)
90AQI (US)
40AQI (US)
48AQI (US)
81AQI (US)
72AQI (US)
56AQI (US)
74AQI (US)
84AQI (US)
84AQI (US)
82AQI (US)
38AQI (US)
54AQI (US)
63AQI (US)
63AQI (US)
70AQI (US)
54AQI (US)
42AQI (US)
42AQI (US)
31AQI (US)
47AQI (US)
46AQI (US)
39AQI (US)
62AQI (US)
67AQI (US)
62AQI (US)
36AQI (US)
56AQI (US)
75AQI (US)
76AQI (US)
70AQI (US)
90AQI (US)
101AQI (US)
94AQI (US)
93AQI (US)
84AQI (US)
81AQI (US)
80AQI (US)
53AQI (US)
53AQI (US)
56AQI (US)
59AQI (US)
68AQI (US)
58AQI (US)
69AQI (US)
72AQI (US)
82AQI (US)
62AQI (US)
56AQI (US)
54AQI (US)
75AQI (US)
67AQI (US)
64AQI (US)
55AQI (US)
78AQI (US)
66AQI (US)
55AQI (US)
30AQI (US)
42AQI (US)
38AQI (US)
51AQI (US)
76AQI (US)
25AQI (US)
22AQI (US)
70AQI (US)
62AQI (US)
48AQI (US)
34AQI (US)
28AQI (US)
45AQI (US)
43AQI (US)
49AQI (US)
48AQI (US)
52AQI (US)
52AQI (US)
57AQI (US)
51AQI (US)
41AQI (US)
27AQI (US)
46AQI (US)
43AQI (US)
40AQI (US)
44AQI (US)
41AQI (US)
32AQI (US)
29AQI (US)
36AQI (US)
40AQI (US)
29AQI (US)
25AQI (US)
39AQI (US)
25AQI (US)
39AQI (US)
42AQI (US)
34AQI (US)
40AQI (US)
42AQI (US)
47AQI (US)
24AQI (US)
21AQI (US)
27AQI (US)
26AQI (US)
16AQI (US)
40AQI (US)
49AQI (US)
36AQI (US)
33AQI (US)
42AQI (US)
55AQI (US)
57AQI (US)
40AQI (US)
41AQI (US)
44AQI (US)
40AQI (US)
26AQI (US)
24AQI (US)
17AQI (US)
19AQI (US)
23AQI (US)
24AQI (US)
21AQI (US)
20AQI (US)
20AQI (US)
26AQI (US)
32AQI (US)
28AQI (US)
20AQI (US)
17AQI (US)
24AQI (US)
36AQI (US)
19AQI (US)
11AQI (US)
14AQI (US)
13AQI (US)
12AQI (US)
16AQI (US)
22AQI (US)
24AQI (US)
23AQI (US)
27AQI (US)
33AQI (US)
37AQI (US)
27AQI (US)
25AQI (US)
38AQI (US)
32AQI (US)
25AQI (US)
26AQI (US)
37AQI (US)
28AQI (US)
29AQI (US)
45AQI (US)
22AQI (US)
15AQI (US)
21AQI (US)
18AQI (US)
25AQI (US)
17AQI (US)
15AQI (US)
15AQI (US)
27AQI (US)
57AQI (US)
59AQI (US)
66AQI (US)
43AQI (US)
34AQI (US)
24AQI (US)
23AQI (US)
No. of days
202646AQI (US)
Highest AQI (US) recorded in
March66AQI (US)
Lowest AQI (US) recorded in
July23AQI (US)
202553AQI (US)
Highest AQI (US) recorded in
January78AQI (US)
Lowest AQI (US) recorded in
September35AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
November77AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202324AQI (US)
Highest AQI (US) recorded in
December29AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202228AQI (US)
Highest AQI (US) recorded in
December34AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
202129AQI (US)
Highest AQI (US) recorded in
August38AQI (US)
Lowest AQI (US) recorded in
December23AQI (US)
202024AQI (US)
Highest AQI (US) recorded in
November34AQI (US)
Lowest AQI (US) recorded in
June17AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Sofia's annual 2026 AQI (US) (46) shows an average percentage change of 54.07% (worsened AQI (US)) compared to previous years: 2020 (24), 2021 (29), 2022 (28), 2023 (24), 2024 (35), 2025 (53).