Gorna Oryahovitsa, Veliko Tarnovo, Bulgaria Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
November Air Quality Analysis
Gorna Oryahovitsa, Veliko Tarnovo, Bulgaria
AQI Trends: Highest and Lowest
Same Day Analysis (28th November ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 56 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 28th Nov - 29th Nov 2025
Gorna Oryahovitsa, Veliko Tarnovo, Bulgaria
7 AM28th Nov 2025
4 PM
6 AM29th Nov 2025
59AQI
48AQI
58AQI
41AQI
In the last 24 hours,
Gorna Oryahovitsa's AQI reached its highest point of 59 at 10 AM during the Day, while the lowest point, undefined, was recorded at 6 AM during the Night between 28th Nov and 29th Nov 2025.
Day & Night AQI Trend : Oct - Nov 2025
Gorna Oryahovitsa, Veliko Tarnovo, Bulgaria
12°C8/18°C
13°C9/18°C
13°C10/19°C
14°C10/21°C
14°C10/19°C
11°C10/13°C
10°C9/11°C
10°C9/12°C
10°C8/15°C
13°C10/16°C
12°C10/16°C
13°C10/17°C
10°C9/11°C
10°C7/14°C
9°C6/13°C
10°C6/14°C
11°C7/17°C
12°C9/17°C
13°C9/19°C
13°C12/18°C
9°C7/10°C
11°C7/16°C
14°C10/19°C
16°C14/19°C
9°C6/11°C
7°C3/11°C
8°C4/13°C
11°C7/16°C
9°C8/13°C
6°C6/6°C
--°C/°C
52AQI
52AQI
67AQI
54AQI
2025 Days Vs Air Quality
Gorna Oryahovitsa, Veliko Tarnovo, Bulgaria
48%
158
52%
174
Total number of days with different AQI categories in last 333 days in 2025 (32 days remaining)
Under WHO’s Safe Air Quality Limits: 48%
Health Risk Level:
Significant
In 2025, 48% of 333 days were within WHO’s safe air quality limits, and 52% exceeded them. The risk of health issues is Significant, especially for those with existing respiratory or heart conditions.
Annual Air Quality Insights
Gorna Oryahovitsa, Veliko Tarnovo, Bulgaria
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
82AQI
74AQI
74AQI
69AQI
68AQI
71AQI
72AQI
70AQI
71AQI
71AQI
66AQI
64AQI
61AQI
60AQI
59AQI
60AQI
62AQI
64AQI
69AQI
72AQI
73AQI
76AQI
80AQI
78AQI
74AQI
74AQI
73AQI
72AQI
70AQI
69AQI
72AQI
77AQI
75AQI
74AQI
70AQI
70AQI
67AQI
64AQI
63AQI
60AQI
62AQI
64AQI
63AQI
64AQI
66AQI
63AQI
64AQI
63AQI
61AQI
61AQI
64AQI
67AQI
67AQI
69AQI
71AQI
69AQI
69AQI
69AQI
69AQI
68AQI
65AQI
64AQI
63AQI
65AQI
65AQI
66AQI
65AQI
64AQI
66AQI
67AQI
63AQI
61AQI
59AQI
57AQI
56AQI
54AQI
51AQI
48AQI
51AQI
53AQI
54AQI
53AQI
54AQI
58AQI
63AQI
60AQI
58AQI
56AQI
56AQI
55AQI
55AQI
53AQI
52AQI
51AQI
50AQI
46AQI
42AQI
42AQI
43AQI
43AQI
42AQI
41AQI
41AQI
40AQI
41AQI
44AQI
44AQI
43AQI
42AQI
41AQI
40AQI
44AQI
45AQI
43AQI
43AQI
42AQI
40AQI
39AQI
38AQI
38AQI
42AQI
43AQI
52AQI
51AQI
53AQI
54AQI
53AQI
53AQI
54AQI
53AQI
53AQI
50AQI
47AQI
49AQI
51AQI
51AQI
52AQI
54AQI
49AQI
43AQI
44AQI
46AQI
49AQI
52AQI
50AQI
45AQI
45AQI
45AQI
45AQI
42AQI
43AQI
44AQI
44AQI
44AQI
48AQI
53AQI
54AQI
55AQI
49AQI
53AQI
54AQI
57AQI
59AQI
55AQI
53AQI
52AQI
51AQI
54AQI
53AQI
56AQI
56AQI
54AQI
54AQI
52AQI
51AQI
50AQI
51AQI
52AQI
53AQI
48AQI
46AQI
45AQI
43AQI
44AQI
44AQI
48AQI
49AQI
51AQI
52AQI
52AQI
46AQI
43AQI
44AQI
46AQI
48AQI
46AQI
43AQI
43AQI
37AQI
34AQI
33AQI
35AQI
39AQI
38AQI
37AQI
39AQI
40AQI
42AQI
42AQI
41AQI
38AQI
38AQI
38AQI
37AQI
38AQI
38AQI
37AQI
38AQI
37AQI
37AQI
37AQI
37AQI
40AQI
40AQI
42AQI
42AQI
42AQI
45AQI
45AQI
44AQI
44AQI
43AQI
43AQI
43AQI
41AQI
39AQI
36AQI
33AQI
33AQI
34AQI
33AQI
34AQI
35AQI
35AQI
35AQI
37AQI
41AQI
38AQI
38AQI
39AQI
40AQI
41AQI
42AQI
42AQI
41AQI
41AQI
40AQI
37AQI
34AQI
31AQI
28AQI
27AQI
26AQI
26AQI
23AQI
24AQI
27AQI
31AQI
32AQI
27AQI
38AQI
51AQI
51AQI
51AQI
48AQI
42AQI
45AQI
59AQI
58AQI
47AQI
39AQI
47AQI
56AQI
48AQI
55AQI
58AQI
62AQI
69AQI
67AQI
52AQI
53AQI
53AQI
63AQI
61AQI
61AQI
63AQI
46AQI
31AQI
50AQI
39AQI
34AQI
37AQI
56AQI
63AQI
69AQI
59AQI
56AQI
48AQI
50AQI
63AQI
50AQI
60AQI
58AQI
52AQI
46AQI
57AQI
80AQI
76AQI
74AQI
73AQI
64AQI
62AQI
45AQI
61AQI
51AQI
53AQI
39AQI
54AQI
57AQI
57AQI
60AQI
56AQI
70AQI
67AQI
59AQI
44AQI
49AQI
52AQI
43AQI
39AQI
35AQI
52AQI
58AQI
No. of days
202551AQI
Highest AQI recorded in
January70AQI
Lowest AQI recorded in
September35AQI
202435AQI
Highest AQI recorded in
November61AQI
Lowest AQI recorded in
May21AQI
202325AQI
Highest AQI recorded in
January33AQI
Lowest AQI recorded in
November19AQI
202229AQI
Highest AQI recorded in
March40AQI
Lowest AQI recorded in
June21AQI
202129AQI
Highest AQI recorded in
February45AQI
Lowest AQI recorded in
June21AQI
202029AQI
Highest AQI recorded in
March50AQI
Lowest AQI recorded in
June19AQI
Most & Least Polluted Years Over the Last 6 Years
Gorna Oryahovitsa's annual 2025 AQI (51) shows an average percentage change of 77.3% (worsened AQI) compared to previous years: 2020 (29), 2021 (29), 2022 (29), 2023 (25), 2024 (35).