G Oryahovitsa, 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!
September Air Quality Analysis
G Oryahovitsa, Gorna Oryahovitsa, Veliko Tarnovo, Bulgaria
AQI Trends: Highest and Lowest
Same Day Analysis (23rd September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 24 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Sep - 24th Sep 2025
G Oryahovitsa, Gorna Oryahovitsa, Veliko Tarnovo, Bulgaria
6 AM23rd Sep 2025
7 PM
5 AM24th Sep 2025
27AQI
22AQI
27AQI
22AQI
In the last 24 hours,
G Oryahovitsa's AQI reached its highest point of 27 at 12 PM during the Day, while the lowest point, undefined, was recorded at 5 AM during the Night between 23rd Sep and 24th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
G Oryahovitsa, Gorna Oryahovitsa, Veliko Tarnovo, Bulgaria
17°C12/24°C
19°C11/28°C
21°C14/30°C
22°C14/32°C
23°C14/33°C
25°C16/35°C
20°C16/27°C
21°C14/28°C
24°C17/32°C
26°C19/35°C
24°C17/32°C
22°C15/31°C
22°C15/29°C
22°C16/29°C
22°C15/30°C
23°C16/32°C
25°C17/34°C
23°C16/31°C
21°C16/28°C
21°C16/27°C
20°C14/29°C
20°C14/27°C
21°C14/30°C
17°C15/19°C
17°C11/24°C
17°C10/25°C
20°C13/28°C
20°C14/29°C
19°C12/29°C
20°C12/29°C
--°C/°C
35AQI
35AQI
35AQI
35AQI
2025 Days Vs Air Quality
G Oryahovitsa, Gorna Oryahovitsa, Veliko Tarnovo, Bulgaria
50%
134
50%
132
Total number of days with different AQI categories in last 267 days in 2025 (98 days remaining)
Under WHO’s Safe Air Quality Limits: 50%
Health Risk Level:
Considerable
In 2025, 50% of 267 days were within WHO’s safe air quality limits, and 50% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
G Oryahovitsa, 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
70AQI
67AQI
59AQI
44AQI
49AQI
52AQI
43AQI
39AQI
35AQI
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
G Oryahovitsa's annual 2025 AQI (51) shows an average percentage change of 76.01% (worsened AQI) compared to previous years: 2020 (29), 2021 (29), 2022 (29), 2023 (25), 2024 (35).