Osijek, Osjecko Baranjska Zupanija, Croatia 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
Osijek, Osjecko Baranjska Zupanija, Croatia
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 3rd highest AQI at 31 of Good air quality, showing improvement over 2024 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 22nd Sep - 23rd Sep 2025
Osijek, Osjecko Baranjska Zupanija, Croatia
6 AM22nd Sep 2025
7 PM
5 AM23rd Sep 2025
31AQI
25AQI
33AQI
28AQI
In the last 24 hours,
Osijek's AQI reached its highest point of 33 at 2 AM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 22nd Sep and 23rd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Osijek, Osjecko Baranjska Zupanija, Croatia
19°C14/25°C
19°C10/27°C
22°C13/31°C
24°C15/34°C
28°C18/37°C
28°C20/39°C
21°C18/26°C
18°C16/21°C
22°C14/30°C
25°C17/33°C
24°C18/30°C
25°C18/33°C
25°C18/34°C
22°C17/29°C
22°C15/31°C
24°C18/32°C
25°C18/32°C
23°C20/31°C
20°C17/23°C
22°C17/27°C
23°C17/30°C
20°C16/27°C
19°C14/26°C
19°C16/27°C
18°C14/24°C
18°C12/24°C
21°C15/29°C
23°C17/30°C
24°C17/33°C
24°C16/32°C
--°C/°C
39AQI
33AQI
36AQI
35AQI
2025 Days Vs Air Quality
Osijek, Osjecko Baranjska Zupanija, Croatia
59%
155
41%
108
0.3%
1
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Under WHO’s Safe Air Quality Limits: 59%
Health Risk Level:
Considerable
In 2025, 59% of 266 days were within WHO’s safe air quality limits, and 41% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Osijek, Osjecko Baranjska Zupanija, Croatia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
94AQI
96AQI
74AQI
66AQI
70AQI
73AQI
76AQI
66AQI
73AQI
61AQI
65AQI
61AQI
53AQI
58AQI
70AQI
71AQI
67AQI
66AQI
68AQI
65AQI
66AQI
77AQI
93AQI
78AQI
76AQI
73AQI
69AQI
62AQI
58AQI
67AQI
72AQI
61AQI
70AQI
69AQI
80AQI
90AQI
93AQI
93AQI
80AQI
77AQI
79AQI
80AQI
78AQI
85AQI
79AQI
75AQI
69AQI
69AQI
75AQI
78AQI
79AQI
88AQI
84AQI
84AQI
97AQI
108AQI
93AQI
97AQI
75AQI
70AQI
65AQI
68AQI
75AQI
80AQI
81AQI
84AQI
91AQI
96AQI
90AQI
73AQI
63AQI
56AQI
53AQI
50AQI
46AQI
50AQI
48AQI
57AQI
63AQI
68AQI
71AQI
67AQI
62AQI
61AQI
62AQI
62AQI
59AQI
55AQI
57AQI
53AQI
52AQI
53AQI
54AQI
51AQI
47AQI
41AQI
39AQI
41AQI
43AQI
46AQI
45AQI
45AQI
45AQI
46AQI
48AQI
49AQI
51AQI
33AQI
31AQI
29AQI
39AQI
51AQI
47AQI
43AQI
40AQI
35AQI
34AQI
39AQI
39AQI
43AQI
48AQI
46AQI
45AQI
42AQI
41AQI
33AQI
41AQI
41AQI
41AQI
41AQI
44AQI
41AQI
40AQI
41AQI
40AQI
27AQI
28AQI
27AQI
29AQI
31AQI
35AQI
41AQI
31AQI
29AQI
31AQI
32AQI
31AQI
35AQI
29AQI
25AQI
26AQI
31AQI
35AQI
38AQI
38AQI
44AQI
48AQI
56AQI
53AQI
49AQI
52AQI
57AQI
54AQI
54AQI
50AQI
49AQI
49AQI
34AQI
40AQI
48AQI
50AQI
49AQI
53AQI
47AQI
49AQI
51AQI
54AQI
52AQI
43AQI
40AQI
39AQI
37AQI
39AQI
41AQI
41AQI
41AQI
47AQI
53AQI
48AQI
32AQI
31AQI
30AQI
34AQI
42AQI
39AQI
35AQI
36AQI
37AQI
27AQI
29AQI
32AQI
39AQI
33AQI
28AQI
27AQI
32AQI
39AQI
39AQI
36AQI
34AQI
32AQI
28AQI
26AQI
28AQI
30AQI
29AQI
27AQI
27AQI
28AQI
30AQI
41AQI
49AQI
52AQI
51AQI
50AQI
51AQI
53AQI
52AQI
53AQI
50AQI
44AQI
43AQI
46AQI
46AQI
38AQI
33AQI
26AQI
30AQI
37AQI
41AQI
45AQI
43AQI
35AQI
34AQI
33AQI
34AQI
38AQI
45AQI
37AQI
31AQI
32AQI
42AQI
48AQI
45AQI
41AQI
42AQI
46AQI
35AQI
36AQI
26AQI
24AQI
30AQI
33AQI
31AQI
70AQI
82AQI
66AQI
43AQI
36AQI
47AQI
36AQI
40AQI
36AQI
No. of days
202551AQI
Highest AQI recorded in
February82AQI
Lowest AQI recorded in
May36AQI
202439AQI
Highest AQI recorded in
November75AQI
Lowest AQI recorded in
May20AQI
202330AQI
Highest AQI recorded in
February39AQI
Lowest AQI recorded in
November23AQI
202236AQI
Highest AQI recorded in
August50AQI
Lowest AQI recorded in
September23AQI
202131AQI
Highest AQI recorded in
June40AQI
Lowest AQI recorded in
January22AQI
202029AQI
Highest AQI recorded in
March47AQI
Lowest AQI recorded in
May22AQI
Most & Least Polluted Years Over the Last 6 Years
Osijek's annual 2025 AQI (51) shows an average percentage change of 55.7% (worsened AQI) compared to previous years: 2020 (29), 2021 (31), 2022 (36), 2023 (30), 2024 (39).