Kaunas, Kauno Miestas, Lithuania 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
Kaunas, Kauno Miestas, Lithuania
AQI Trends: Highest and Lowest
Same Day Analysis (17th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 23 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Sep - 18th Sep 2025
Kaunas, Kauno Miestas, Lithuania
6 AM17th Sep 2025
8 PM
5 AM18th Sep 2025
27AQI
19AQI
23AQI
14AQI
In the last 24 hours,
Kaunas's AQI reached its highest point of 27 at 3 PM during the Day, while the lowest point, 14, was recorded at 4 AM during the Night between 17th Sep and 18th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Kaunas, Kauno Miestas, Lithuania
16°C10/23°C
15°C10/17°C
13°C8/19°C
15°C9/21°C
12°C9/18°C
11°C8/14°C
11°C8/16°C
11°C6/15°C
12°C6/18°C
17°C10/25°C
23°C17/29°C
19°C16/24°C
16°C13/21°C
17°C11/23°C
19°C13/25°C
20°C16/28°C
20°C15/25°C
21°C16/28°C
21°C16/27°C
20°C15/27°C
19°C14/24°C
17°C13/23°C
20°C13/26°C
19°C15/24°C
15°C14/18°C
17°C12/22°C
17°C13/21°C
16°C12/19°C
15°C12/18°C
13°C9/17°C
--°C/°C
35AQI
35AQI
38AQI
35AQI
2025 Days Vs Air Quality
Kaunas, Kauno Miestas, Lithuania
76%
198
19%
50
4%
11
0.3%
1
Total number of days with different AQI categories in last 261 days in 2025 (104 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 261 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Kaunas, Kauno Miestas, Lithuania
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
45AQI
30AQI
27AQI
29AQI
45AQI
58AQI
63AQI
44AQI
55AQI
44AQI
22AQI
36AQI
30AQI
48AQI
35AQI
29AQI
35AQI
36AQI
29AQI
41AQI
48AQI
67AQI
88AQI
68AQI
68AQI
64AQI
62AQI
63AQI
62AQI
42AQI
56AQI
31AQI
24AQI
23AQI
30AQI
58AQI
67AQI
60AQI
69AQI
73AQI
70AQI
64AQI
75AQI
106AQI
78AQI
27AQI
82AQI
40AQI
39AQI
35AQI
68AQI
62AQI
53AQI
69AQI
101AQI
154AQI
121AQI
87AQI
110AQI
94AQI
94AQI
88AQI
76AQI
46AQI
61AQI
124AQI
136AQI
133AQI
118AQI
138AQI
137AQI
129AQI
39AQI
41AQI
50AQI
22AQI
31AQI
44AQI
62AQI
76AQI
54AQI
52AQI
54AQI
58AQI
62AQI
34AQI
55AQI
59AQI
55AQI
57AQI
61AQI
43AQI
26AQI
31AQI
21AQI
21AQI
21AQI
22AQI
30AQI
19AQI
33AQI
29AQI
45AQI
47AQI
58AQI
44AQI
47AQI
64AQI
55AQI
56AQI
46AQI
49AQI
50AQI
48AQI
27AQI
20AQI
18AQI
36AQI
42AQI
31AQI
23AQI
39AQI
26AQI
28AQI
22AQI
22AQI
21AQI
22AQI
25AQI
27AQI
22AQI
23AQI
25AQI
31AQI
19AQI
23AQI
29AQI
24AQI
29AQI
28AQI
27AQI
39AQI
36AQI
21AQI
23AQI
30AQI
30AQI
32AQI
33AQI
24AQI
23AQI
25AQI
33AQI
31AQI
34AQI
43AQI
33AQI
24AQI
23AQI
22AQI
29AQI
40AQI
29AQI
33AQI
20AQI
23AQI
36AQI
29AQI
35AQI
25AQI
19AQI
16AQI
16AQI
22AQI
20AQI
19AQI
22AQI
24AQI
20AQI
20AQI
23AQI
22AQI
19AQI
26AQI
23AQI
21AQI
28AQI
40AQI
39AQI
28AQI
21AQI
22AQI
22AQI
30AQI
36AQI
36AQI
40AQI
34AQI
36AQI
42AQI
43AQI
43AQI
50AQI
48AQI
41AQI
38AQI
36AQI
46AQI
48AQI
41AQI
31AQI
29AQI
28AQI
31AQI
33AQI
36AQI
33AQI
27AQI
26AQI
34AQI
44AQI
53AQI
33AQI
26AQI
32AQI
41AQI
34AQI
40AQI
24AQI
18AQI
23AQI
26AQI
21AQI
30AQI
20AQI
17AQI
16AQI
18AQI
21AQI
32AQI
45AQI
45AQI
48AQI
44AQI
44AQI
40AQI
42AQI
45AQI
48AQI
48AQI
48AQI
50AQI
51AQI
47AQI
38AQI
35AQI
44AQI
38AQI
29AQI
23AQI
47AQI
67AQI
74AQI
38AQI
27AQI
26AQI
34AQI
31AQI
42AQI
No. of days
202543AQI
Highest AQI recorded in
March74AQI
Lowest AQI recorded in
June26AQI
202445AQI
Highest AQI recorded in
September66AQI
Lowest AQI recorded in
July32AQI
202341AQI
Highest AQI recorded in
February47AQI
Lowest AQI recorded in
October30AQI
202241AQI
Highest AQI recorded in
March65AQI
Lowest AQI recorded in
September26AQI
202136AQI
Highest AQI recorded in
December58AQI
Lowest AQI recorded in
January16AQI
202021AQI
Highest AQI recorded in
June29AQI
Lowest AQI recorded in
November13AQI
Most & Least Polluted Years Over the Last 6 Years
Kaunas's annual 2025 AQI (43) shows an average percentage change of 24.7% (worsened AQI) compared to previous years: 2020 (21), 2021 (36), 2022 (41), 2023 (41), 2024 (45).