Senec, Bratislavsky, Slovakia 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
Senec, Bratislavsky, Slovakia
AQI Trends: Highest and Lowest
Same Day Analysis (23rd September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 29 of Good air quality, showing improvement over 2024 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Sep - 24th Sep 2025
Senec, Bratislavsky, Slovakia
6 AM23rd Sep 2025
7 PM
5 AM24th Sep 2025
33AQI
26AQI
31AQI
18AQI
In the last 24 hours,
Senec's AQI reached its highest point of 33 at 11 AM during the Day, while the lowest point, 18, was recorded at 3 AM during the Night between 23rd Sep and 24th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Senec, Bratislavsky, Slovakia
18°C12/24°C
19°C13/26°C
22°C14/29°C
25°C16/33°C
25°C18/32°C
20°C17/26°C
18°C15/21°C
20°C14/27°C
20°C16/26°C
20°C16/26°C
22°C16/28°C
20°C16/24°C
18°C15/24°C
18°C12/25°C
19°C14/25°C
20°C14/26°C
18°C17/22°C
19°C15/24°C
18°C14/22°C
19°C14/24°C
16°C13/19°C
18°C12/25°C
15°C13/17°C
15°C11/21°C
16°C11/21°C
20°C14/27°C
21°C15/29°C
22°C15/30°C
21°C15/29°C
15°C12/19°C
--°C/°C
33AQI
27AQI
30AQI
26AQI
2025 Days Vs Air Quality
Senec, Bratislavsky, Slovakia
75%
199
23%
62
2%
5
Total number of days with different AQI categories in last 267 days in 2025 (98 days remaining)
Under WHO’s Safe Air Quality Limits: 75%
Health Risk Level:
Low
In 2025, 75% of 267 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
Senec, Bratislavsky, Slovakia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
61AQI
55AQI
38AQI
29AQI
52AQI
61AQI
55AQI
49AQI
43AQI
21AQI
27AQI
21AQI
29AQI
69AQI
71AQI
96AQI
104AQI
59AQI
60AQI
44AQI
55AQI
64AQI
60AQI
70AQI
67AQI
67AQI
44AQI
37AQI
29AQI
45AQI
49AQI
39AQI
61AQI
48AQI
81AQI
102AQI
60AQI
97AQI
68AQI
65AQI
78AQI
84AQI
76AQI
77AQI
74AQI
83AQI
52AQI
75AQI
77AQI
81AQI
79AQI
70AQI
71AQI
88AQI
119AQI
123AQI
126AQI
100AQI
43AQI
53AQI
48AQI
57AQI
77AQI
79AQI
78AQI
72AQI
82AQI
82AQI
64AQI
45AQI
37AQI
26AQI
32AQI
27AQI
40AQI
38AQI
36AQI
54AQI
60AQI
64AQI
63AQI
53AQI
60AQI
66AQI
63AQI
67AQI
64AQI
43AQI
49AQI
22AQI
46AQI
57AQI
52AQI
44AQI
47AQI
19AQI
19AQI
26AQI
34AQI
28AQI
31AQI
32AQI
40AQI
37AQI
41AQI
37AQI
42AQI
24AQI
19AQI
24AQI
37AQI
28AQI
35AQI
28AQI
19AQI
22AQI
27AQI
31AQI
41AQI
46AQI
39AQI
38AQI
46AQI
26AQI
22AQI
24AQI
30AQI
27AQI
24AQI
27AQI
23AQI
23AQI
25AQI
38AQI
27AQI
17AQI
20AQI
17AQI
18AQI
25AQI
29AQI
38AQI
18AQI
18AQI
22AQI
21AQI
24AQI
22AQI
16AQI
19AQI
37AQI
33AQI
37AQI
24AQI
37AQI
35AQI
37AQI
39AQI
20AQI
18AQI
26AQI
35AQI
30AQI
29AQI
27AQI
36AQI
33AQI
28AQI
28AQI
44AQI
38AQI
32AQI
33AQI
41AQI
36AQI
37AQI
40AQI
38AQI
30AQI
32AQI
34AQI
36AQI
33AQI
41AQI
43AQI
42AQI
43AQI
41AQI
33AQI
26AQI
22AQI
23AQI
24AQI
26AQI
32AQI
31AQI
34AQI
26AQI
24AQI
25AQI
30AQI
40AQI
29AQI
23AQI
29AQI
29AQI
31AQI
38AQI
37AQI
30AQI
26AQI
25AQI
24AQI
25AQI
23AQI
23AQI
24AQI
24AQI
25AQI
28AQI
41AQI
49AQI
51AQI
43AQI
43AQI
50AQI
55AQI
57AQI
55AQI
35AQI
30AQI
35AQI
42AQI
41AQI
28AQI
20AQI
20AQI
26AQI
33AQI
42AQI
43AQI
35AQI
26AQI
30AQI
32AQI
28AQI
33AQI
31AQI
22AQI
22AQI
29AQI
35AQI
39AQI
32AQI
27AQI
29AQI
29AQI
23AQI
23AQI
19AQI
20AQI
23AQI
30AQI
32AQI
31AQI
29AQI
53AQI
78AQI
55AQI
34AQI
26AQI
33AQI
31AQI
35AQI
28AQI
No. of days
202542AQI
Highest AQI recorded in
February78AQI
Lowest AQI recorded in
May26AQI
202446AQI
Highest AQI recorded in
January57AQI
Lowest AQI recorded in
September34AQI
202348AQI
Highest AQI recorded in
January58AQI
Lowest AQI recorded in
November31AQI
202252AQI
Highest AQI recorded in
December74AQI
Lowest AQI recorded in
August30AQI
Most & Least Polluted Years Over the Last 4 Years
Senec's annual 2025 AQI (42) shows an average percentage change of -14.5% (improved AQI) compared to previous years: 2022 (52), 2023 (48), 2024 (46).