Split, Split Dalmatia County, 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
Split, Split Dalmatia County, Croatia
AQI Trends: Highest and Lowest
Same Day Analysis (22nd September ):
On this day, AQI across the 1 years varied significantly: 2025 ranks 1st highest AQI at 21 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 23rd Sep - 24th Sep 2025
Split, Split Dalmatia County, Croatia
6 AM23rd Sep 2025
7 PM
5 AM24th Sep 2025
AQI
AQI
25AQI
19AQI
In the last 24 hours,
Split's AQI reached its highest point of 25 at 10 AM during the Night, 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
Split, Split Dalmatia County, Croatia
21°C16/25°C
21°C17/25°C
22°C18/26°C
24°C19/29°C
23°C19/27°C
20°C18/24°C
19°C16/23°C
21°C17/24°C
22°C18/26°C
21°C17/25°C
22°C18/26°C
23°C19/27°C
24°C20/29°C
22°C18/26°C
22°C19/25°C
22°C18/26°C
22°C21/24°C
21°C19/24°C
21°C17/25°C
22°C18/26°C
22°C19/25°C
21°C17/26°C
22°C19/26°C
21°C17/26°C
20°C15/25°C
22°C18/28°C
22°C19/27°C
22°C18/26°C
22°C18/26°C
--°C/°C
--°C/°C
33AQI
31AQI
33AQI
31AQI
2025 Days Vs Air Quality
Split, Split Dalmatia County, Croatia
71%
83
29%
34
Total number of days with different AQI categories in last 266 days in 2025 (99 days remaining)
Under WHO’s Safe Air Quality Limits: 71%
Health Risk Level:
Low
In 2025, 71% of 266 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
Split, Split Dalmatia County, Croatia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI
23AQI
23AQI
29AQI
38AQI
41AQI
38AQI
49AQI
48AQI
49AQI
54AQI
61AQI
60AQI
66AQI
66AQI
65AQI
59AQI
58AQI
58AQI
55AQI
55AQI
55AQI
55AQI
52AQI
51AQI
50AQI
53AQI
53AQI
55AQI
55AQI
51AQI
48AQI
48AQI
47AQI
44AQI
44AQI
46AQI
51AQI
53AQI
53AQI
51AQI
41AQI
36AQI
31AQI
35AQI
39AQI
43AQI
38AQI
32AQI
38AQI
29AQI
29AQI
35AQI
38AQI
39AQI
39AQI
34AQI
36AQI
42AQI
41AQI
32AQI
26AQI
25AQI
30AQI
35AQI
38AQI
39AQI
39AQI
39AQI
36AQI
38AQI
39AQI
44AQI
50AQI
51AQI
55AQI
57AQI
58AQI
57AQI
59AQI
57AQI
54AQI
52AQI
51AQI
49AQI
47AQI
44AQI
38AQI
35AQI
33AQI
37AQI
41AQI
45AQI
40AQI
35AQI
33AQI
31AQI
29AQI
29AQI
35AQI
33AQI
32AQI
35AQI
37AQI
39AQI
37AQI
33AQI
32AQI
35AQI
31AQI
30AQI
26AQI
22AQI
20AQI
21AQI
21AQI
21AQI
23AQI
53AQI
39AQI
45AQI
30AQI
No. of days
202542AQI
Highest AQI recorded in
June53AQI
Lowest AQI recorded in
May23AQI
Most & Least Polluted Years Over the Last 1 Years
Split's annual 2025 AQI (42) shows an average percentage change of NaN% (improved AQI) compared to previous years: .