Ziar Nad Hronom, Banskobystricky, 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
Ziar Nad Hronom, Banskobystricky, Slovakia
AQI Trends: Highest and Lowest
Same Day Analysis (19th September ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 3rd highest AQI at 19 of Good air quality, showing improvement over 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 20th Sep - 21st Sep 2025
Ziar Nad Hronom, Banskobystricky, Slovakia
6 AM20th Sep 2025
7 PM
5 AM21st Sep 2025
AQI
AQI
25AQI
16AQI
In the last 24 hours,
Ziar Nad Hronom's AQI reached its highest point of 25 at 4 PM during the Night, while the lowest point, undefined, was recorded at 5 AM during the Night between 20th Sep and 21st Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Ziar Nad Hronom, Banskobystricky, Slovakia
14°C8/20°C
12°C8/17°C
11°C5/18°C
12°C5/20°C
14°C6/22°C
18°C10/26°C
20°C12/28°C
20°C12/29°C
18°C13/26°C
18°C14/22°C
18°C12/26°C
19°C11/26°C
19°C15/25°C
19°C14/27°C
18°C12/27°C
15°C9/22°C
15°C8/24°C
16°C9/25°C
14°C8/23°C
15°C10/21°C
15°C9/20°C
15°C8/24°C
16°C9/23°C
13°C7/15°C
13°C6/20°C
11°C5/15°C
8°C4/15°C
10°C3/18°C
15°C7/24°C
--°C/°C
--°C/°C
31AQI
22AQI
29AQI
23AQI
2025 Days Vs Air Quality
Ziar Nad Hronom, Banskobystricky, Slovakia
70%
184
29%
75
1%
3
Total number of days with different AQI categories in last 263 days in 2025 (102 days remaining)
Under WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2025, 70% of 263 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
Ziar Nad Hronom, Banskobystricky, Slovakia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
85AQI
81AQI
71AQI
35AQI
58AQI
65AQI
85AQI
67AQI
69AQI
28AQI
24AQI
19AQI
31AQI
65AQI
87AQI
91AQI
97AQI
59AQI
65AQI
56AQI
72AQI
95AQI
59AQI
64AQI
65AQI
67AQI
69AQI
55AQI
45AQI
50AQI
51AQI
52AQI
74AQI
63AQI
71AQI
84AQI
69AQI
85AQI
72AQI
74AQI
73AQI
79AQI
83AQI
77AQI
75AQI
75AQI
61AQI
65AQI
78AQI
76AQI
74AQI
77AQI
81AQI
87AQI
114AQI
127AQI
135AQI
85AQI
52AQI
47AQI
39AQI
51AQI
59AQI
58AQI
66AQI
66AQI
67AQI
75AQI
72AQI
48AQI
45AQI
35AQI
38AQI
22AQI
28AQI
37AQI
33AQI
54AQI
54AQI
60AQI
59AQI
52AQI
61AQI
42AQI
52AQI
69AQI
59AQI
48AQI
70AQI
34AQI
52AQI
55AQI
45AQI
44AQI
52AQI
33AQI
34AQI
42AQI
39AQI
31AQI
47AQI
31AQI
37AQI
47AQI
36AQI
56AQI
51AQI
28AQI
27AQI
28AQI
40AQI
47AQI
43AQI
41AQI
34AQI
25AQI
31AQI
30AQI
40AQI
45AQI
33AQI
37AQI
40AQI
28AQI
24AQI
24AQI
25AQI
30AQI
25AQI
27AQI
26AQI
25AQI
27AQI
30AQI
28AQI
21AQI
22AQI
18AQI
18AQI
24AQI
29AQI
42AQI
19AQI
26AQI
26AQI
24AQI
28AQI
27AQI
17AQI
23AQI
27AQI
33AQI
37AQI
25AQI
34AQI
39AQI
43AQI
44AQI
33AQI
24AQI
25AQI
35AQI
31AQI
35AQI
30AQI
38AQI
43AQI
30AQI
35AQI
44AQI
35AQI
29AQI
29AQI
32AQI
30AQI
31AQI
33AQI
32AQI
28AQI
29AQI
30AQI
28AQI
27AQI
35AQI
44AQI
38AQI
39AQI
44AQI
32AQI
25AQI
23AQI
22AQI
23AQI
23AQI
24AQI
28AQI
28AQI
26AQI
23AQI
23AQI
29AQI
35AQI
22AQI
20AQI
23AQI
29AQI
33AQI
33AQI
25AQI
25AQI
28AQI
27AQI
25AQI
26AQI
23AQI
23AQI
28AQI
25AQI
24AQI
28AQI
36AQI
44AQI
49AQI
40AQI
43AQI
48AQI
53AQI
60AQI
59AQI
36AQI
26AQI
33AQI
44AQI
35AQI
24AQI
17AQI
18AQI
23AQI
32AQI
42AQI
44AQI
30AQI
25AQI
31AQI
31AQI
28AQI
36AQI
43AQI
30AQI
24AQI
29AQI
32AQI
33AQI
24AQI
24AQI
25AQI
25AQI
18AQI
20AQI
17AQI
17AQI
19AQI
62AQI
79AQI
52AQI
40AQI
26AQI
33AQI
29AQI
34AQI
27AQI
No. of days
202543AQI
Highest AQI recorded in
February79AQI
Lowest AQI recorded in
May26AQI
202442AQI
Highest AQI recorded in
December61AQI
Lowest AQI recorded in
May30AQI
202340AQI
Highest AQI recorded in
December52AQI
Lowest AQI recorded in
October31AQI
202245AQI
Highest AQI recorded in
March62AQI
Lowest AQI recorded in
September26AQI
202148AQI
Highest AQI recorded in
February62AQI
Lowest AQI recorded in
May25AQI
202040AQI
Highest AQI recorded in
November57AQI
Lowest AQI recorded in
September29AQI
Most & Least Polluted Years Over the Last 6 Years
Ziar Nad Hronom's annual 2025 AQI (43) shows an average percentage change of -0.09% (improved AQI) compared to previous years: 2020 (40), 2021 (48), 2022 (45), 2023 (40), 2024 (42).