Hranice, Olomoucky Kraj, Czechia 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
Hranice, Olomoucky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (21st September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks the most lowest AQI at 30 of Good air quality, showing improvement over 2024, 2023, 2022 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 21st Sep - 22nd Sep 2025
Hranice, Olomoucky Kraj, Czechia
6 AM21st Sep 2025
7 PM
5 AM22nd Sep 2025
48AQI
24AQI
31AQI
21AQI
In the last 24 hours,
Hranice's AQI reached its highest point of 48 at 10 AM during the Day, while the lowest point, 21, was recorded at 5 AM during the Night between 21st Sep and 22nd Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Hranice, Olomoucky Kraj, Czechia
14°C9/19°C
13°C5/20°C
16°C9/23°C
17°C9/25°C
20°C13/29°C
24°C15/32°C
23°C17/30°C
19°C16/24°C
17°C14/19°C
20°C13/27°C
19°C16/25°C
19°C16/25°C
21°C14/28°C
20°C17/25°C
16°C12/19°C
16°C11/22°C
17°C11/24°C
18°C12/25°C
18°C15/22°C
19°C16/23°C
16°C13/20°C
17°C13/21°C
15°C11/18°C
15°C9/20°C
15°C11/19°C
13°C9/18°C
14°C8/20°C
18°C12/25°C
20°C14/26°C
20°C14/26°C
--°C/°C
34AQI
28AQI
32AQI
28AQI
2025 Days Vs Air Quality
Hranice, Olomoucky Kraj, Czechia
69%
182
27%
72
4%
10
Total number of days with different AQI categories in last 265 days in 2025 (100 days remaining)
Under WHO’s Safe Air Quality Limits: 69%
Health Risk Level:
Moderate
In 2025, 69% of 265 days were within WHO’s safe air quality limits, and 31% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Hranice, Olomoucky Kraj, Czechia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
83AQI
72AQI
52AQI
36AQI
63AQI
52AQI
74AQI
40AQI
30AQI
27AQI
27AQI
24AQI
38AQI
65AQI
77AQI
61AQI
53AQI
70AQI
70AQI
54AQI
63AQI
86AQI
68AQI
70AQI
63AQI
60AQI
54AQI
47AQI
32AQI
56AQI
66AQI
62AQI
80AQI
92AQI
100AQI
123AQI
73AQI
111AQI
91AQI
103AQI
131AQI
149AQI
107AQI
85AQI
86AQI
75AQI
69AQI
100AQI
82AQI
86AQI
87AQI
87AQI
74AQI
94AQI
127AQI
109AQI
123AQI
122AQI
70AQI
67AQI
55AQI
70AQI
84AQI
86AQI
82AQI
78AQI
81AQI
84AQI
65AQI
52AQI
45AQI
31AQI
48AQI
50AQI
63AQI
55AQI
50AQI
60AQI
62AQI
76AQI
68AQI
44AQI
59AQI
73AQI
80AQI
53AQI
69AQI
88AQI
86AQI
30AQI
60AQI
69AQI
53AQI
48AQI
47AQI
31AQI
23AQI
30AQI
39AQI
29AQI
47AQI
43AQI
40AQI
41AQI
33AQI
37AQI
40AQI
23AQI
20AQI
21AQI
29AQI
32AQI
33AQI
50AQI
34AQI
39AQI
32AQI
32AQI
35AQI
37AQI
34AQI
32AQI
41AQI
29AQI
24AQI
35AQI
40AQI
26AQI
31AQI
32AQI
31AQI
35AQI
38AQI
39AQI
29AQI
20AQI
20AQI
18AQI
18AQI
23AQI
30AQI
30AQI
19AQI
23AQI
24AQI
24AQI
24AQI
24AQI
17AQI
22AQI
28AQI
25AQI
29AQI
25AQI
31AQI
26AQI
22AQI
19AQI
19AQI
22AQI
28AQI
37AQI
36AQI
33AQI
34AQI
42AQI
41AQI
35AQI
36AQI
44AQI
36AQI
30AQI
30AQI
33AQI
34AQI
32AQI
30AQI
29AQI
25AQI
25AQI
27AQI
28AQI
27AQI
31AQI
32AQI
31AQI
33AQI
32AQI
33AQI
25AQI
21AQI
21AQI
21AQI
26AQI
26AQI
29AQI
30AQI
27AQI
26AQI
25AQI
28AQI
39AQI
27AQI
21AQI
24AQI
28AQI
42AQI
38AQI
30AQI
28AQI
26AQI
25AQI
26AQI
23AQI
24AQI
25AQI
28AQI
25AQI
26AQI
30AQI
43AQI
52AQI
47AQI
40AQI
44AQI
54AQI
57AQI
60AQI
54AQI
35AQI
29AQI
34AQI
46AQI
41AQI
28AQI
18AQI
20AQI
25AQI
35AQI
45AQI
45AQI
33AQI
28AQI
32AQI
35AQI
37AQI
37AQI
35AQI
25AQI
24AQI
33AQI
40AQI
45AQI
28AQI
27AQI
26AQI
26AQI
20AQI
21AQI
19AQI
23AQI
26AQI
28AQI
30AQI
56AQI
96AQI
64AQI
38AQI
28AQI
31AQI
28AQI
36AQI
29AQI
No. of days
202545AQI
Highest AQI recorded in
February96AQI
Lowest AQI recorded in
May28AQI
202454AQI
Highest AQI recorded in
January74AQI
Lowest AQI recorded in
May40AQI
202350AQI
Highest AQI recorded in
February68AQI
Lowest AQI recorded in
November39AQI
202260AQI
Highest AQI recorded in
March92AQI
Lowest AQI recorded in
August24AQI
202155AQI
Highest AQI recorded in
December83AQI
Lowest AQI recorded in
May34AQI
202049AQI
Highest AQI recorded in
March85AQI
Lowest AQI recorded in
June42AQI
Most & Least Polluted Years Over the Last 6 Years
Hranice's annual 2025 AQI (45) shows an average percentage change of -15.4% (improved AQI) compared to previous years: 2020 (49), 2021 (55), 2022 (60), 2023 (50), 2024 (54).