Ostrava Radvanice Zu, Senov, Moravskoslezsky Kraj, Czechia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Ostrava Radvanice Zu, Senov, Moravskoslezsky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (2nd August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 26 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: 2nd Aug - 3rd Aug 2025
Ostrava Radvanice Zu, Senov, Moravskoslezsky Kraj, Czechia
4 AM2nd Aug 2025
8 PM
3 AM3rd Aug 2025
28AQI
19AQI
37AQI
25AQI
In the last 24 hours,
Ostrava Radvanice Zu's AQI reached its highest point of 37 at 2 AM during the Night, while the lowest point, 19, was recorded at 12 PM during the Day between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ostrava Radvanice Zu, Senov, Moravskoslezsky Kraj, Czechia
17°C14/22°C
19°C13/25°C
24°C16/30°C
17°C14/18°C
15°C12/20°C
13°C11/16°C
15°C12/20°C
15°C12/19°C
15°C12/21°C
20°C13/26°C
21°C15/27°C
20°C16/26°C
18°C14/23°C
16°C13/20°C
16°C13/21°C
18°C13/24°C
22°C15/28°C
24°C17/31°C
20°C15/24°C
20°C14/26°C
21°C16/26°C
20°C17/23°C
19°C17/23°C
17°C16/19°C
16°C15/19°C
16°C13/20°C
17°C12/22°C
17°C12/22°C
18°C13/23°C
19°C14/25°C
--°C/°C
30AQI
29AQI
31AQI
31AQI
2025 Days Vs Air Quality
Ostrava Radvanice Zu, Senov, Moravskoslezsky Kraj, Czechia
62%
132
28%
60
9%
19
1%
3
Total number of days with different AQI categories in last 215 days in 2025 (150 days remaining)
Under WHO’s Safe Air Quality Limits: 62%
Health Risk Level:
Moderate
In 2025, 62% of 215 days were within WHO’s safe air quality limits, and 38% exceeded them. The risk of health issues is Moderate, particularly for individuals with respiratory or heart conditions.
Annual Air Quality Insights
Ostrava Radvanice Zu, Senov, Moravskoslezsky Kraj, Czechia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
71AQI
60AQI
42AQI
38AQI
103AQI
55AQI
53AQI
30AQI
32AQI
23AQI
22AQI
23AQI
45AQI
63AQI
70AQI
67AQI
50AQI
74AQI
69AQI
56AQI
62AQI
83AQI
73AQI
63AQI
54AQI
63AQI
50AQI
45AQI
27AQI
59AQI
62AQI
66AQI
106AQI
111AQI
118AQI
92AQI
82AQI
119AQI
118AQI
155AQI
155AQI
160AQI
139AQI
96AQI
102AQI
101AQI
117AQI
146AQI
129AQI
121AQI
113AQI
94AQI
85AQI
88AQI
115AQI
94AQI
128AQI
101AQI
78AQI
73AQI
59AQI
79AQI
85AQI
70AQI
71AQI
71AQI
94AQI
102AQI
70AQI
50AQI
48AQI
39AQI
57AQI
54AQI
72AQI
69AQI
61AQI
58AQI
63AQI
75AQI
87AQI
44AQI
62AQI
84AQI
99AQI
67AQI
73AQI
102AQI
84AQI
36AQI
73AQI
80AQI
58AQI
63AQI
52AQI
33AQI
28AQI
39AQI
45AQI
27AQI
49AQI
55AQI
50AQI
41AQI
29AQI
32AQI
44AQI
22AQI
18AQI
18AQI
32AQI
46AQI
42AQI
58AQI
58AQI
42AQI
36AQI
38AQI
39AQI
39AQI
42AQI
37AQI
42AQI
34AQI
31AQI
36AQI
45AQI
28AQI
37AQI
38AQI
39AQI
42AQI
49AQI
43AQI
28AQI
19AQI
20AQI
17AQI
17AQI
26AQI
29AQI
36AQI
24AQI
31AQI
29AQI
26AQI
32AQI
28AQI
18AQI
23AQI
29AQI
27AQI
32AQI
30AQI
32AQI
30AQI
24AQI
21AQI
21AQI
20AQI
29AQI
38AQI
39AQI
36AQI
41AQI
49AQI
43AQI
41AQI
42AQI
49AQI
38AQI
34AQI
32AQI
36AQI
34AQI
32AQI
29AQI
29AQI
25AQI
28AQI
27AQI
27AQI
28AQI
31AQI
34AQI
35AQI
36AQI
35AQI
29AQI
25AQI
23AQI
21AQI
21AQI
30AQI
29AQI
34AQI
36AQI
26AQI
27AQI
30AQI
35AQI
45AQI
22AQI
17AQI
24AQI
35AQI
54AQI
45AQI
31AQI
26AQI
26AQI
25AQI
26AQI
26AQI
54AQI
112AQI
70AQI
43AQI
31AQI
33AQI
30AQI
26AQI
No. of days
202552AQI
Highest AQI recorded in
February112AQI
Lowest AQI recorded in
August26AQI
202453AQI
Highest AQI recorded in
December75AQI
Lowest AQI recorded in
May40AQI
202359AQI
Highest AQI recorded in
February87AQI
Lowest AQI recorded in
July43AQI
202276AQI
Highest AQI recorded in
March106AQI
Lowest AQI recorded in
August30AQI
202170AQI
Highest AQI recorded in
December101AQI
Lowest AQI recorded in
August50AQI
202057AQI
Highest AQI recorded in
March101AQI
Lowest AQI recorded in
December13AQI
Most & Least Polluted Years Over the Last 6 Years
Ostrava Radvanice Zu's annual 2025 AQI (52) shows an average percentage change of -15.3% (improved AQI) compared to previous years: 2020 (57), 2021 (70), 2022 (76), 2023 (59), 2024 (53).