Ostrava Radvanice Ozo, Petrvald, Moravskoslezsky Kraj, Czechia Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Ostrava Radvanice Ozo, Petrvald, Moravskoslezsky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (16th July):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 56 of Moderate air quality on the same day.
Day & Night AQI Trend: 15th Jul - 16th Jul 2026
Ostrava Radvanice Ozo, Petrvald, Moravskoslezsky Kraj, Czechia
4 AM15th Jul 2026
8 PM
3 AM16th Jul 2026
51AQI
31AQI
58AQI
42AQI
In the last 24 hours,
Ostrava Radvanice Ozo's AQI reached its highest point of 58 at 11 PM during the Night, while the lowest point, 31, was recorded at 7 PM during the Day between 15th Jul and 16th Jul 2026.
Day & Night AQI Trend : Jun - Jul 2026
Ostrava Radvanice Ozo, Petrvald, Moravskoslezsky Kraj, Czechia
17°C14/21°C
19°C13/25°C
23°C16/29°C
23°C18/31°C
23°C18/28°C
21°C17/26°C
20°C15/25°C
20°C13/26°C
23°C15/30°C
25°C19/31°C
26°C18/34°C
29°C22/36°C
27°C18/36°C
25°C19/32°C
23°C18/31°C
19°C15/25°C
18°C13/22°C
16°C11/22°C
16°C13/21°C
17°C12/21°C
19°C15/25°C
17°C13/21°C
16°C12/20°C
18°C12/23°C
18°C13/23°C
16°C14/20°C
19°C13/25°C
22°C15/28°C
19°C17/24°C
22°C15/29°C
39AQI
30AQI
42AQI
39AQI
2026 Days Vs Air Quality
Ostrava Radvanice Ozo, Petrvald, Moravskoslezsky Kraj, Czechia
56%
108
31%
60
10%
20
3%
6
Total number of days with different AQI categories in last 197 days in 2026 (168 days remaining)
Under WHO’s Safe Air Quality Limits: 56%
Health Risk Level:
Considerable
In 2026, 56% of 197 days were within WHO’s safe air quality limits, and 44% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Ostrava Radvanice Ozo, Petrvald, Moravskoslezsky Kraj, Czechia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
32AQI (US)
21AQI (US)
26AQI (US)
30AQI (US)
62AQI (US)
108AQI (US)
138AQI (US)
124AQI (US)
129AQI (US)
142AQI (US)
53AQI (US)
42AQI (US)
57AQI (US)
76AQI (US)
88AQI (US)
100AQI (US)
81AQI (US)
123AQI (US)
140AQI (US)
75AQI (US)
72AQI (US)
144AQI (US)
171AQI (US)
166AQI (US)
151AQI (US)
101AQI (US)
63AQI (US)
131AQI (US)
101AQI (US)
57AQI (US)
81AQI (US)
82AQI (US)
106AQI (US)
128AQI (US)
154AQI (US)
152AQI (US)
151AQI (US)
147AQI (US)
93AQI (US)
85AQI (US)
87AQI (US)
32AQI (US)
21AQI (US)
20AQI (US)
62AQI (US)
48AQI (US)
82AQI (US)
68AQI (US)
56AQI (US)
121AQI (US)
91AQI (US)
84AQI (US)
52AQI (US)
18AQI (US)
23AQI (US)
36AQI (US)
57AQI (US)
50AQI (US)
66AQI (US)
62AQI (US)
51AQI (US)
86AQI (US)
96AQI (US)
78AQI (US)
103AQI (US)
104AQI (US)
124AQI (US)
100AQI (US)
86AQI (US)
72AQI (US)
71AQI (US)
66AQI (US)
44AQI (US)
56AQI (US)
55AQI (US)
45AQI (US)
77AQI (US)
100AQI (US)
108AQI (US)
61AQI (US)
71AQI (US)
78AQI (US)
81AQI (US)
71AQI (US)
26AQI (US)
30AQI (US)
39AQI (US)
43AQI (US)
26AQI (US)
38AQI (US)
38AQI (US)
53AQI (US)
54AQI (US)
51AQI (US)
25AQI (US)
15AQI (US)
25AQI (US)
26AQI (US)
43AQI (US)
76AQI (US)
78AQI (US)
103AQI (US)
60AQI (US)
59AQI (US)
81AQI (US)
88AQI (US)
46AQI (US)
53AQI (US)
19AQI (US)
42AQI (US)
34AQI (US)
35AQI (US)
40AQI (US)
30AQI (US)
34AQI (US)
48AQI (US)
42AQI (US)
40AQI (US)
39AQI (US)
44AQI (US)
38AQI (US)
26AQI (US)
33AQI (US)
29AQI (US)
25AQI (US)
45AQI (US)
49AQI (US)
25AQI (US)
16AQI (US)
20AQI (US)
23AQI (US)
26AQI (US)
38AQI (US)
46AQI (US)
31AQI (US)
33AQI (US)
36AQI (US)
50AQI (US)
39AQI (US)
34AQI (US)
46AQI (US)
47AQI (US)
42AQI (US)
43AQI (US)
23AQI (US)
28AQI (US)
30AQI (US)
25AQI (US)
39AQI (US)
37AQI (US)
38AQI (US)
13AQI (US)
23AQI (US)
22AQI (US)
29AQI (US)
19AQI (US)
28AQI (US)
21AQI (US)
13AQI (US)
22AQI (US)
18AQI (US)
19AQI (US)
19AQI (US)
23AQI (US)
33AQI (US)
38AQI (US)
37AQI (US)
46AQI (US)
36AQI (US)
32AQI (US)
24AQI (US)
26AQI (US)
31AQI (US)
50AQI (US)
57AQI (US)
63AQI (US)
60AQI (US)
55AQI (US)
56AQI (US)
17AQI (US)
23AQI (US)
20AQI (US)
21AQI (US)
23AQI (US)
26AQI (US)
25AQI (US)
23AQI (US)
28AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
42AQI (US)
42AQI (US)
56AQI (US)
93AQI (US)
78AQI (US)
69AQI (US)
48AQI (US)
34AQI (US)
32AQI (US)
30AQI (US)
No. of days
202657AQI (US)
Highest AQI (US) recorded in
January93AQI (US)
Lowest AQI (US) recorded in
July30AQI (US)
202555AQI (US)
Highest AQI (US) recorded in
February116AQI (US)
Lowest AQI (US) recorded in
July31AQI (US)
202455AQI (US)
Highest AQI (US) recorded in
December77AQI (US)
Lowest AQI (US) recorded in
May42AQI (US)
202359AQI (US)
Highest AQI (US) recorded in
February87AQI (US)
Lowest AQI (US) recorded in
July44AQI (US)
202276AQI (US)
Highest AQI (US) recorded in
March107AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202171AQI (US)
Highest AQI (US) recorded in
December101AQI (US)
Lowest AQI (US) recorded in
August50AQI (US)
202059AQI (US)
Highest AQI (US) recorded in
March98AQI (US)
Lowest AQI (US) recorded in
July46AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Ostrava Radvanice Ozo's annual 2026 AQI (US) (57) shows an average percentage change of -7.3% (improved AQI (US)) compared to previous years: 2020 (59), 2021 (71), 2022 (76), 2023 (59), 2024 (55), 2025 (55).