Ostrava Fifejdy, Ostrava, 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 Fifejdy, Ostrava, Moravskoslezsky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 23 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: 31st Jul - 1st Aug 2025
Ostrava Fifejdy, Ostrava, Moravskoslezsky Kraj, Czechia
4 AM31st Jul 2025
8 PM
3 AM1st Aug 2025
AQI
AQI
30AQI
18AQI
In the last 24 hours,
Ostrava Fifejdy's AQI reached its highest point of 30 at 4 PM during the Night, while the lowest point, undefined, was recorded at 3 AM during the Night between 31st Jul and 1st Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Ostrava Fifejdy, Ostrava, Moravskoslezsky Kraj, Czechia
22°C14/30°C
24°C17/31°C
17°C14/23°C
19°C12/26°C
23°C16/30°C
17°C14/18°C
15°C12/20°C
14°C12/17°C
15°C12/21°C
15°C12/20°C
16°C12/20°C
20°C14/27°C
21°C15/27°C
21°C16/27°C
18°C14/24°C
16°C12/21°C
16°C13/21°C
19°C13/24°C
22°C15/28°C
24°C17/31°C
20°C15/25°C
20°C14/26°C
21°C15/27°C
20°C17/24°C
19°C16/24°C
17°C16/18°C
17°C15/20°C
17°C13/21°C
17°C12/23°C
--°C/°C
--°C/°C
36AQI
31AQI
33AQI
31AQI
2025 Days Vs Air Quality
Ostrava Fifejdy, Ostrava, Moravskoslezsky Kraj, Czechia
58%
123
31%
65
10%
21
1%
3
Total number of days with different AQI categories in last 212 days in 2025 (153 days remaining)
Under WHO’s Safe Air Quality Limits: 58%
Health Risk Level:
Considerable
In 2025, 58% of 212 days were within WHO’s safe air quality limits, and 42% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Ostrava Fifejdy, Ostrava, Moravskoslezsky Kraj, Czechia
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
77AQI
62AQI
44AQI
34AQI
119AQI
53AQI
54AQI
29AQI
36AQI
23AQI
22AQI
23AQI
43AQI
65AQI
71AQI
62AQI
54AQI
79AQI
72AQI
61AQI
69AQI
80AQI
68AQI
70AQI
55AQI
69AQI
59AQI
57AQI
28AQI
65AQI
70AQI
60AQI
89AQI
103AQI
117AQI
91AQI
80AQI
120AQI
122AQI
156AQI
156AQI
154AQI
141AQI
90AQI
103AQI
85AQI
106AQI
136AQI
119AQI
124AQI
120AQI
106AQI
78AQI
92AQI
124AQI
113AQI
133AQI
111AQI
80AQI
70AQI
57AQI
78AQI
97AQI
81AQI
89AQI
87AQI
106AQI
122AQI
95AQI
55AQI
51AQI
41AQI
58AQI
58AQI
71AQI
62AQI
54AQI
61AQI
72AQI
78AQI
98AQI
45AQI
62AQI
85AQI
101AQI
65AQI
78AQI
101AQI
85AQI
34AQI
71AQI
76AQI
55AQI
63AQI
51AQI
30AQI
26AQI
39AQI
44AQI
27AQI
51AQI
55AQI
57AQI
47AQI
34AQI
33AQI
45AQI
23AQI
19AQI
26AQI
37AQI
45AQI
40AQI
63AQI
55AQI
42AQI
36AQI
39AQI
40AQI
42AQI
44AQI
42AQI
42AQI
35AQI
29AQI
38AQI
43AQI
27AQI
35AQI
35AQI
37AQI
41AQI
50AQI
41AQI
30AQI
20AQI
21AQI
16AQI
17AQI
26AQI
33AQI
37AQI
21AQI
29AQI
29AQI
26AQI
27AQI
29AQI
19AQI
25AQI
32AQI
30AQI
32AQI
34AQI
37AQI
31AQI
26AQI
20AQI
21AQI
21AQI
31AQI
39AQI
42AQI
35AQI
42AQI
49AQI
46AQI
42AQI
44AQI
50AQI
39AQI
33AQI
28AQI
38AQI
35AQI
33AQI
31AQI
30AQI
27AQI
29AQI
28AQI
27AQI
30AQI
46AQI
41AQI
37AQI
38AQI
35AQI
33AQI
28AQI
23AQI
22AQI
25AQI
29AQI
30AQI
35AQI
36AQI
25AQI
30AQI
34AQI
39AQI
49AQI
23AQI
17AQI
23AQI
34AQI
54AQI
45AQI
33AQI
28AQI
27AQI
23AQI
57AQI
111AQI
74AQI
44AQI
31AQI
34AQI
32AQI
No. of days
202554AQI
Highest AQI recorded in
February111AQI
Lowest AQI recorded in
May31AQI
202456AQI
Highest AQI recorded in
December77AQI
Lowest AQI recorded in
July44AQI
202357AQI
Highest AQI recorded in
February71AQI
Lowest AQI recorded in
November46AQI
202269AQI
Highest AQI recorded in
March110AQI
Lowest AQI recorded in
August31AQI
202161AQI
Highest AQI recorded in
December84AQI
Lowest AQI recorded in
August40AQI
202056AQI
Highest AQI recorded in
December131AQI
Lowest AQI recorded in
July42AQI
Most & Least Polluted Years Over the Last 6 Years
Ostrava Fifejdy's annual 2025 AQI (54) shows an average percentage change of -8.6% (improved AQI) compared to previous years: 2020 (56), 2021 (61), 2022 (69), 2023 (57), 2024 (56).