Brno, Jihomoravsky 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
Brno, Jihomoravsky Kraj, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (9th August):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 33 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 9th Aug - 10th Aug 2026
Brno, Jihomoravsky Kraj, Czechia
5 AM9th Aug 2026
8 PM
4 AM10th Aug 2026
43AQI
22AQI
65AQI
29AQI
In the last 24 hours,
Brno's AQI reached its highest point of 65 at 2 AM during the Night, while the lowest point, 22, was recorded at 7 AM during the Day between 9th Aug and 10th Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Brno, Jihomoravsky Kraj, Czechia
19°C12/25°C
21°C13/30°C
23°C14/32°C
21°C17/27°C
22°C15/31°C
22°C16/33°C
21°C15/28°C
19°C12/27°C
17°C9/25°C
16°C9/22°C
17°C10/23°C
16°C10/22°C
16°C8/22°C
18°C9/27°C
22°C12/32°C
21°C15/25°C
21°C13/28°C
23°C13/32°C
25°C17/36°C
28°C18/37°C
25°C17/34°C
22°C17/27°C
27°C17/37°C
29°C20/39°C
28°C20/38°C
26°C19/33°C
23°C17/29°C
21°C14/28°C
22°C13/32°C
23°C16/35°C
43AQI
29AQI
43AQI
32AQI
2026 Days Vs Air Quality
Brno, Jihomoravsky Kraj, Czechia
70%
153
25%
54
5%
11
Total number of days with different AQI categories in last 222 days in 2026 (143 days remaining)
Under WHO’s Safe Air Quality Limits: 70%
Health Risk Level:
Low
In 2026, 70% of 222 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
Brno, Jihomoravsky Kraj, Czechia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI (US)
31AQI (US)
36AQI (US)
49AQI (US)
66AQI (US)
74AQI (US)
86AQI (US)
80AQI (US)
81AQI (US)
111AQI (US)
47AQI (US)
47AQI (US)
74AQI (US)
105AQI (US)
138AQI (US)
100AQI (US)
64AQI (US)
62AQI (US)
81AQI (US)
75AQI (US)
70AQI (US)
112AQI (US)
146AQI (US)
134AQI (US)
106AQI (US)
54AQI (US)
51AQI (US)
58AQI (US)
71AQI (US)
62AQI (US)
63AQI (US)
86AQI (US)
101AQI (US)
77AQI (US)
61AQI (US)
104AQI (US)
80AQI (US)
47AQI (US)
56AQI (US)
63AQI (US)
61AQI (US)
43AQI (US)
32AQI (US)
22AQI (US)
34AQI (US)
20AQI (US)
29AQI (US)
55AQI (US)
29AQI (US)
63AQI (US)
70AQI (US)
94AQI (US)
104AQI (US)
37AQI (US)
16AQI (US)
45AQI (US)
54AQI (US)
68AQI (US)
73AQI (US)
76AQI (US)
36AQI (US)
74AQI (US)
106AQI (US)
82AQI (US)
67AQI (US)
83AQI (US)
82AQI (US)
71AQI (US)
62AQI (US)
84AQI (US)
64AQI (US)
42AQI (US)
44AQI (US)
44AQI (US)
41AQI (US)
23AQI (US)
69AQI (US)
50AQI (US)
81AQI (US)
58AQI (US)
50AQI (US)
58AQI (US)
62AQI (US)
62AQI (US)
19AQI (US)
27AQI (US)
21AQI (US)
27AQI (US)
32AQI (US)
26AQI (US)
31AQI (US)
31AQI (US)
42AQI (US)
38AQI (US)
17AQI (US)
17AQI (US)
26AQI (US)
23AQI (US)
28AQI (US)
52AQI (US)
57AQI (US)
67AQI (US)
37AQI (US)
40AQI (US)
64AQI (US)
70AQI (US)
33AQI (US)
41AQI (US)
12AQI (US)
19AQI (US)
18AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
19AQI (US)
24AQI (US)
23AQI (US)
23AQI (US)
42AQI (US)
25AQI (US)
31AQI (US)
29AQI (US)
32AQI (US)
30AQI (US)
18AQI (US)
19AQI (US)
37AQI (US)
26AQI (US)
17AQI (US)
21AQI (US)
23AQI (US)
27AQI (US)
38AQI (US)
45AQI (US)
30AQI (US)
33AQI (US)
35AQI (US)
48AQI (US)
36AQI (US)
35AQI (US)
45AQI (US)
49AQI (US)
42AQI (US)
45AQI (US)
21AQI (US)
19AQI (US)
22AQI (US)
24AQI (US)
20AQI (US)
29AQI (US)
26AQI (US)
18AQI (US)
16AQI (US)
21AQI (US)
19AQI (US)
22AQI (US)
24AQI (US)
18AQI (US)
16AQI (US)
21AQI (US)
18AQI (US)
20AQI (US)
19AQI (US)
26AQI (US)
31AQI (US)
31AQI (US)
28AQI (US)
36AQI (US)
22AQI (US)
34AQI (US)
18AQI (US)
18AQI (US)
21AQI (US)
45AQI (US)
42AQI (US)
49AQI (US)
57AQI (US)
43AQI (US)
27AQI (US)
17AQI (US)
26AQI (US)
20AQI (US)
14AQI (US)
15AQI (US)
17AQI (US)
17AQI (US)
21AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
29AQI (US)
33AQI (US)
33AQI (US)
40AQI (US)
33AQI (US)
38AQI (US)
32AQI (US)
33AQI (US)
36AQI (US)
40AQI (US)
38AQI (US)
36AQI (US)
34AQI (US)
43AQI (US)
28AQI (US)
34AQI (US)
41AQI (US)
46AQI (US)
46AQI (US)
41AQI (US)
39AQI (US)
45AQI (US)
49AQI (US)
49AQI (US)
34AQI (US)
37AQI (US)
33AQI (US)
76AQI (US)
58AQI (US)
56AQI (US)
33AQI (US)
31AQI (US)
27AQI (US)
30AQI (US)
41AQI (US)
No. of days
202644AQI (US)
Highest AQI (US) recorded in
January76AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202549AQI (US)
Highest AQI (US) recorded in
February89AQI (US)
Lowest AQI (US) recorded in
September28AQI (US)
202451AQI (US)
Highest AQI (US) recorded in
January66AQI (US)
Lowest AQI (US) recorded in
July38AQI (US)
202344AQI (US)
Highest AQI (US) recorded in
December64AQI (US)
Lowest AQI (US) recorded in
July35AQI (US)
202253AQI (US)
Highest AQI (US) recorded in
March79AQI (US)
Lowest AQI (US) recorded in
August36AQI (US)
202152AQI (US)
Highest AQI (US) recorded in
February83AQI (US)
Lowest AQI (US) recorded in
August35AQI (US)
202047AQI (US)
Highest AQI (US) recorded in
December91AQI (US)
Lowest AQI (US) recorded in
July36AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Brno's annual 2026 AQI (US) (44) shows an average percentage change of -10.4% (improved AQI (US)) compared to previous years: 2020 (47), 2021 (52), 2022 (53), 2023 (44), 2024 (51), 2025 (49).