Prague, Praha, 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
Prague, Praha, Czechia
AQI Trends: Highest and Lowest
Same Day Analysis (29th September):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 45 of Good air quality on the same day.
Day & Night AQI Trend: 28th Sep - 29th Sep 2026
Prague, Praha, Czechia
6 AM28th Sep 2026
7 PM
5 AM29th Sep 2026
61AQI
27AQI
50AQI
35AQI
In the last 24 hours,
Prague's AQI reached its highest point of 61 at 1 PM during the Day, while the lowest point, 27, was recorded at 8 AM during the Day between 28th Sep and 29th Sep 2026.
Day & Night AQI Trend : Aug - Sep 2026
Prague, Praha, Czechia
20°C16/24°C
18°C13/22°C
20°C16/24°C
19°C16/23°C
21°C15/27°C
18°C13/22°C
16°C11/20°C
18°C13/23°C
23°C17/30°C
19°C13/23°C
14°C11/18°C
15°C12/20°C
17°C14/20°C
15°C14/17°C
16°C14/19°C
18°C13/23°C
19°C15/25°C
16°C13/20°C
16°C13/20°C
17°C13/21°C
17°C13/21°C
12°C8/15°C
11°C8/14°C
14°C10/17°C
12°C10/14°C
13°C9/17°C
15°C10/21°C
16°C12/21°C
16°C12/22°C
17°C12/22°C
46AQI
36AQI
42AQI
36AQI
2026 Days Vs Air Quality
Prague, Praha, Czechia
78%
210
20%
53
2%
6
Total number of days with different AQI categories in last 272 days in 2026 (93 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2026, 78% of 272 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
Prague, Praha, Czechia
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI (US)
19AQI (US)
26AQI (US)
28AQI (US)
42AQI (US)
56AQI (US)
75AQI (US)
91AQI (US)
82AQI (US)
83AQI (US)
41AQI (US)
43AQI (US)
116AQI (US)
83AQI (US)
86AQI (US)
74AQI (US)
64AQI (US)
49AQI (US)
48AQI (US)
71AQI (US)
84AQI (US)
108AQI (US)
94AQI (US)
128AQI (US)
139AQI (US)
45AQI (US)
32AQI (US)
72AQI (US)
73AQI (US)
75AQI (US)
75AQI (US)
80AQI (US)
99AQI (US)
67AQI (US)
55AQI (US)
59AQI (US)
55AQI (US)
50AQI (US)
47AQI (US)
59AQI (US)
50AQI (US)
34AQI (US)
14AQI (US)
24AQI (US)
40AQI (US)
21AQI (US)
35AQI (US)
57AQI (US)
18AQI (US)
49AQI (US)
69AQI (US)
41AQI (US)
15AQI (US)
19AQI (US)
26AQI (US)
46AQI (US)
55AQI (US)
72AQI (US)
59AQI (US)
58AQI (US)
44AQI (US)
45AQI (US)
84AQI (US)
103AQI (US)
101AQI (US)
80AQI (US)
83AQI (US)
80AQI (US)
74AQI (US)
71AQI (US)
30AQI (US)
30AQI (US)
43AQI (US)
28AQI (US)
26AQI (US)
25AQI (US)
52AQI (US)
83AQI (US)
87AQI (US)
54AQI (US)
47AQI (US)
62AQI (US)
64AQI (US)
41AQI (US)
20AQI (US)
23AQI (US)
27AQI (US)
28AQI (US)
20AQI (US)
26AQI (US)
32AQI (US)
32AQI (US)
45AQI (US)
20AQI (US)
19AQI (US)
23AQI (US)
27AQI (US)
29AQI (US)
30AQI (US)
30AQI (US)
47AQI (US)
55AQI (US)
48AQI (US)
45AQI (US)
51AQI (US)
60AQI (US)
48AQI (US)
37AQI (US)
16AQI (US)
23AQI (US)
23AQI (US)
34AQI (US)
32AQI (US)
32AQI (US)
31AQI (US)
39AQI (US)
35AQI (US)
39AQI (US)
57AQI (US)
39AQI (US)
39AQI (US)
47AQI (US)
50AQI (US)
27AQI (US)
22AQI (US)
16AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
26AQI (US)
21AQI (US)
28AQI (US)
38AQI (US)
43AQI (US)
31AQI (US)
32AQI (US)
33AQI (US)
40AQI (US)
36AQI (US)
35AQI (US)
47AQI (US)
48AQI (US)
46AQI (US)
57AQI (US)
27AQI (US)
25AQI (US)
38AQI (US)
24AQI (US)
16AQI (US)
28AQI (US)
18AQI (US)
13AQI (US)
13AQI (US)
13AQI (US)
11AQI (US)
14AQI (US)
19AQI (US)
12AQI (US)
10AQI (US)
11AQI (US)
11AQI (US)
12AQI (US)
13AQI (US)
14AQI (US)
28AQI (US)
31AQI (US)
25AQI (US)
38AQI (US)
41AQI (US)
46AQI (US)
36AQI (US)
36AQI (US)
42AQI (US)
57AQI (US)
51AQI (US)
49AQI (US)
57AQI (US)
40AQI (US)
43AQI (US)
20AQI (US)
18AQI (US)
17AQI (US)
14AQI (US)
13AQI (US)
20AQI (US)
19AQI (US)
15AQI (US)
16AQI (US)
21AQI (US)
22AQI (US)
28AQI (US)
36AQI (US)
35AQI (US)
26AQI (US)
36AQI (US)
38AQI (US)
44AQI (US)
34AQI (US)
39AQI (US)
33AQI (US)
32AQI (US)
37AQI (US)
43AQI (US)
42AQI (US)
38AQI (US)
28AQI (US)
40AQI (US)
45AQI (US)
64AQI (US)
59AQI (US)
32AQI (US)
43AQI (US)
58AQI (US)
46AQI (US)
44AQI (US)
40AQI (US)
38AQI (US)
38AQI (US)
50AQI (US)
45AQI (US)
39AQI (US)
38AQI (US)
38AQI (US)
47AQI (US)
52AQI (US)
38AQI (US)
30AQI (US)
37AQI (US)
40AQI (US)
42AQI (US)
38AQI (US)
38AQI (US)
42AQI (US)
40AQI (US)
43AQI (US)
46AQI (US)
47AQI (US)
31AQI (US)
31AQI (US)
42AQI (US)
39AQI (US)
44AQI (US)
37AQI (US)
39AQI (US)
38AQI (US)
40AQI (US)
45AQI (US)
35AQI (US)
45AQI (US)
37AQI (US)
40AQI (US)
43AQI (US)
37AQI (US)
37AQI (US)
42AQI (US)
39AQI (US)
32AQI (US)
35AQI (US)
38AQI (US)
35AQI (US)
40AQI (US)
39AQI (US)
45AQI (US)
37AQI (US)
41AQI (US)
43AQI (US)
48AQI (US)
39AQI (US)
45AQI (US)
69AQI (US)
47AQI (US)
53AQI (US)
35AQI (US)
35AQI (US)
27AQI (US)
31AQI (US)
42AQI (US)
40AQI (US)
No. of days
202642AQI (US)
Highest AQI (US) recorded in
January69AQI (US)
Lowest AQI (US) recorded in
June27AQI (US)
202549AQI (US)
Highest AQI (US) recorded in
February82AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202442AQI (US)
Highest AQI (US) recorded in
November55AQI (US)
Lowest AQI (US) recorded in
February36AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
February42AQI (US)
Lowest AQI (US) recorded in
November28AQI (US)
202241AQI (US)
Highest AQI (US) recorded in
March54AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202137AQI (US)
Highest AQI (US) recorded in
February42AQI (US)
Lowest AQI (US) recorded in
May32AQI (US)
202033AQI (US)
Highest AQI (US) recorded in
December51AQI (US)
Lowest AQI (US) recorded in
October25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Prague's annual 2026 AQI (US) (42) shows an average percentage change of 7.6% (worsened AQI (US)) compared to previous years: 2020 (33), 2021 (37), 2022 (41), 2023 (36), 2024 (42), 2025 (49).